| Index: packages/analyzer/test/generated/resolver_test.dart
|
| diff --git a/packages/analyzer/test/generated/resolver_test.dart b/packages/analyzer/test/generated/resolver_test.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..13391621d600e696f99fcba19c1de5047d8cae25
|
| --- /dev/null
|
| +++ b/packages/analyzer/test/generated/resolver_test.dart
|
| @@ -0,0 +1,14862 @@
|
| +// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
|
| +// for details. All rights reserved. Use of this source code is governed by a
|
| +// BSD-style license that can be found in the LICENSE file.
|
| +
|
| +library engine.resolver_test;
|
| +
|
| +import 'dart:collection';
|
| +
|
| +import 'package:analyzer/src/context/context.dart' as newContext;
|
| +import 'package:analyzer/src/generated/ast.dart';
|
| +import 'package:analyzer/src/generated/element.dart';
|
| +import 'package:analyzer/src/generated/element_resolver.dart';
|
| +import 'package:analyzer/src/generated/engine.dart';
|
| +import 'package:analyzer/src/generated/error.dart';
|
| +import 'package:analyzer/src/generated/java_core.dart';
|
| +import 'package:analyzer/src/generated/java_engine.dart';
|
| +import 'package:analyzer/src/generated/java_engine_io.dart';
|
| +import 'package:analyzer/src/generated/java_io.dart';
|
| +import 'package:analyzer/src/generated/parser.dart' show ParserErrorCode;
|
| +import 'package:analyzer/src/generated/resolver.dart';
|
| +import 'package:analyzer/src/generated/scanner.dart';
|
| +import 'package:analyzer/src/generated/sdk.dart';
|
| +import 'package:analyzer/src/generated/sdk_io.dart' show DirectoryBasedDartSdk;
|
| +import 'package:analyzer/src/generated/source_io.dart';
|
| +import 'package:analyzer/src/generated/static_type_analyzer.dart';
|
| +import 'package:analyzer/src/generated/testing/ast_factory.dart';
|
| +import 'package:analyzer/src/generated/testing/element_factory.dart';
|
| +import 'package:analyzer/src/generated/testing/test_type_provider.dart';
|
| +import 'package:analyzer/src/generated/testing/token_factory.dart';
|
| +import 'package:analyzer/src/generated/utilities_dart.dart';
|
| +import 'package:unittest/unittest.dart';
|
| +
|
| +import '../reflective_tests.dart';
|
| +import '../utils.dart';
|
| +import 'test_support.dart';
|
| +
|
| +main() {
|
| + initializeTestEnvironment();
|
| + runReflectiveTests(AnalysisDeltaTest);
|
| + runReflectiveTests(ChangeSetTest);
|
| + runReflectiveTests(EnclosedScopeTest);
|
| + runReflectiveTests(LibraryImportScopeTest);
|
| + runReflectiveTests(LibraryScopeTest);
|
| + runReflectiveTests(ScopeTest);
|
| + runReflectiveTests(ElementResolverTest);
|
| + runReflectiveTests(InheritanceManagerTest);
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + runReflectiveTests(LibraryElementBuilderTest);
|
| + }
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + runReflectiveTests(LibraryResolver2Test);
|
| + }
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + runReflectiveTests(LibraryResolverTest);
|
| + }
|
| + runReflectiveTests(LibraryTest);
|
| + runReflectiveTests(StaticTypeAnalyzerTest);
|
| + runReflectiveTests(StaticTypeAnalyzer2Test);
|
| + runReflectiveTests(SubtypeManagerTest);
|
| + runReflectiveTests(TypeOverrideManagerTest);
|
| + runReflectiveTests(TypeProviderImplTest);
|
| + runReflectiveTests(TypeResolverVisitorTest);
|
| + runReflectiveTests(CheckedModeCompileTimeErrorCodeTest);
|
| + runReflectiveTests(ErrorResolverTest);
|
| + runReflectiveTests(HintCodeTest);
|
| + runReflectiveTests(MemberMapTest);
|
| + runReflectiveTests(NonHintCodeTest);
|
| + runReflectiveTests(SimpleResolverTest);
|
| + runReflectiveTests(StrictModeTest);
|
| + runReflectiveTests(TypePropagationTest);
|
| + runReflectiveTests(StrongModeStaticTypeAnalyzer2Test);
|
| + runReflectiveTests(StrongModeTypePropagationTest);
|
| +}
|
| +
|
| +/**
|
| + * The class `AnalysisContextFactory` defines utility methods used to create analysis contexts
|
| + * for testing purposes.
|
| + */
|
| +class AnalysisContextFactory {
|
| + static String _DART_MATH = "dart:math";
|
| +
|
| + static String _DART_INTERCEPTORS = "dart:_interceptors";
|
| +
|
| + static String _DART_JS_HELPER = "dart:_js_helper";
|
| +
|
| + /**
|
| + * Create an analysis context that has a fake core library already resolved.
|
| + * Return the context that was created.
|
| + */
|
| + static InternalAnalysisContext contextWithCore() {
|
| + if (AnalysisEngine.instance.useTaskModel) {
|
| + NewAnalysisContextForTests context = new NewAnalysisContextForTests();
|
| + return initContextWithCore(context);
|
| + }
|
| + AnalysisContextForTests context = new AnalysisContextForTests();
|
| + return initContextWithCore(context);
|
| + }
|
| +
|
| + /**
|
| + * Create an analysis context that uses the given [options] and has a fake
|
| + * core library already resolved. Return the context that was created.
|
| + */
|
| + static InternalAnalysisContext contextWithCoreAndOptions(
|
| + AnalysisOptions options) {
|
| + if (AnalysisEngine.instance.useTaskModel) {
|
| + NewAnalysisContextForTests context = new NewAnalysisContextForTests();
|
| + context._internalSetAnalysisOptions(options);
|
| + return initContextWithCore(context);
|
| + }
|
| + AnalysisContextForTests context = new AnalysisContextForTests();
|
| + context._internalSetAnalysisOptions(options);
|
| + return initContextWithCore(context);
|
| + }
|
| +
|
| + /**
|
| + * Initialize the given analysis context with a fake core library already resolved.
|
| + *
|
| + * @param context the context to be initialized (not `null`)
|
| + * @return the analysis context that was created
|
| + */
|
| + static InternalAnalysisContext initContextWithCore(
|
| + InternalAnalysisContext context) {
|
| + DirectoryBasedDartSdk sdk = new _AnalysisContextFactory_initContextWithCore(
|
| + new JavaFile("/fake/sdk"));
|
| + SourceFactory sourceFactory =
|
| + new SourceFactory([new DartUriResolver(sdk), new FileUriResolver()]);
|
| + context.sourceFactory = sourceFactory;
|
| + AnalysisContext coreContext = sdk.context;
|
| + //
|
| + // dart:core
|
| + //
|
| + TestTypeProvider provider = new TestTypeProvider();
|
| + CompilationUnitElementImpl coreUnit =
|
| + new CompilationUnitElementImpl("core.dart");
|
| + Source coreSource = sourceFactory.forUri(DartSdk.DART_CORE);
|
| + coreContext.setContents(coreSource, "");
|
| + coreUnit.librarySource = coreUnit.source = coreSource;
|
| + ClassElementImpl proxyClassElement = ElementFactory.classElement2("_Proxy");
|
| + ClassElement objectClassElement = provider.objectType.element;
|
| + coreUnit.types = <ClassElement>[
|
| + provider.boolType.element,
|
| + provider.deprecatedType.element,
|
| + provider.doubleType.element,
|
| + provider.functionType.element,
|
| + provider.intType.element,
|
| + provider.iterableType.element,
|
| + provider.iteratorType.element,
|
| + provider.listType.element,
|
| + provider.mapType.element,
|
| + provider.nullType.element,
|
| + provider.numType.element,
|
| + objectClassElement,
|
| + proxyClassElement,
|
| + provider.stackTraceType.element,
|
| + provider.stringType.element,
|
| + provider.symbolType.element,
|
| + provider.typeType.element
|
| + ];
|
| + coreUnit.functions = <FunctionElement>[
|
| + ElementFactory.functionElement3("identical", provider.boolType.element,
|
| + <ClassElement>[objectClassElement, objectClassElement], null),
|
| + ElementFactory.functionElement3("print", VoidTypeImpl.instance.element,
|
| + <ClassElement>[objectClassElement], null)
|
| + ];
|
| + TopLevelVariableElement proxyTopLevelVariableElt = ElementFactory
|
| + .topLevelVariableElement3("proxy", true, false, proxyClassElement.type);
|
| + ConstTopLevelVariableElementImpl deprecatedTopLevelVariableElt =
|
| + ElementFactory.topLevelVariableElement3(
|
| + "deprecated", true, false, provider.deprecatedType);
|
| + deprecatedTopLevelVariableElt.constantInitializer = AstFactory
|
| + .instanceCreationExpression2(
|
| + Keyword.CONST,
|
| + AstFactory.typeName(provider.deprecatedType.element),
|
| + [AstFactory.string2('next release')]);
|
| + coreUnit.accessors = <PropertyAccessorElement>[
|
| + proxyTopLevelVariableElt.getter,
|
| + deprecatedTopLevelVariableElt.getter
|
| + ];
|
| + coreUnit.topLevelVariables = <TopLevelVariableElement>[
|
| + proxyTopLevelVariableElt,
|
| + deprecatedTopLevelVariableElt
|
| + ];
|
| + LibraryElementImpl coreLibrary = new LibraryElementImpl.forNode(
|
| + coreContext, AstFactory.libraryIdentifier2(["dart", "core"]));
|
| + coreLibrary.definingCompilationUnit = coreUnit;
|
| + //
|
| + // dart:async
|
| + //
|
| + CompilationUnitElementImpl asyncUnit =
|
| + new CompilationUnitElementImpl("async.dart");
|
| + Source asyncSource = sourceFactory.forUri(DartSdk.DART_ASYNC);
|
| + coreContext.setContents(asyncSource, "");
|
| + asyncUnit.librarySource = asyncUnit.source = asyncSource;
|
| + // Future
|
| + ClassElementImpl futureElement =
|
| + ElementFactory.classElement2("Future", ["T"]);
|
| + // factory Future.value([value])
|
| + ConstructorElementImpl futureConstructor =
|
| + ElementFactory.constructorElement2(futureElement, "value");
|
| + futureConstructor.parameters = <ParameterElement>[
|
| + ElementFactory.positionalParameter2("value", provider.dynamicType)
|
| + ];
|
| + futureConstructor.factory = true;
|
| + (futureConstructor.type as FunctionTypeImpl).typeArguments =
|
| + futureElement.type.typeArguments;
|
| + futureElement.constructors = <ConstructorElement>[futureConstructor];
|
| + // Future then(onValue(T value), { Function onError });
|
| + List<ParameterElement> parameters = <ParameterElement>[
|
| + ElementFactory.requiredParameter2(
|
| + "value", futureElement.typeParameters[0].type)
|
| + ];
|
| + FunctionTypeAliasElementImpl aliasElement =
|
| + new FunctionTypeAliasElementImpl.forNode(null);
|
| + aliasElement.synthetic = true;
|
| + aliasElement.parameters = parameters;
|
| + aliasElement.returnType = provider.dynamicType;
|
| + aliasElement.enclosingElement = asyncUnit;
|
| + FunctionTypeImpl aliasType = new FunctionTypeImpl.forTypedef(aliasElement);
|
| + aliasElement.shareTypeParameters(futureElement.typeParameters);
|
| + aliasType.typeArguments = futureElement.type.typeArguments;
|
| + DartType futureDynamicType =
|
| + futureElement.type.substitute4([provider.dynamicType]);
|
| + MethodElement thenMethod = ElementFactory.methodElementWithParameters(
|
| + "then", futureElement.type.typeArguments, futureDynamicType, [
|
| + ElementFactory.requiredParameter2("onValue", aliasType),
|
| + ElementFactory.namedParameter2("onError", provider.functionType)
|
| + ]);
|
| + futureElement.methods = <MethodElement>[thenMethod];
|
| + // Completer
|
| + ClassElementImpl completerElement =
|
| + ElementFactory.classElement2("Completer", ["T"]);
|
| + ConstructorElementImpl completerConstructor =
|
| + ElementFactory.constructorElement2(completerElement, null);
|
| + (completerConstructor.type as FunctionTypeImpl).typeArguments =
|
| + completerElement.type.typeArguments;
|
| + completerElement.constructors = <ConstructorElement>[completerConstructor];
|
| + // StreamSubscription
|
| + ClassElementImpl streamSubscriptionElement =
|
| + ElementFactory.classElement2("StreamSubscription", ["T"]);
|
| + // Stream
|
| + ClassElementImpl streamElement =
|
| + ElementFactory.classElement2("Stream", ["T"]);
|
| + streamElement.constructors = <ConstructorElement>[
|
| + ElementFactory.constructorElement2(streamElement, null)
|
| + ];
|
| + DartType returnType = streamSubscriptionElement.type
|
| + .substitute4(streamElement.type.typeArguments);
|
| + List<DartType> parameterTypes = <DartType>[
|
| + ElementFactory
|
| + .functionElement3('onData', VoidTypeImpl.instance.element,
|
| + <TypeDefiningElement>[streamElement.typeParameters[0]], null)
|
| + .type,
|
| + ];
|
| + // TODO(brianwilkerson) This is missing the optional parameters.
|
| + MethodElementImpl listenMethod =
|
| + ElementFactory.methodElement('listen', returnType, parameterTypes);
|
| + streamElement.methods = <MethodElement>[listenMethod];
|
| +
|
| + asyncUnit.types = <ClassElement>[
|
| + completerElement,
|
| + futureElement,
|
| + streamElement
|
| + ];
|
| + LibraryElementImpl asyncLibrary = new LibraryElementImpl.forNode(
|
| + coreContext, AstFactory.libraryIdentifier2(["dart", "async"]));
|
| + asyncLibrary.definingCompilationUnit = asyncUnit;
|
| + //
|
| + // dart:html
|
| + //
|
| + CompilationUnitElementImpl htmlUnit =
|
| + new CompilationUnitElementImpl("html_dartium.dart");
|
| + Source htmlSource = sourceFactory.forUri(DartSdk.DART_HTML);
|
| + coreContext.setContents(htmlSource, "");
|
| + htmlUnit.librarySource = htmlUnit.source = htmlSource;
|
| + ClassElementImpl elementElement = ElementFactory.classElement2("Element");
|
| + InterfaceType elementType = elementElement.type;
|
| + ClassElementImpl canvasElement =
|
| + ElementFactory.classElement("CanvasElement", elementType);
|
| + ClassElementImpl contextElement =
|
| + ElementFactory.classElement2("CanvasRenderingContext");
|
| + InterfaceType contextElementType = contextElement.type;
|
| + ClassElementImpl context2dElement = ElementFactory.classElement(
|
| + "CanvasRenderingContext2D", contextElementType);
|
| + canvasElement.methods = <MethodElement>[
|
| + ElementFactory.methodElement(
|
| + "getContext", contextElementType, [provider.stringType])
|
| + ];
|
| + canvasElement.accessors = <PropertyAccessorElement>[
|
| + ElementFactory.getterElement("context2D", false, context2dElement.type)
|
| + ];
|
| + canvasElement.fields = canvasElement.accessors
|
| + .map((PropertyAccessorElement accessor) => accessor.variable)
|
| + .toList();
|
| + ClassElementImpl documentElement =
|
| + ElementFactory.classElement("Document", elementType);
|
| + ClassElementImpl htmlDocumentElement =
|
| + ElementFactory.classElement("HtmlDocument", documentElement.type);
|
| + htmlDocumentElement.methods = <MethodElement>[
|
| + ElementFactory.methodElement(
|
| + "query", elementType, <DartType>[provider.stringType])
|
| + ];
|
| + htmlUnit.types = <ClassElement>[
|
| + ElementFactory.classElement("AnchorElement", elementType),
|
| + ElementFactory.classElement("BodyElement", elementType),
|
| + ElementFactory.classElement("ButtonElement", elementType),
|
| + canvasElement,
|
| + contextElement,
|
| + context2dElement,
|
| + ElementFactory.classElement("DivElement", elementType),
|
| + documentElement,
|
| + elementElement,
|
| + htmlDocumentElement,
|
| + ElementFactory.classElement("InputElement", elementType),
|
| + ElementFactory.classElement("SelectElement", elementType)
|
| + ];
|
| + htmlUnit.functions = <FunctionElement>[
|
| + ElementFactory.functionElement3("query", elementElement,
|
| + <ClassElement>[provider.stringType.element], ClassElement.EMPTY_LIST)
|
| + ];
|
| + TopLevelVariableElementImpl document = ElementFactory
|
| + .topLevelVariableElement3(
|
| + "document", false, true, htmlDocumentElement.type);
|
| + htmlUnit.topLevelVariables = <TopLevelVariableElement>[document];
|
| + htmlUnit.accessors = <PropertyAccessorElement>[document.getter];
|
| + LibraryElementImpl htmlLibrary = new LibraryElementImpl.forNode(
|
| + coreContext, AstFactory.libraryIdentifier2(["dart", "dom", "html"]));
|
| + htmlLibrary.definingCompilationUnit = htmlUnit;
|
| + //
|
| + // dart:math
|
| + //
|
| + CompilationUnitElementImpl mathUnit =
|
| + new CompilationUnitElementImpl("math.dart");
|
| + Source mathSource = sourceFactory.forUri(_DART_MATH);
|
| + coreContext.setContents(mathSource, "");
|
| + mathUnit.librarySource = mathUnit.source = mathSource;
|
| + FunctionElement cosElement = ElementFactory.functionElement3(
|
| + "cos",
|
| + provider.doubleType.element,
|
| + <ClassElement>[provider.numType.element],
|
| + ClassElement.EMPTY_LIST);
|
| + TopLevelVariableElement ln10Element = ElementFactory
|
| + .topLevelVariableElement3("LN10", true, false, provider.doubleType);
|
| + FunctionElement maxElement = ElementFactory.functionElement3(
|
| + "max",
|
| + provider.numType.element,
|
| + <ClassElement>[provider.numType.element, provider.numType.element],
|
| + ClassElement.EMPTY_LIST);
|
| + TopLevelVariableElement piElement = ElementFactory.topLevelVariableElement3(
|
| + "PI", true, false, provider.doubleType);
|
| + ClassElementImpl randomElement = ElementFactory.classElement2("Random");
|
| + randomElement.abstract = true;
|
| + ConstructorElementImpl randomConstructor =
|
| + ElementFactory.constructorElement2(randomElement, null);
|
| + randomConstructor.factory = true;
|
| + ParameterElementImpl seedParam = new ParameterElementImpl("seed", 0);
|
| + seedParam.parameterKind = ParameterKind.POSITIONAL;
|
| + seedParam.type = provider.intType;
|
| + randomConstructor.parameters = <ParameterElement>[seedParam];
|
| + randomElement.constructors = <ConstructorElement>[randomConstructor];
|
| + FunctionElement sinElement = ElementFactory.functionElement3(
|
| + "sin",
|
| + provider.doubleType.element,
|
| + <ClassElement>[provider.numType.element],
|
| + ClassElement.EMPTY_LIST);
|
| + FunctionElement sqrtElement = ElementFactory.functionElement3(
|
| + "sqrt",
|
| + provider.doubleType.element,
|
| + <ClassElement>[provider.numType.element],
|
| + ClassElement.EMPTY_LIST);
|
| + mathUnit.accessors = <PropertyAccessorElement>[
|
| + ln10Element.getter,
|
| + piElement.getter
|
| + ];
|
| + mathUnit.functions = <FunctionElement>[
|
| + cosElement,
|
| + maxElement,
|
| + sinElement,
|
| + sqrtElement
|
| + ];
|
| + mathUnit.topLevelVariables = <TopLevelVariableElement>[
|
| + ln10Element,
|
| + piElement
|
| + ];
|
| + mathUnit.types = <ClassElement>[randomElement];
|
| + LibraryElementImpl mathLibrary = new LibraryElementImpl.forNode(
|
| + coreContext, AstFactory.libraryIdentifier2(["dart", "math"]));
|
| + mathLibrary.definingCompilationUnit = mathUnit;
|
| + //
|
| + // Set empty sources for the rest of the libraries.
|
| + //
|
| + Source source = sourceFactory.forUri(_DART_INTERCEPTORS);
|
| + coreContext.setContents(source, "");
|
| + source = sourceFactory.forUri(_DART_JS_HELPER);
|
| + coreContext.setContents(source, "");
|
| + //
|
| + // Record the elements.
|
| + //
|
| + HashMap<Source, LibraryElement> elementMap =
|
| + new HashMap<Source, LibraryElement>();
|
| + elementMap[coreSource] = coreLibrary;
|
| + elementMap[asyncSource] = asyncLibrary;
|
| + elementMap[htmlSource] = htmlLibrary;
|
| + elementMap[mathSource] = mathLibrary;
|
| + context.recordLibraryElements(elementMap);
|
| + return context;
|
| + }
|
| +
|
| + /**
|
| + * Create an analysis context that has a fake core library already resolved.
|
| + * Return the context that was created.
|
| + */
|
| + static AnalysisContextImpl oldContextWithCore() {
|
| + AnalysisContextForTests context = new AnalysisContextForTests();
|
| + return initContextWithCore(context);
|
| + }
|
| +
|
| + /**
|
| + * Create an analysis context that uses the given [options] and has a fake
|
| + * core library already resolved. Return the context that was created.
|
| + */
|
| + static AnalysisContextImpl oldContextWithCoreAndOptions(
|
| + AnalysisOptions options) {
|
| + AnalysisContextForTests context = new AnalysisContextForTests();
|
| + context._internalSetAnalysisOptions(options);
|
| + return initContextWithCore(context);
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * Instances of the class `AnalysisContextForTests` implement an analysis context that has a
|
| + * fake SDK that is much smaller and faster for testing purposes.
|
| + */
|
| +class AnalysisContextForTests extends AnalysisContextImpl {
|
| + @override
|
| + void set analysisOptions(AnalysisOptions options) {
|
| + AnalysisOptions currentOptions = analysisOptions;
|
| + bool needsRecompute = currentOptions.analyzeFunctionBodiesPredicate !=
|
| + options.analyzeFunctionBodiesPredicate ||
|
| + currentOptions.generateImplicitErrors !=
|
| + options.generateImplicitErrors ||
|
| + currentOptions.generateSdkErrors != options.generateSdkErrors ||
|
| + currentOptions.dart2jsHint != options.dart2jsHint ||
|
| + (currentOptions.hint && !options.hint) ||
|
| + currentOptions.preserveComments != options.preserveComments ||
|
| + currentOptions.enableStrictCallChecks != options.enableStrictCallChecks;
|
| + if (needsRecompute) {
|
| + fail(
|
| + "Cannot set options that cause the sources to be reanalyzed in a test context");
|
| + }
|
| + super.analysisOptions = options;
|
| + }
|
| +
|
| + @override
|
| + bool exists(Source source) =>
|
| + super.exists(source) || sourceFactory.dartSdk.context.exists(source);
|
| +
|
| + @override
|
| + TimestampedData<String> getContents(Source source) {
|
| + if (source.isInSystemLibrary) {
|
| + return sourceFactory.dartSdk.context.getContents(source);
|
| + }
|
| + return super.getContents(source);
|
| + }
|
| +
|
| + @override
|
| + int getModificationStamp(Source source) {
|
| + if (source.isInSystemLibrary) {
|
| + return sourceFactory.dartSdk.context.getModificationStamp(source);
|
| + }
|
| + return super.getModificationStamp(source);
|
| + }
|
| +
|
| + /**
|
| + * Set the analysis options, even if they would force re-analysis. This method should only be
|
| + * invoked before the fake SDK is initialized.
|
| + *
|
| + * @param options the analysis options to be set
|
| + */
|
| + void _internalSetAnalysisOptions(AnalysisOptions options) {
|
| + super.analysisOptions = options;
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * Helper for creating and managing single [AnalysisContext].
|
| + */
|
| +class AnalysisContextHelper {
|
| + AnalysisContext context;
|
| +
|
| + /**
|
| + * Creates new [AnalysisContext] using [AnalysisContextFactory].
|
| + */
|
| + AnalysisContextHelper([AnalysisOptionsImpl options]) {
|
| + if (options == null) {
|
| + options = new AnalysisOptionsImpl();
|
| + }
|
| + options.cacheSize = 256;
|
| + context = AnalysisContextFactory.contextWithCoreAndOptions(options);
|
| + }
|
| +
|
| + Source addSource(String path, String code) {
|
| + Source source = new FileBasedSource(FileUtilities2.createFile(path));
|
| + if (path.endsWith(".dart") || path.endsWith(".html")) {
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.addedSource(source);
|
| + context.applyChanges(changeSet);
|
| + }
|
| + context.setContents(source, code);
|
| + return source;
|
| + }
|
| +
|
| + CompilationUnitElement getDefiningUnitElement(Source source) =>
|
| + context.getCompilationUnitElement(source, source);
|
| +
|
| + CompilationUnit resolveDefiningUnit(Source source) {
|
| + LibraryElement libraryElement = context.computeLibraryElement(source);
|
| + return context.resolveCompilationUnit(source, libraryElement);
|
| + }
|
| +
|
| + void runTasks() {
|
| + AnalysisResult result = context.performAnalysisTask();
|
| + while (result.changeNotices != null) {
|
| + result = context.performAnalysisTask();
|
| + }
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class AnalysisDeltaTest extends EngineTestCase {
|
| + TestSource source1 = new TestSource('/1.dart');
|
| + TestSource source2 = new TestSource('/2.dart');
|
| + TestSource source3 = new TestSource('/3.dart');
|
| +
|
| + void test_getAddedSources() {
|
| + AnalysisDelta delta = new AnalysisDelta();
|
| + delta.setAnalysisLevel(source1, AnalysisLevel.ALL);
|
| + delta.setAnalysisLevel(source2, AnalysisLevel.ERRORS);
|
| + delta.setAnalysisLevel(source3, AnalysisLevel.NONE);
|
| + List<Source> addedSources = delta.addedSources;
|
| + expect(addedSources, hasLength(2));
|
| + expect(addedSources, unorderedEquals([source1, source2]));
|
| + }
|
| +
|
| + void test_getAnalysisLevels() {
|
| + AnalysisDelta delta = new AnalysisDelta();
|
| + expect(delta.analysisLevels.length, 0);
|
| + }
|
| +
|
| + void test_setAnalysisLevel() {
|
| + AnalysisDelta delta = new AnalysisDelta();
|
| + delta.setAnalysisLevel(source1, AnalysisLevel.ALL);
|
| + delta.setAnalysisLevel(source2, AnalysisLevel.ERRORS);
|
| + Map<Source, AnalysisLevel> levels = delta.analysisLevels;
|
| + expect(levels.length, 2);
|
| + expect(levels[source1], AnalysisLevel.ALL);
|
| + expect(levels[source2], AnalysisLevel.ERRORS);
|
| + }
|
| +
|
| + void test_toString() {
|
| + AnalysisDelta delta = new AnalysisDelta();
|
| + delta.setAnalysisLevel(new TestSource(), AnalysisLevel.ALL);
|
| + String result = delta.toString();
|
| + expect(result, isNotNull);
|
| + expect(result.length > 0, isTrue);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class ChangeSetTest extends EngineTestCase {
|
| + void test_changedContent() {
|
| + TestSource source = new TestSource();
|
| + String content = "";
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.changedContent(source, content);
|
| + expect(changeSet.addedSources, hasLength(0));
|
| + expect(changeSet.changedSources, hasLength(0));
|
| + Map<Source, String> map = changeSet.changedContents;
|
| + expect(map, hasLength(1));
|
| + expect(map[source], same(content));
|
| + expect(changeSet.changedRanges, hasLength(0));
|
| + expect(changeSet.deletedSources, hasLength(0));
|
| + expect(changeSet.removedSources, hasLength(0));
|
| + expect(changeSet.removedContainers, hasLength(0));
|
| + }
|
| +
|
| + void test_changedRange() {
|
| + TestSource source = new TestSource();
|
| + String content = "";
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.changedRange(source, content, 1, 2, 3);
|
| + expect(changeSet.addedSources, hasLength(0));
|
| + expect(changeSet.changedSources, hasLength(0));
|
| + expect(changeSet.changedContents, hasLength(0));
|
| + Map<Source, ChangeSet_ContentChange> map = changeSet.changedRanges;
|
| + expect(map, hasLength(1));
|
| + ChangeSet_ContentChange change = map[source];
|
| + expect(change, isNotNull);
|
| + expect(change.contents, content);
|
| + expect(change.offset, 1);
|
| + expect(change.oldLength, 2);
|
| + expect(change.newLength, 3);
|
| + expect(changeSet.deletedSources, hasLength(0));
|
| + expect(changeSet.removedSources, hasLength(0));
|
| + expect(changeSet.removedContainers, hasLength(0));
|
| + }
|
| +
|
| + void test_toString() {
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.addedSource(new TestSource());
|
| + changeSet.changedSource(new TestSource());
|
| + changeSet.changedContent(new TestSource(), "");
|
| + changeSet.changedRange(new TestSource(), "", 0, 0, 0);
|
| + changeSet.deletedSource(new TestSource());
|
| + changeSet.removedSource(new TestSource());
|
| + changeSet
|
| + .removedContainer(new SourceContainer_ChangeSetTest_test_toString());
|
| + expect(changeSet.toString(), isNotNull);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class CheckedModeCompileTimeErrorCodeTest extends ResolverTestCase {
|
| + void test_fieldFormalParameterAssignableToField_extends() {
|
| + // According to checked-mode type checking rules, a value of type B is
|
| + // assignable to a field of type A, because B extends A (and hence is a
|
| + // subtype of A).
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A();
|
| +}
|
| +class B extends A {
|
| + const B();
|
| +}
|
| +class C {
|
| + final A a;
|
| + const C(this.a);
|
| +}
|
| +var v = const C(const B());''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_fieldType_unresolved_null() {
|
| + // Null always passes runtime type checks, even when the type is
|
| + // unresolved.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final Unresolved x;
|
| + const A(String this.x);
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticWarningCode.UNDEFINED_CLASS]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_implements() {
|
| + // According to checked-mode type checking rules, a value of type B is
|
| + // assignable to a field of type A, because B implements A (and hence is a
|
| + // subtype of A).
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B implements A {
|
| + const B();
|
| +}
|
| +class C {
|
| + final A a;
|
| + const C(this.a);
|
| +}
|
| +var v = const C(const B());''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_list_dynamic() {
|
| + // [1, 2, 3] has type List<dynamic>, which is a subtype of List<int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(List<int> x);
|
| +}
|
| +var x = const A(const [1, 2, 3]);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_list_nonDynamic() {
|
| + // <int>[1, 2, 3] has type List<int>, which is a subtype of List<num>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(List<num> x);
|
| +}
|
| +var x = const A(const <int>[1, 2, 3]);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_map_dynamic() {
|
| + // {1: 2} has type Map<dynamic, dynamic>, which is a subtype of
|
| + // Map<int, int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Map<int, int> x);
|
| +}
|
| +var x = const A(const {1: 2});''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_map_keyDifferent() {
|
| + // <int, int>{1: 2} has type Map<int, int>, which is a subtype of
|
| + // Map<num, int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Map<num, int> x);
|
| +}
|
| +var x = const A(const <int, int>{1: 2});''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_map_valueDifferent() {
|
| + // <int, int>{1: 2} has type Map<int, int>, which is a subtype of
|
| + // Map<int, num>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Map<int, num> x);
|
| +}
|
| +var x = const A(const <int, int>{1: 2});''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_notype() {
|
| + // If a field is declared without a type, then any value may be assigned to
|
| + // it.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final x;
|
| + const A(this.x);
|
| +}
|
| +var v = const A(5);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_null() {
|
| + // Null is assignable to anything.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final int x;
|
| + const A(this.x);
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_typedef() {
|
| + // foo has the runtime type dynamic -> dynamic, so it should be assignable
|
| + // to A.f.
|
| + Source source = addSource(r'''
|
| +typedef String Int2String(int x);
|
| +class A {
|
| + final Int2String f;
|
| + const A(this.f);
|
| +}
|
| +foo(x) => 1;
|
| +var v = const A(foo);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterAssignableToField_typeSubstitution() {
|
| + // foo has the runtime type dynamic -> dynamic, so it should be assignable
|
| + // to A.f.
|
| + Source source = addSource(r'''
|
| +class A<T> {
|
| + final T x;
|
| + const A(this.x);
|
| +}
|
| +var v = const A<int>(3);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final int x;
|
| + const A(this.x);
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_extends() {
|
| + // According to checked-mode type checking rules, a value of type A is not
|
| + // assignable to a field of type B, because B extends A (the subtyping
|
| + // relationship is in the wrong direction).
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A();
|
| +}
|
| +class B extends A {
|
| + const B();
|
| +}
|
| +class C {
|
| + final B b;
|
| + const C(this.b);
|
| +}
|
| +var v = const C(const A());''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_fieldType() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final int x;
|
| + const A(String this.x);
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.FIELD_INITIALIZING_FORMAL_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_fieldType_unresolved() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final Unresolved x;
|
| + const A(String this.x);
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.UNDEFINED_CLASS
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_implements() {
|
| + // According to checked-mode type checking rules, a value of type A is not
|
| + // assignable to a field of type B, because B implements A (the subtyping
|
| + // relationship is in the wrong direction).
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A();
|
| +}
|
| +class B implements A {}
|
| +class C {
|
| + final B b;
|
| + const C(this.b);
|
| +}
|
| +var v = const C(const A());''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_list() {
|
| + // <num>[1, 2, 3] has type List<num>, which is not a subtype of List<int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(List<int> x);
|
| +}
|
| +var x = const A(const <num>[1, 2, 3]);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_map_keyMismatch() {
|
| + // <num, int>{1: 2} has type Map<num, int>, which is not a subtype of
|
| + // Map<int, int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Map<int, int> x);
|
| +}
|
| +var x = const A(const <num, int>{1: 2});''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_map_valueMismatch() {
|
| + // <int, num>{1: 2} has type Map<int, num>, which is not a subtype of
|
| + // Map<int, int>.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Map<int, int> x);
|
| +}
|
| +var x = const A(const <int, num>{1: 2});''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_optional() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final int x;
|
| + const A([this.x = 'foo']);
|
| +}
|
| +var v = const A();''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticTypeWarningCode.INVALID_ASSIGNMENT
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameterNotAssignableToField_typedef() {
|
| + // foo has the runtime type String -> int, so it should not be assignable
|
| + // to A.f (A.f requires it to be int -> String).
|
| + Source source = addSource(r'''
|
| +typedef String Int2String(int x);
|
| +class A {
|
| + final Int2String f;
|
| + const A(this.f);
|
| +}
|
| +int foo(String x) => 1;
|
| +var v = const A(foo);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldInitializerNotAssignable() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + final int x;
|
| + const A() : x = '';
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_FIELD_INITIALIZER_NOT_ASSIGNABLE,
|
| + StaticWarningCode.FIELD_INITIALIZER_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeMismatch() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(x) : y = x;
|
| + final int y;
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeMismatch_generic() {
|
| + Source source = addSource(r'''
|
| +class C<T> {
|
| + final T x = y;
|
| + const C();
|
| +}
|
| +const int y = 1;
|
| +var v = const C<String>();
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH,
|
| + StaticTypeWarningCode.INVALID_ASSIGNMENT
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeMismatch_unresolved() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(x) : y = x;
|
| + final Unresolved y;
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH,
|
| + StaticWarningCode.UNDEFINED_CLASS
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeOk_generic() {
|
| + Source source = addSource(r'''
|
| +class C<T> {
|
| + final T x = y;
|
| + const C();
|
| +}
|
| +const int y = 1;
|
| +var v = const C<int>();
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeOk_null() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(x) : y = x;
|
| + final int y;
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldTypeOk_unresolved_null() {
|
| + // Null always passes runtime type checks, even when the type is
|
| + // unresolved.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(x) : y = x;
|
| + final Unresolved y;
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticWarningCode.UNDEFINED_CLASS]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_listElementTypeNotAssignable() {
|
| + Source source = addSource("var v = const <String> [42];");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE,
|
| + StaticWarningCode.LIST_ELEMENT_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_mapKeyTypeNotAssignable() {
|
| + Source source = addSource("var v = const <String, int > {1 : 2};");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.MAP_KEY_TYPE_NOT_ASSIGNABLE,
|
| + StaticWarningCode.MAP_KEY_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_mapValueTypeNotAssignable() {
|
| + Source source = addSource("var v = const <String, String> {'a' : 2};");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.MAP_VALUE_TYPE_NOT_ASSIGNABLE,
|
| + StaticWarningCode.MAP_VALUE_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterAssignable_null() {
|
| + // Null is assignable to anything.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(int x);
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterAssignable_typeSubstitution() {
|
| + Source source = addSource(r'''
|
| +class A<T> {
|
| + const A(T x);
|
| +}
|
| +var v = const A<int>(3);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterAssignable_undefined_null() {
|
| + // Null always passes runtime type checks, even when the type is
|
| + // unresolved.
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Unresolved x);
|
| +}
|
| +var v = const A(null);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticWarningCode.UNDEFINED_CLASS]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterNotAssignable() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(int x);
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterNotAssignable_typeSubstitution() {
|
| + Source source = addSource(r'''
|
| +class A<T> {
|
| + const A(T x);
|
| +}
|
| +var v = const A<int>('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_parameterNotAssignable_undefined() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A(Unresolved x);
|
| +}
|
| +var v = const A('foo');''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH,
|
| + StaticWarningCode.UNDEFINED_CLASS
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_redirectingConstructor_paramTypeMismatch() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + const A.a1(x) : this.a2(x);
|
| + const A.a2(String x);
|
| +}
|
| +var v = const A.a1(0);''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_topLevelVarAssignable_null() {
|
| + Source source = addSource("const int x = null;");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_topLevelVarAssignable_undefined_null() {
|
| + // Null always passes runtime type checks, even when the type is
|
| + // unresolved.
|
| + Source source = addSource("const Unresolved x = null;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticWarningCode.UNDEFINED_CLASS]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_topLevelVarNotAssignable() {
|
| + Source source = addSource("const int x = 'foo';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.VARIABLE_TYPE_MISMATCH,
|
| + StaticTypeWarningCode.INVALID_ASSIGNMENT
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_topLevelVarNotAssignable_undefined() {
|
| + Source source = addSource("const Unresolved x = 'foo';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CheckedModeCompileTimeErrorCode.VARIABLE_TYPE_MISMATCH,
|
| + StaticWarningCode.UNDEFINED_CLASS
|
| + ]);
|
| + verify([source]);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class ElementResolverTest extends EngineTestCase {
|
| + /**
|
| + * The error listener to which errors will be reported.
|
| + */
|
| + GatheringErrorListener _listener;
|
| +
|
| + /**
|
| + * The type provider used to access the types.
|
| + */
|
| + TestTypeProvider _typeProvider;
|
| +
|
| + /**
|
| + * The library containing the code being resolved.
|
| + */
|
| + LibraryElementImpl _definingLibrary;
|
| +
|
| + /**
|
| + * The resolver visitor that maintains the state for the resolver.
|
| + */
|
| + ResolverVisitor _visitor;
|
| +
|
| + /**
|
| + * The resolver being used to resolve the test cases.
|
| + */
|
| + ElementResolver _resolver;
|
| +
|
| + void fail_visitExportDirective_combinators() {
|
| + fail("Not yet tested");
|
| + // Need to set up the exported library so that the identifier can be
|
| + // resolved.
|
| + ExportDirective directive = AstFactory.exportDirective2(null, [
|
| + AstFactory.hideCombinator2(["A"])
|
| + ]);
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitFunctionExpressionInvocation() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitImportDirective_combinators_noPrefix() {
|
| + fail("Not yet tested");
|
| + // Need to set up the imported library so that the identifier can be
|
| + // resolved.
|
| + ImportDirective directive = AstFactory.importDirective3(null, null, [
|
| + AstFactory.showCombinator2(["A"])
|
| + ]);
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitImportDirective_combinators_prefix() {
|
| + fail("Not yet tested");
|
| + // Need to set up the imported library so that the identifiers can be
|
| + // resolved.
|
| + String prefixName = "p";
|
| + _definingLibrary.imports = <ImportElement>[
|
| + ElementFactory.importFor(null, ElementFactory.prefix(prefixName))
|
| + ];
|
| + ImportDirective directive = AstFactory.importDirective3(null, prefixName, [
|
| + AstFactory.showCombinator2(["A"]),
|
| + AstFactory.hideCombinator2(["B"])
|
| + ]);
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitRedirectingConstructorInvocation() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + _listener = new GatheringErrorListener();
|
| + _typeProvider = new TestTypeProvider();
|
| + _resolver = _createResolver();
|
| + }
|
| +
|
| + void test_lookUpMethodInInterfaces() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + //
|
| + // abstract class A { int operator[](int index); }
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + MethodElement operator =
|
| + ElementFactory.methodElement("[]", intType, [intType]);
|
| + classA.methods = <MethodElement>[operator];
|
| + //
|
| + // class B implements A {}
|
| + //
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + //
|
| + // class C extends Object with B {}
|
| + //
|
| + ClassElementImpl classC = ElementFactory.classElement2("C");
|
| + classC.mixins = <InterfaceType>[classB.type];
|
| + //
|
| + // class D extends C {}
|
| + //
|
| + ClassElementImpl classD = ElementFactory.classElement("D", classC.type);
|
| + //
|
| + // D a;
|
| + // a[i];
|
| + //
|
| + SimpleIdentifier array = AstFactory.identifier3("a");
|
| + array.staticType = classD.type;
|
| + IndexExpression expression =
|
| + AstFactory.indexExpression(array, AstFactory.identifier3("i"));
|
| + expect(_resolveIndexExpression(expression), same(operator));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_compound() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + SimpleIdentifier leftHandSide = AstFactory.identifier3("a");
|
| + leftHandSide.staticType = intType;
|
| + AssignmentExpression assignment = AstFactory.assignmentExpression(
|
| + leftHandSide, TokenType.PLUS_EQ, AstFactory.integer(1));
|
| + _resolveNode(assignment);
|
| + expect(
|
| + assignment.staticElement, same(getMethod(_typeProvider.numType, "+")));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_simple() {
|
| + AssignmentExpression expression = AstFactory.assignmentExpression(
|
| + AstFactory.identifier3("x"), TokenType.EQ, AstFactory.integer(0));
|
| + _resolveNode(expression);
|
| + expect(expression.staticElement, isNull);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_bangEq() {
|
| + // String i;
|
| + // var j;
|
| + // i == j
|
| + InterfaceType stringType = _typeProvider.stringType;
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.staticType = stringType;
|
| + BinaryExpression expression = AstFactory.binaryExpression(
|
| + left, TokenType.BANG_EQ, AstFactory.identifier3("j"));
|
| + _resolveNode(expression);
|
| + var stringElement = stringType.element;
|
| + expect(expression.staticElement, isNotNull);
|
| + expect(
|
| + expression.staticElement,
|
| + stringElement.lookUpMethod(
|
| + TokenType.EQ_EQ.lexeme, stringElement.library));
|
| + expect(expression.propagatedElement, isNull);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_eq() {
|
| + // String i;
|
| + // var j;
|
| + // i == j
|
| + InterfaceType stringType = _typeProvider.stringType;
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.staticType = stringType;
|
| + BinaryExpression expression = AstFactory.binaryExpression(
|
| + left, TokenType.EQ_EQ, AstFactory.identifier3("j"));
|
| + _resolveNode(expression);
|
| + var stringElement = stringType.element;
|
| + expect(
|
| + expression.staticElement,
|
| + stringElement.lookUpMethod(
|
| + TokenType.EQ_EQ.lexeme, stringElement.library));
|
| + expect(expression.propagatedElement, isNull);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_plus() {
|
| + // num i;
|
| + // var j;
|
| + // i + j
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.staticType = numType;
|
| + BinaryExpression expression = AstFactory.binaryExpression(
|
| + left, TokenType.PLUS, AstFactory.identifier3("j"));
|
| + _resolveNode(expression);
|
| + expect(expression.staticElement, getMethod(numType, "+"));
|
| + expect(expression.propagatedElement, isNull);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_plus_propagatedElement() {
|
| + // var i = 1;
|
| + // var j;
|
| + // i + j
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.propagatedType = numType;
|
| + BinaryExpression expression = AstFactory.binaryExpression(
|
| + left, TokenType.PLUS, AstFactory.identifier3("j"));
|
| + _resolveNode(expression);
|
| + expect(expression.staticElement, isNull);
|
| + expect(expression.propagatedElement, getMethod(numType, "+"));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBreakStatement_withLabel() {
|
| + // loop: while (true) {
|
| + // break loop;
|
| + // }
|
| + String label = "loop";
|
| + LabelElementImpl labelElement =
|
| + new LabelElementImpl(AstFactory.identifier3(label), false, false);
|
| + BreakStatement breakStatement = AstFactory.breakStatement2(label);
|
| + Expression condition = AstFactory.booleanLiteral(true);
|
| + WhileStatement whileStatement =
|
| + AstFactory.whileStatement(condition, breakStatement);
|
| + expect(_resolveBreak(breakStatement, labelElement, whileStatement),
|
| + same(labelElement));
|
| + expect(breakStatement.target, same(whileStatement));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBreakStatement_withoutLabel() {
|
| + BreakStatement statement = AstFactory.breakStatement();
|
| + _resolveStatement(statement, null, null);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitConstructorName_named() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String constructorName = "a";
|
| + ConstructorElement constructor =
|
| + ElementFactory.constructorElement2(classA, constructorName);
|
| + classA.constructors = <ConstructorElement>[constructor];
|
| + ConstructorName name = AstFactory.constructorName(
|
| + AstFactory.typeName(classA), constructorName);
|
| + _resolveNode(name);
|
| + expect(name.staticElement, same(constructor));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitConstructorName_unnamed() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String constructorName = null;
|
| + ConstructorElement constructor =
|
| + ElementFactory.constructorElement2(classA, constructorName);
|
| + classA.constructors = <ConstructorElement>[constructor];
|
| + ConstructorName name = AstFactory.constructorName(
|
| + AstFactory.typeName(classA), constructorName);
|
| + _resolveNode(name);
|
| + expect(name.staticElement, same(constructor));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitContinueStatement_withLabel() {
|
| + // loop: while (true) {
|
| + // continue loop;
|
| + // }
|
| + String label = "loop";
|
| + LabelElementImpl labelElement =
|
| + new LabelElementImpl(AstFactory.identifier3(label), false, false);
|
| + ContinueStatement continueStatement = AstFactory.continueStatement(label);
|
| + Expression condition = AstFactory.booleanLiteral(true);
|
| + WhileStatement whileStatement =
|
| + AstFactory.whileStatement(condition, continueStatement);
|
| + expect(_resolveContinue(continueStatement, labelElement, whileStatement),
|
| + same(labelElement));
|
| + expect(continueStatement.target, same(whileStatement));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitContinueStatement_withoutLabel() {
|
| + ContinueStatement statement = AstFactory.continueStatement();
|
| + _resolveStatement(statement, null, null);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitEnumDeclaration() {
|
| + ClassElementImpl enumElement =
|
| + ElementFactory.enumElement(_typeProvider, ('E'));
|
| + EnumDeclaration enumNode = AstFactory.enumDeclaration2('E', []);
|
| + Annotation annotationNode =
|
| + AstFactory.annotation(AstFactory.identifier3('a'));
|
| + annotationNode.element = ElementFactory.classElement2('A');
|
| + enumNode.metadata.add(annotationNode);
|
| + enumNode.name.staticElement = enumElement;
|
| + _resolveNode(enumNode);
|
| + List<ElementAnnotation> metadata = enumElement.metadata;
|
| + expect(metadata, hasLength(1));
|
| + }
|
| +
|
| + void test_visitExportDirective_noCombinators() {
|
| + ExportDirective directive = AstFactory.exportDirective2(null);
|
| + directive.element = ElementFactory
|
| + .exportFor(ElementFactory.library(_definingLibrary.context, "lib"));
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFieldFormalParameter() {
|
| + String fieldName = "f";
|
| + InterfaceType intType = _typeProvider.intType;
|
| + FieldElementImpl fieldElement =
|
| + ElementFactory.fieldElement(fieldName, false, false, false, intType);
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.fields = <FieldElement>[fieldElement];
|
| + FieldFormalParameter parameter =
|
| + AstFactory.fieldFormalParameter2(fieldName);
|
| + FieldFormalParameterElementImpl parameterElement =
|
| + ElementFactory.fieldFormalParameter(parameter.identifier);
|
| + parameterElement.field = fieldElement;
|
| + parameterElement.type = intType;
|
| + parameter.identifier.staticElement = parameterElement;
|
| + _resolveInClass(parameter, classA);
|
| + expect(parameter.element.type, same(intType));
|
| + }
|
| +
|
| + void test_visitImportDirective_noCombinators_noPrefix() {
|
| + ImportDirective directive = AstFactory.importDirective3(null, null);
|
| + directive.element = ElementFactory.importFor(
|
| + ElementFactory.library(_definingLibrary.context, "lib"), null);
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitImportDirective_noCombinators_prefix() {
|
| + String prefixName = "p";
|
| + ImportElement importElement = ElementFactory.importFor(
|
| + ElementFactory.library(_definingLibrary.context, "lib"),
|
| + ElementFactory.prefix(prefixName));
|
| + _definingLibrary.imports = <ImportElement>[importElement];
|
| + ImportDirective directive = AstFactory.importDirective3(null, prefixName);
|
| + directive.element = importElement;
|
| + _resolveNode(directive);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitImportDirective_withCombinators() {
|
| + ShowCombinator combinator = AstFactory.showCombinator2(["A", "B", "C"]);
|
| + ImportDirective directive =
|
| + AstFactory.importDirective3(null, null, [combinator]);
|
| + LibraryElementImpl library =
|
| + ElementFactory.library(_definingLibrary.context, "lib");
|
| + TopLevelVariableElementImpl varA =
|
| + ElementFactory.topLevelVariableElement2("A");
|
| + TopLevelVariableElementImpl varB =
|
| + ElementFactory.topLevelVariableElement2("B");
|
| + TopLevelVariableElementImpl varC =
|
| + ElementFactory.topLevelVariableElement2("C");
|
| + CompilationUnitElementImpl unit =
|
| + library.definingCompilationUnit as CompilationUnitElementImpl;
|
| + unit.accessors = <PropertyAccessorElement>[
|
| + varA.getter,
|
| + varA.setter,
|
| + varB.getter,
|
| + varC.setter
|
| + ];
|
| + unit.topLevelVariables = <TopLevelVariableElement>[varA, varB, varC];
|
| + directive.element = ElementFactory.importFor(library, null);
|
| + _resolveNode(directive);
|
| + expect(combinator.shownNames[0].staticElement, same(varA));
|
| + expect(combinator.shownNames[1].staticElement, same(varB));
|
| + expect(combinator.shownNames[2].staticElement, same(varC));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_get() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + InterfaceType intType = _typeProvider.intType;
|
| + MethodElement getter =
|
| + ElementFactory.methodElement("[]", intType, [intType]);
|
| + classA.methods = <MethodElement>[getter];
|
| + SimpleIdentifier array = AstFactory.identifier3("a");
|
| + array.staticType = classA.type;
|
| + IndexExpression expression =
|
| + AstFactory.indexExpression(array, AstFactory.identifier3("i"));
|
| + expect(_resolveIndexExpression(expression), same(getter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_set() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + InterfaceType intType = _typeProvider.intType;
|
| + MethodElement setter =
|
| + ElementFactory.methodElement("[]=", intType, [intType]);
|
| + classA.methods = <MethodElement>[setter];
|
| + SimpleIdentifier array = AstFactory.identifier3("a");
|
| + array.staticType = classA.type;
|
| + IndexExpression expression =
|
| + AstFactory.indexExpression(array, AstFactory.identifier3("i"));
|
| + AstFactory.assignmentExpression(
|
| + expression, TokenType.EQ, AstFactory.integer(0));
|
| + expect(_resolveIndexExpression(expression), same(setter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_named() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String constructorName = "a";
|
| + ConstructorElement constructor =
|
| + ElementFactory.constructorElement2(classA, constructorName);
|
| + classA.constructors = <ConstructorElement>[constructor];
|
| + ConstructorName name = AstFactory.constructorName(
|
| + AstFactory.typeName(classA), constructorName);
|
| + name.staticElement = constructor;
|
| + InstanceCreationExpression creation =
|
| + AstFactory.instanceCreationExpression(Keyword.NEW, name);
|
| + _resolveNode(creation);
|
| + expect(creation.staticElement, same(constructor));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_unnamed() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String constructorName = null;
|
| + ConstructorElement constructor =
|
| + ElementFactory.constructorElement2(classA, constructorName);
|
| + classA.constructors = <ConstructorElement>[constructor];
|
| + ConstructorName name = AstFactory.constructorName(
|
| + AstFactory.typeName(classA), constructorName);
|
| + name.staticElement = constructor;
|
| + InstanceCreationExpression creation =
|
| + AstFactory.instanceCreationExpression(Keyword.NEW, name);
|
| + _resolveNode(creation);
|
| + expect(creation.staticElement, same(constructor));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_unnamed_namedParameter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String constructorName = null;
|
| + ConstructorElementImpl constructor =
|
| + ElementFactory.constructorElement2(classA, constructorName);
|
| + String parameterName = "a";
|
| + ParameterElement parameter = ElementFactory.namedParameter(parameterName);
|
| + constructor.parameters = <ParameterElement>[parameter];
|
| + classA.constructors = <ConstructorElement>[constructor];
|
| + ConstructorName name = AstFactory.constructorName(
|
| + AstFactory.typeName(classA), constructorName);
|
| + name.staticElement = constructor;
|
| + InstanceCreationExpression creation = AstFactory.instanceCreationExpression(
|
| + Keyword.NEW,
|
| + name,
|
| + [AstFactory.namedExpression2(parameterName, AstFactory.integer(0))]);
|
| + _resolveNode(creation);
|
| + expect(creation.staticElement, same(constructor));
|
| + expect(
|
| + (creation.argumentList.arguments[0] as NamedExpression)
|
| + .name
|
| + .label
|
| + .staticElement,
|
| + same(parameter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMethodInvocation() {
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.staticType = numType;
|
| + String methodName = "abs";
|
| + MethodInvocation invocation = AstFactory.methodInvocation(left, methodName);
|
| + _resolveNode(invocation);
|
| + expect(invocation.methodName.staticElement,
|
| + same(getMethod(numType, methodName)));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMethodInvocation_namedParameter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + String parameterName = "p";
|
| + MethodElementImpl method = ElementFactory.methodElement(methodName, null);
|
| + ParameterElement parameter = ElementFactory.namedParameter(parameterName);
|
| + method.parameters = <ParameterElement>[parameter];
|
| + classA.methods = <MethodElement>[method];
|
| + SimpleIdentifier left = AstFactory.identifier3("i");
|
| + left.staticType = classA.type;
|
| + MethodInvocation invocation = AstFactory.methodInvocation(left, methodName,
|
| + [AstFactory.namedExpression2(parameterName, AstFactory.integer(0))]);
|
| + _resolveNode(invocation);
|
| + expect(invocation.methodName.staticElement, same(method));
|
| + expect(
|
| + (invocation.argumentList.arguments[0] as NamedExpression)
|
| + .name
|
| + .label
|
| + .staticElement,
|
| + same(parameter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPostfixExpression() {
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier operand = AstFactory.identifier3("i");
|
| + operand.staticType = numType;
|
| + PostfixExpression expression =
|
| + AstFactory.postfixExpression(operand, TokenType.PLUS_PLUS);
|
| + _resolveNode(expression);
|
| + expect(expression.staticElement, getMethod(numType, "+"));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_dynamic() {
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + SimpleIdentifier target = AstFactory.identifier3("a");
|
| + VariableElementImpl variable = ElementFactory.localVariableElement(target);
|
| + variable.type = dynamicType;
|
| + target.staticElement = variable;
|
| + target.staticType = dynamicType;
|
| + PrefixedIdentifier identifier =
|
| + AstFactory.identifier(target, AstFactory.identifier3("b"));
|
| + _resolveNode(identifier);
|
| + expect(identifier.staticElement, isNull);
|
| + expect(identifier.identifier.staticElement, isNull);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_nonDynamic() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "b";
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getter];
|
| + SimpleIdentifier target = AstFactory.identifier3("a");
|
| + VariableElementImpl variable = ElementFactory.localVariableElement(target);
|
| + variable.type = classA.type;
|
| + target.staticElement = variable;
|
| + target.staticType = classA.type;
|
| + PrefixedIdentifier identifier =
|
| + AstFactory.identifier(target, AstFactory.identifier3(getterName));
|
| + _resolveNode(identifier);
|
| + expect(identifier.staticElement, same(getter));
|
| + expect(identifier.identifier.staticElement, same(getter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_staticClassMember_getter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + // set accessors
|
| + String propName = "b";
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(propName, false, _typeProvider.intType);
|
| + PropertyAccessorElement setter =
|
| + ElementFactory.setterElement(propName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getter, setter];
|
| + // prepare "A.m"
|
| + SimpleIdentifier target = AstFactory.identifier3("A");
|
| + target.staticElement = classA;
|
| + target.staticType = classA.type;
|
| + PrefixedIdentifier identifier =
|
| + AstFactory.identifier(target, AstFactory.identifier3(propName));
|
| + // resolve
|
| + _resolveNode(identifier);
|
| + expect(identifier.staticElement, same(getter));
|
| + expect(identifier.identifier.staticElement, same(getter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_staticClassMember_method() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + // set methods
|
| + String propName = "m";
|
| + MethodElement method =
|
| + ElementFactory.methodElement("m", _typeProvider.intType);
|
| + classA.methods = <MethodElement>[method];
|
| + // prepare "A.m"
|
| + SimpleIdentifier target = AstFactory.identifier3("A");
|
| + target.staticElement = classA;
|
| + target.staticType = classA.type;
|
| + PrefixedIdentifier identifier =
|
| + AstFactory.identifier(target, AstFactory.identifier3(propName));
|
| + AstFactory.assignmentExpression(
|
| + identifier, TokenType.EQ, AstFactory.nullLiteral());
|
| + // resolve
|
| + _resolveNode(identifier);
|
| + expect(identifier.staticElement, same(method));
|
| + expect(identifier.identifier.staticElement, same(method));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_staticClassMember_setter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + // set accessors
|
| + String propName = "b";
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(propName, false, _typeProvider.intType);
|
| + PropertyAccessorElement setter =
|
| + ElementFactory.setterElement(propName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getter, setter];
|
| + // prepare "A.b = null"
|
| + SimpleIdentifier target = AstFactory.identifier3("A");
|
| + target.staticElement = classA;
|
| + target.staticType = classA.type;
|
| + PrefixedIdentifier identifier =
|
| + AstFactory.identifier(target, AstFactory.identifier3(propName));
|
| + AstFactory.assignmentExpression(
|
| + identifier, TokenType.EQ, AstFactory.nullLiteral());
|
| + // resolve
|
| + _resolveNode(identifier);
|
| + expect(identifier.staticElement, same(setter));
|
| + expect(identifier.identifier.staticElement, same(setter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression() {
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier operand = AstFactory.identifier3("i");
|
| + operand.staticType = numType;
|
| + PrefixExpression expression =
|
| + AstFactory.prefixExpression(TokenType.PLUS_PLUS, operand);
|
| + _resolveNode(expression);
|
| + expect(expression.staticElement, getMethod(numType, "+"));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_getter_identifier() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "b";
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getter];
|
| + SimpleIdentifier target = AstFactory.identifier3("a");
|
| + target.staticType = classA.type;
|
| + PropertyAccess access = AstFactory.propertyAccess2(target, getterName);
|
| + _resolveNode(access);
|
| + expect(access.propertyName.staticElement, same(getter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_getter_super() {
|
| + //
|
| + // class A {
|
| + // int get b;
|
| + // }
|
| + // class B {
|
| + // ... super.m ...
|
| + // }
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "b";
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getter];
|
| + SuperExpression target = AstFactory.superExpression();
|
| + target.staticType = ElementFactory.classElement("B", classA.type).type;
|
| + PropertyAccess access = AstFactory.propertyAccess2(target, getterName);
|
| + AstFactory.methodDeclaration2(
|
| + null,
|
| + null,
|
| + null,
|
| + null,
|
| + AstFactory.identifier3("m"),
|
| + AstFactory.formalParameterList(),
|
| + AstFactory.expressionFunctionBody(access));
|
| + _resolveNode(access);
|
| + expect(access.propertyName.staticElement, same(getter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_setter_this() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "b";
|
| + PropertyAccessorElement setter =
|
| + ElementFactory.setterElement(setterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setter];
|
| + ThisExpression target = AstFactory.thisExpression();
|
| + target.staticType = classA.type;
|
| + PropertyAccess access = AstFactory.propertyAccess2(target, setterName);
|
| + AstFactory.assignmentExpression(
|
| + access, TokenType.EQ, AstFactory.integer(0));
|
| + _resolveNode(access);
|
| + expect(access.propertyName.staticElement, same(setter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleIdentifier_classScope() {
|
| + InterfaceType doubleType = _typeProvider.doubleType;
|
| + String fieldName = "NAN";
|
| + SimpleIdentifier node = AstFactory.identifier3(fieldName);
|
| + _resolveInClass(node, doubleType.element);
|
| + expect(node.staticElement, getGetter(doubleType, fieldName));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleIdentifier_dynamic() {
|
| + SimpleIdentifier node = AstFactory.identifier3("dynamic");
|
| + _resolveIdentifier(node);
|
| + expect(node.staticElement, same(_typeProvider.dynamicType.element));
|
| + expect(node.staticType, same(_typeProvider.typeType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleIdentifier_lexicalScope() {
|
| + SimpleIdentifier node = AstFactory.identifier3("i");
|
| + VariableElementImpl element = ElementFactory.localVariableElement(node);
|
| + expect(_resolveIdentifier(node, [element]), same(element));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleIdentifier_lexicalScope_field_setter() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String fieldName = "a";
|
| + FieldElement field =
|
| + ElementFactory.fieldElement(fieldName, false, false, false, intType);
|
| + classA.fields = <FieldElement>[field];
|
| + classA.accessors = <PropertyAccessorElement>[field.getter, field.setter];
|
| + SimpleIdentifier node = AstFactory.identifier3(fieldName);
|
| + AstFactory.assignmentExpression(node, TokenType.EQ, AstFactory.integer(0));
|
| + _resolveInClass(node, classA);
|
| + Element element = node.staticElement;
|
| + EngineTestCase.assertInstanceOf((obj) => obj is PropertyAccessorElement,
|
| + PropertyAccessorElement, element);
|
| + expect((element as PropertyAccessorElement).isSetter, isTrue);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSuperConstructorInvocation() {
|
| + ClassElementImpl superclass = ElementFactory.classElement2("A");
|
| + ConstructorElementImpl superConstructor =
|
| + ElementFactory.constructorElement2(superclass, null);
|
| + superclass.constructors = <ConstructorElement>[superConstructor];
|
| + ClassElementImpl subclass =
|
| + ElementFactory.classElement("B", superclass.type);
|
| + ConstructorElementImpl subConstructor =
|
| + ElementFactory.constructorElement2(subclass, null);
|
| + subclass.constructors = <ConstructorElement>[subConstructor];
|
| + SuperConstructorInvocation invocation =
|
| + AstFactory.superConstructorInvocation();
|
| + _resolveInClass(invocation, subclass);
|
| + expect(invocation.staticElement, superConstructor);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSuperConstructorInvocation_namedParameter() {
|
| + ClassElementImpl superclass = ElementFactory.classElement2("A");
|
| + ConstructorElementImpl superConstructor =
|
| + ElementFactory.constructorElement2(superclass, null);
|
| + String parameterName = "p";
|
| + ParameterElement parameter = ElementFactory.namedParameter(parameterName);
|
| + superConstructor.parameters = <ParameterElement>[parameter];
|
| + superclass.constructors = <ConstructorElement>[superConstructor];
|
| + ClassElementImpl subclass =
|
| + ElementFactory.classElement("B", superclass.type);
|
| + ConstructorElementImpl subConstructor =
|
| + ElementFactory.constructorElement2(subclass, null);
|
| + subclass.constructors = <ConstructorElement>[subConstructor];
|
| + SuperConstructorInvocation invocation = AstFactory
|
| + .superConstructorInvocation([
|
| + AstFactory.namedExpression2(parameterName, AstFactory.integer(0))
|
| + ]);
|
| + _resolveInClass(invocation, subclass);
|
| + expect(invocation.staticElement, superConstructor);
|
| + expect(
|
| + (invocation.argumentList.arguments[0] as NamedExpression)
|
| + .name
|
| + .label
|
| + .staticElement,
|
| + same(parameter));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + /**
|
| + * Create the resolver used by the tests.
|
| + *
|
| + * @return the resolver that was created
|
| + */
|
| + ElementResolver _createResolver() {
|
| + InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + FileBasedSource source =
|
| + new FileBasedSource(FileUtilities2.createFile("/test.dart"));
|
| + CompilationUnitElementImpl definingCompilationUnit =
|
| + new CompilationUnitElementImpl("test.dart");
|
| + definingCompilationUnit.librarySource =
|
| + definingCompilationUnit.source = source;
|
| + _definingLibrary = ElementFactory.library(context, "test");
|
| + _definingLibrary.definingCompilationUnit = definingCompilationUnit;
|
| + Library library = new Library(context, _listener, source);
|
| + library.libraryElement = _definingLibrary;
|
| + _visitor = new ResolverVisitor(
|
| + library.libraryElement, source, _typeProvider, library.errorListener,
|
| + nameScope: library.libraryScope,
|
| + inheritanceManager: library.inheritanceManager);
|
| + try {
|
| + return _visitor.elementResolver;
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException(
|
| + "Could not create resolver", exception);
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the label of [statement] after the
|
| + * resolver has resolved it. [labelElement] is the label element to be
|
| + * defined in the statement's label scope, and [labelTarget] is the statement
|
| + * the label resolves to.
|
| + */
|
| + Element _resolveBreak(BreakStatement statement, LabelElementImpl labelElement,
|
| + Statement labelTarget) {
|
| + _resolveStatement(statement, labelElement, labelTarget);
|
| + return statement.label.staticElement;
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the label [statement] after the
|
| + * resolver has resolved it. [labelElement] is the label element to be
|
| + * defined in the statement's label scope, and [labelTarget] is the AST node
|
| + * the label resolves to.
|
| + *
|
| + * @param statement the statement to be resolved
|
| + * @param labelElement the label element to be defined in the statement's label scope
|
| + * @return the element to which the statement's label was resolved
|
| + */
|
| + Element _resolveContinue(ContinueStatement statement,
|
| + LabelElementImpl labelElement, AstNode labelTarget) {
|
| + _resolveStatement(statement, labelElement, labelTarget);
|
| + return statement.label.staticElement;
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the given identifier after the resolver has resolved the
|
| + * identifier.
|
| + *
|
| + * @param node the expression to be resolved
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + * @return the element to which the expression was resolved
|
| + */
|
| + Element _resolveIdentifier(Identifier node, [List<Element> definedElements]) {
|
| + _resolveNode(node, definedElements);
|
| + return node.staticElement;
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the given identifier after the resolver has resolved the
|
| + * identifier.
|
| + *
|
| + * @param node the expression to be resolved
|
| + * @param enclosingClass the element representing the class enclosing the identifier
|
| + * @return the element to which the expression was resolved
|
| + */
|
| + void _resolveInClass(AstNode node, ClassElement enclosingClass) {
|
| + try {
|
| + Scope outerScope = _visitor.nameScope;
|
| + try {
|
| + _visitor.enclosingClass = enclosingClass;
|
| + EnclosedScope innerScope = new ClassScope(
|
| + new TypeParameterScope(outerScope, enclosingClass), enclosingClass);
|
| + _visitor.nameScope = innerScope;
|
| + node.accept(_resolver);
|
| + } finally {
|
| + _visitor.enclosingClass = null;
|
| + _visitor.nameScope = outerScope;
|
| + }
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException("Could not resolve node", exception);
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the given expression after the resolver has resolved the
|
| + * expression.
|
| + *
|
| + * @param node the expression to be resolved
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + * @return the element to which the expression was resolved
|
| + */
|
| + Element _resolveIndexExpression(IndexExpression node,
|
| + [List<Element> definedElements]) {
|
| + _resolveNode(node, definedElements);
|
| + return node.staticElement;
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the given identifier after the resolver has resolved the
|
| + * identifier.
|
| + *
|
| + * @param node the expression to be resolved
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + * @return the element to which the expression was resolved
|
| + */
|
| + void _resolveNode(AstNode node, [List<Element> definedElements]) {
|
| + try {
|
| + Scope outerScope = _visitor.nameScope;
|
| + try {
|
| + EnclosedScope innerScope = new EnclosedScope(outerScope);
|
| + if (definedElements != null) {
|
| + for (Element element in definedElements) {
|
| + innerScope.define(element);
|
| + }
|
| + }
|
| + _visitor.nameScope = innerScope;
|
| + node.accept(_resolver);
|
| + } finally {
|
| + _visitor.nameScope = outerScope;
|
| + }
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException("Could not resolve node", exception);
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the label of the given statement after the resolver has
|
| + * resolved the statement.
|
| + *
|
| + * @param statement the statement to be resolved
|
| + * @param labelElement the label element to be defined in the statement's label scope
|
| + * @return the element to which the statement's label was resolved
|
| + */
|
| + void _resolveStatement(
|
| + Statement statement, LabelElementImpl labelElement, AstNode labelTarget) {
|
| + try {
|
| + LabelScope outerScope = _visitor.labelScope;
|
| + try {
|
| + LabelScope innerScope;
|
| + if (labelElement == null) {
|
| + innerScope = outerScope;
|
| + } else {
|
| + innerScope = new LabelScope(
|
| + outerScope, labelElement.name, labelTarget, labelElement);
|
| + }
|
| + _visitor.labelScope = innerScope;
|
| + statement.accept(_resolver);
|
| + } finally {
|
| + _visitor.labelScope = outerScope;
|
| + }
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException("Could not resolve node", exception);
|
| + }
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class EnclosedScopeTest extends ResolverTestCase {
|
| + void test_define_duplicate() {
|
| + GatheringErrorListener listener = new GatheringErrorListener();
|
| + Scope rootScope =
|
| + new Scope_EnclosedScopeTest_test_define_duplicate(listener);
|
| + EnclosedScope scope = new EnclosedScope(rootScope);
|
| + VariableElement element1 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + VariableElement element2 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + scope.define(element1);
|
| + scope.define(element2);
|
| + listener.assertErrorsWithSeverities([ErrorSeverity.ERROR]);
|
| + }
|
| +
|
| + void test_define_normal() {
|
| + GatheringErrorListener listener = new GatheringErrorListener();
|
| + Scope rootScope = new Scope_EnclosedScopeTest_test_define_normal(listener);
|
| + EnclosedScope outerScope = new EnclosedScope(rootScope);
|
| + EnclosedScope innerScope = new EnclosedScope(outerScope);
|
| + VariableElement element1 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + VariableElement element2 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v2"));
|
| + outerScope.define(element1);
|
| + innerScope.define(element2);
|
| + listener.assertNoErrors();
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class ErrorResolverTest extends ResolverTestCase {
|
| + void test_breakLabelOnSwitchMember() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m(int i) {
|
| + switch (i) {
|
| + l: case 0:
|
| + break;
|
| + case 1:
|
| + break l;
|
| + }
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [ResolverErrorCode.BREAK_LABEL_ON_SWITCH_MEMBER]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_continueLabelOnSwitch() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m(int i) {
|
| + l: switch (i) {
|
| + case 0:
|
| + continue l;
|
| + }
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [ResolverErrorCode.CONTINUE_LABEL_ON_SWITCH]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_enclosingElement_invalidLocalFunction() {
|
| + Source source = addSource(r'''
|
| +class C {
|
| + C() {
|
| + int get x => 0;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + var unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + var types = unit.types;
|
| + expect(types, isNotNull);
|
| + expect(types, hasLength(1));
|
| + var type = types[0];
|
| + expect(type, isNotNull);
|
| + var constructors = type.constructors;
|
| + expect(constructors, isNotNull);
|
| + expect(constructors, hasLength(1));
|
| + ConstructorElement constructor = constructors[0];
|
| + expect(constructor, isNotNull);
|
| + List<FunctionElement> functions = constructor.functions;
|
| + expect(functions, isNotNull);
|
| + expect(functions, hasLength(1));
|
| + expect(functions[0].enclosingElement, constructor);
|
| + assertErrors(source, [ParserErrorCode.GETTER_IN_FUNCTION]);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class HintCodeTest extends ResolverTestCase {
|
| + void fail_deadCode_statementAfterRehrow() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + try {
|
| + var one = 1;
|
| + } catch (e) {
|
| + rethrow;
|
| + var two = 2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void fail_deadCode_statementAfterThrow() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var one = 1;
|
| + throw 'Stop here';
|
| + var two = 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void fail_isInt() {
|
| + Source source = addSource("var v = 1 is int;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.IS_INT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void fail_isNotInt() {
|
| + Source source = addSource("var v = 1 is! int;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.IS_NOT_INT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void fail_overrideEqualsButNotHashCode() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + bool operator ==(x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.OVERRIDE_EQUALS_BUT_NOT_HASH_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void fail_unusedImport_as_equalPrefixes() {
|
| + // See todo at ImportsVerifier.prefixElementMap.
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart' as one;
|
| +import 'lib2.dart' as one;
|
| +one.A a;''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + Source source3 = addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_IMPORT]);
|
| + assertNoErrors(source2);
|
| + assertNoErrors(source3);
|
| + verify([source, source2, source3]);
|
| + }
|
| +
|
| + void test_argumentTypeNotAssignable_functionType() {
|
| + Source source = addSource(r'''
|
| +m() {
|
| + var a = new A();
|
| + a.n(() => 0);
|
| +}
|
| +class A {
|
| + n(void f(int i)) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.ARGUMENT_TYPE_NOT_ASSIGNABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_argumentTypeNotAssignable_message() {
|
| + // The implementation of HintCode.ARGUMENT_TYPE_NOT_ASSIGNABLE assumes that
|
| + // StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE has the same message.
|
| + expect(StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE.message,
|
| + HintCode.ARGUMENT_TYPE_NOT_ASSIGNABLE.message);
|
| + }
|
| +
|
| + void test_argumentTypeNotAssignable_type() {
|
| + Source source = addSource(r'''
|
| +m() {
|
| + var i = '';
|
| + n(i);
|
| +}
|
| +n(int i) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.ARGUMENT_TYPE_NOT_ASSIGNABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_conditionalElse() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + true ? 1 : 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_conditionalElse_nested() {
|
| + // test that a dead else-statement can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + true ? true : false && false;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_conditionalIf() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + false ? 1 : 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_conditionalIf_nested() {
|
| + // test that a dead then-statement can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + false ? false && false : true;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_else() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + if(true) {} else {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_else_nested() {
|
| + // test that a dead else-statement can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + if(true) {} else {if (false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + if(false) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if_nested() {
|
| + // test that a dead then-statement can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + if(false) {if(false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_while() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + while(false) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_while_nested() {
|
| + // test that a dead while body can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + while(false) {if(false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_catchFollowingCatch() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f() {
|
| + try {} catch (e) {} catch (e) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_CATCH_FOLLOWING_CATCH]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_catchFollowingCatch_nested() {
|
| + // test that a dead catch clause can't generate additional violations
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f() {
|
| + try {} catch (e) {} catch (e) {if(false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_CATCH_FOLLOWING_CATCH]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_catchFollowingCatch_object() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + try {} on Object catch (e) {} catch (e) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_CATCH_FOLLOWING_CATCH]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_catchFollowingCatch_object_nested() {
|
| + // test that a dead catch clause can't generate additional violations
|
| + Source source = addSource(r'''
|
| +f() {
|
| + try {} on Object catch (e) {} catch (e) {if(false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_CATCH_FOLLOWING_CATCH]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_onCatchSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {}
|
| +f() {
|
| + try {} on A catch (e) {} on B catch (e) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_ON_CATCH_SUBTYPE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_onCatchSubtype_nested() {
|
| + // test that a dead catch clause can't generate additional violations
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {}
|
| +f() {
|
| + try {} on A catch (e) {} on B catch (e) {if(false) {}}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE_ON_CATCH_SUBTYPE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_and() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + bool b = false && false;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_and_nested() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + bool b = false && (false && false);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_or() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + bool b = true || true;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_or_nested() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + bool b = true || (false && false);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterBreak_inDefaultCase() {
|
| + Source source = addSource(r'''
|
| +f(v) {
|
| + switch(v) {
|
| + case 1:
|
| + default:
|
| + break;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterBreak_inForEachStatement() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var list;
|
| + for(var l in list) {
|
| + break;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterBreak_inForStatement() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + for(;;) {
|
| + break;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterBreak_inSwitchCase() {
|
| + Source source = addSource(r'''
|
| +f(v) {
|
| + switch(v) {
|
| + case 1:
|
| + break;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterBreak_inWhileStatement() {
|
| + Source source = addSource(r'''
|
| +f(v) {
|
| + while(v) {
|
| + break;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterContinue_inForEachStatement() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var list;
|
| + for(var l in list) {
|
| + continue;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterContinue_inForStatement() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + for(;;) {
|
| + continue;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterContinue_inWhileStatement() {
|
| + Source source = addSource(r'''
|
| +f(v) {
|
| + while(v) {
|
| + continue;
|
| + var a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterReturn_function() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var one = 1;
|
| + return;
|
| + var two = 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterReturn_ifStatement() {
|
| + Source source = addSource(r'''
|
| +f(bool b) {
|
| + if(b) {
|
| + var one = 1;
|
| + return;
|
| + var two = 2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterReturn_method() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + m() {
|
| + var one = 1;
|
| + return;
|
| + var two = 2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterReturn_nested() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var one = 1;
|
| + return;
|
| + if(false) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_statementAfterReturn_twoReturns() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var one = 1;
|
| + return;
|
| + var two = 2;
|
| + return;
|
| + var three = 3;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEAD_CODE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_assignment() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + A operator+(A a) { return a; }
|
| +}
|
| +f(A a) {
|
| + A b;
|
| + a += b;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_Deprecated() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @Deprecated('0.9')
|
| + m() {}
|
| + n() {m();}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_deprecated() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + m() {}
|
| + n() {m();}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_export() {
|
| + Source source = addSource("export 'deprecated_library.dart';");
|
| + addNamedSource(
|
| + "/deprecated_library.dart",
|
| + r'''
|
| +@deprecated
|
| +library deprecated_library;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_getter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + get m => 1;
|
| +}
|
| +f(A a) {
|
| + return a.m;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_import() {
|
| + Source source = addSource(r'''
|
| +import 'deprecated_library.dart';
|
| +f(A a) {}''');
|
| + addNamedSource(
|
| + "/deprecated_library.dart",
|
| + r'''
|
| +@deprecated
|
| +library deprecated_library;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_indexExpression() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + operator[](int i) {}
|
| +}
|
| +f(A a) {
|
| + return a[1];
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_instanceCreation() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + A(int i) {}
|
| +}
|
| +f() {
|
| + A a = new A(1);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_instanceCreation_namedConstructor() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + A.named(int i) {}
|
| +}
|
| +f() {
|
| + A a = new A.named(1);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_operator() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + operator+(A a) {}
|
| +}
|
| +f(A a) {
|
| + A b;
|
| + return a + b;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_setter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + set s(v) {}
|
| +}
|
| +f(A a) {
|
| + return a.s = 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_superConstructor() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + A() {}
|
| +}
|
| +class B extends A {
|
| + B() : super() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deprecatedAnnotationUse_superConstructor_namedConstructor() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + @deprecated
|
| + A.named() {}
|
| +}
|
| +class B extends A {
|
| + B() : super.named() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DEPRECATED_MEMBER_USE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_double() {
|
| + Source source = addSource(r'''
|
| +f(double x, double y) {
|
| + var v = (x / y).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DIVISION_OPTIMIZATION]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_int() {
|
| + Source source = addSource(r'''
|
| +f(int x, int y) {
|
| + var v = (x / y).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DIVISION_OPTIMIZATION]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_propagatedType() {
|
| + // Tests the propagated type information of the '/' method
|
| + Source source = addSource(r'''
|
| +f(x, y) {
|
| + x = 1;
|
| + y = 1;
|
| + var v = (x / y).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DIVISION_OPTIMIZATION]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_wrappedBinaryExpression() {
|
| + Source source = addSource(r'''
|
| +f(int x, int y) {
|
| + var v = (((x / y))).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DIVISION_OPTIMIZATION]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart';
|
| +A a;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DUPLICATE_IMPORT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport2() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart';
|
| +import 'lib1.dart';
|
| +A a;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(
|
| + source, [HintCode.DUPLICATE_IMPORT, HintCode.DUPLICATE_IMPORT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport3() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart' as M show A hide B;
|
| +import 'lib1.dart' as M show A hide B;
|
| +M.A a;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.DUPLICATE_IMPORT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_importDeferredLibraryWithLoadFunction() {
|
| + resolveWithErrors(<String>[
|
| + r'''
|
| +library lib1;
|
| +loadLibrary() {}
|
| +f() {}''',
|
| + r'''
|
| +library root;
|
| +import 'lib1.dart' deferred as lib1;
|
| +main() { lib1.f(); }'''
|
| + ], <ErrorCode>[
|
| + HintCode.IMPORT_DEFERRED_LIBRARY_WITH_LOAD_FUNCTION
|
| + ]);
|
| + }
|
| +
|
| + void test_invalidAssignment_instanceVariable() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int x;
|
| +}
|
| +f(var y) {
|
| + A a;
|
| + if(y is String) {
|
| + a.x = y;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_invalidAssignment_localVariable() {
|
| + Source source = addSource(r'''
|
| +f(var y) {
|
| + if(y is String) {
|
| + int x = y;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_invalidAssignment_message() {
|
| + // The implementation of HintCode.INVALID_ASSIGNMENT assumes that
|
| + // StaticTypeWarningCode.INVALID_ASSIGNMENT has the same message.
|
| + expect(StaticTypeWarningCode.INVALID_ASSIGNMENT.message,
|
| + HintCode.INVALID_ASSIGNMENT.message);
|
| + }
|
| +
|
| + void test_invalidAssignment_staticVariable() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static int x;
|
| +}
|
| +f(var y) {
|
| + if(y is String) {
|
| + A.x = y;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_invalidAssignment_variableDeclaration() {
|
| + // 17971
|
| + Source source = addSource(r'''
|
| +class Point {
|
| + final num x, y;
|
| + Point(this.x, this.y);
|
| + Point operator +(Point other) {
|
| + return new Point(x+other.x, y+other.y);
|
| + }
|
| +}
|
| +main() {
|
| + var p1 = new Point(0, 0);
|
| + var p2 = new Point(10, 10);
|
| + int n = p1 + p2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isDouble() {
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| + options.dart2jsHint = true;
|
| + resetWithOptions(options);
|
| + Source source = addSource("var v = 1 is double;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.IS_DOUBLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isNotDouble() {
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| + options.dart2jsHint = true;
|
| + resetWithOptions(options);
|
| + Source source = addSource("var v = 1 is! double;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.IS_NOT_DOUBLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_async() {
|
| + Source source = addSource('''
|
| +import 'dart:async';
|
| +Future<int> f() async {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.MISSING_RETURN]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_function() {
|
| + Source source = addSource("int f() {}");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.MISSING_RETURN]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_method() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int m() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.MISSING_RETURN]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingGetter_invalid() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| +}
|
| +class B extends A {
|
| + @override
|
| + int get m => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.OVERRIDE_ON_NON_OVERRIDING_GETTER]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingMethod_invalid() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| +}
|
| +class B extends A {
|
| + @override
|
| + int m() => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.OVERRIDE_ON_NON_OVERRIDING_METHOD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingSetter_invalid() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| +}
|
| +class B extends A {
|
| + @override
|
| + set m(int x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.OVERRIDE_ON_NON_OVERRIDING_SETTER]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_typeCheck_type_is_Null() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is Null;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.TYPE_CHECK_IS_NULL]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_typeCheck_type_not_Null() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is! Null;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.TYPE_CHECK_IS_NOT_NULL]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_undefinedGetter() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + return a.m;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_GETTER]);
|
| + }
|
| +
|
| + void test_undefinedGetter_message() {
|
| + // The implementation of HintCode.UNDEFINED_SETTER assumes that
|
| + // UNDEFINED_SETTER in StaticTypeWarningCode and StaticWarningCode are the
|
| + // same, this verifies that assumption.
|
| + expect(StaticWarningCode.UNDEFINED_GETTER.message,
|
| + StaticTypeWarningCode.UNDEFINED_GETTER.message);
|
| + }
|
| +
|
| + void test_undefinedMethod() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var a = 'str';
|
| + a.notAMethodOnString();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_METHOD]);
|
| + }
|
| +
|
| + void test_undefinedMethod_assignmentExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B {
|
| + f(var a, var a2) {
|
| + a = new A();
|
| + a2 = new A();
|
| + a += a2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_METHOD]);
|
| + }
|
| +
|
| + void test_undefinedOperator_binaryExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a + 1;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexBoth() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0]++;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexGetter() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0];
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexSetter() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0] = 1;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedOperator_postfixExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a++;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedOperator_prefixExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + ++a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_undefinedSetter() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a.m = 0;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNDEFINED_SETTER]);
|
| + }
|
| +
|
| + void test_undefinedSetter_message() {
|
| + // The implementation of HintCode.UNDEFINED_SETTER assumes that
|
| + // UNDEFINED_SETTER in StaticTypeWarningCode and StaticWarningCode are the
|
| + // same, this verifies that assumption.
|
| + expect(StaticWarningCode.UNDEFINED_SETTER.message,
|
| + StaticTypeWarningCode.UNDEFINED_SETTER.message);
|
| + }
|
| +
|
| + void test_unnecessaryCast_type_supertype() {
|
| + Source source = addSource(r'''
|
| +m(int i) {
|
| + var b = i as Object;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_CAST]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryCast_type_type() {
|
| + Source source = addSource(r'''
|
| +m(num i) {
|
| + var b = i as num;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_CAST]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_null_is_Null() {
|
| + Source source = addSource("bool b = null is Null;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_null_not_Null() {
|
| + Source source = addSource("bool b = null is! Null;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_FALSE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_type_is_dynamic() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is dynamic;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_type_is_object() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is Object;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_type_not_dynamic() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is! dynamic;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_FALSE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryTypeCheck_type_not_object() {
|
| + Source source = addSource(r'''
|
| +m(i) {
|
| + bool b = i is! Object;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNNECESSARY_TYPE_CHECK_FALSE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_extends() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +class B extends _A {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_implements() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +class B implements _A {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_instanceCreation() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +main() {
|
| + new _A();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_staticFieldAccess() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {
|
| + static const F = 42;
|
| +}
|
| +main() {
|
| + _A.F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_staticMethodInvocation() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {
|
| + static m() {}
|
| +}
|
| +main() {
|
| + _A.m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_isUsed_typeArgument() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +main() {
|
| + var v = new List<_A>();
|
| + print(v);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_notUsed_inClassMember() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {
|
| + static staticMethod() {
|
| + new _A();
|
| + }
|
| + instanceMethod() {
|
| + new _A();
|
| + }
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_notUsed_inConstructorName() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {
|
| + _A() {}
|
| + _A.named() {}
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_notUsed_isExpression() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +main(p) {
|
| + if (p is _A) {
|
| + }
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_class_notUsed_variableDeclaration() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class _A {}
|
| +main() {
|
| + _A v;
|
| + print(v);
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_enum_isUsed_fieldReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +enum _MyEnum {A, B, C}
|
| +main() {
|
| + print(_MyEnum.B);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_enum_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +enum _MyEnum {A, B, C}
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionLocal_isUsed_closure() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + print(() {});
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionLocal_isUsed_invocation() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + f() {}
|
| + f();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionLocal_isUsed_reference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + f() {}
|
| + print(f);
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionLocal_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + f() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionLocal_notUsed_referenceFromItself() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + _f(int p) {
|
| + _f(p - 1);
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTop_isUsed_invocation() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +_f() {}
|
| +main() {
|
| + _f();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTop_isUsed_reference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +_f() {}
|
| +main() {
|
| + print(_f);
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTop_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +_f() {}
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTop_notUsed_referenceFromItself() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +_f(int p) {
|
| + _f(p - 1);
|
| +}
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTypeAlias_isUsed_isExpression() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +typedef _F(a, b);
|
| +main(f) {
|
| + if (f is _F) {
|
| + print('F');
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTypeAlias_isUsed_reference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +typedef _F(a, b);
|
| +main(_F f) {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTypeAlias_isUsed_typeArgument() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +typedef _F(a, b);
|
| +main() {
|
| + var v = new List<_F>();
|
| + print(v);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTypeAlias_isUsed_variableDeclaration() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +typedef _F(a, b);
|
| +class A {
|
| + _F f;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_functionTypeAlias_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +typedef _F(a, b);
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_getter_isUsed_invocation_implicitThis() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + get _g => null;
|
| + useGetter() {
|
| + var v = _g;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_getter_isUsed_invocation_PrefixedIdentifier() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + get _g => null;
|
| +}
|
| +main(A a) {
|
| + var v = a._g;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_getter_isUsed_invocation_PropertyAccess() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + get _g => null;
|
| +}
|
| +main() {
|
| + var v = new A()._g;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_getter_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + get _g => null;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_getter_notUsed_referenceFromItself() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + get _g {
|
| + return _g;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_hasReference_implicitThis() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| + useMethod() {
|
| + print(_m);
|
| + }
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_hasReference_implicitThis_subclass() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| + useMethod() {
|
| + print(_m);
|
| + }
|
| +}
|
| +class B extends A {
|
| + _m() {}
|
| +}
|
| +print(x) {}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_hasReference_PrefixedIdentifier() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| +}
|
| +main(A a) {
|
| + a._m;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_hasReference_PropertyAccess() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| +}
|
| +main() {
|
| + new A()._m;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_implicitThis() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| + useMethod() {
|
| + _m();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_implicitThis_subclass() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| + useMethod() {
|
| + _m();
|
| + }
|
| +}
|
| +class B extends A {
|
| + _m() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_MemberElement() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A<T> {
|
| + _m(T t) {}
|
| +}
|
| +main(A<int> a) {
|
| + a._m(0);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_propagated() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| +}
|
| +main() {
|
| + var a = new A();
|
| + a._m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_static() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| +}
|
| +main() {
|
| + A a = new A();
|
| + a._m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_invocation_subclass() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + _m() {}
|
| +}
|
| +class B extends A {
|
| + _m() {}
|
| +}
|
| +main(A a) {
|
| + a._m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_notPrivate() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + m() {}
|
| +}
|
| +main() {
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_isUsed_staticInvocation() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static _m() {}
|
| +}
|
| +main() {
|
| + A._m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static _m() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_method_notUsed_referenceFromItself() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static _m(int p) {
|
| + _m(p - 1);
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_setter_isUsed_invocation_implicitThis() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + set _s(x) {}
|
| + useSetter() {
|
| + _s = 42;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_setter_isUsed_invocation_PrefixedIdentifier() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + set _s(x) {}
|
| +}
|
| +main(A a) {
|
| + a._s = 42;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_setter_isUsed_invocation_PropertyAccess() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + set _s(x) {}
|
| +}
|
| +main() {
|
| + new A()._s = 42;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_setter_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + set _s(x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedElement_setter_notUsed_referenceFromItself() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + set _s(int x) {
|
| + if (x > 5) {
|
| + _s = x - 1;
|
| + }
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_ELEMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_argument() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f = 0;
|
| + main() {
|
| + print(++_f);
|
| + }
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_implicitThis() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| + main() {
|
| + print(_f);
|
| + }
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_implicitThis_expressionFunctionBody() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| + m() => _f;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_implicitThis_subclass() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| + main() {
|
| + print(_f);
|
| + }
|
| +}
|
| +class B extends A {
|
| + int _f;
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_qualified_propagatedElement() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| +}
|
| +main() {
|
| + var a = new A();
|
| + print(a._f);
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_qualified_staticElement() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| +}
|
| +main() {
|
| + A a = new A();
|
| + print(a._f);
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_isUsed_reference_qualified_unresolved() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| +}
|
| +main(a) {
|
| + print(a._f);
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_notUsed_compoundAssign() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| + main() {
|
| + _f += 2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_FIELD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_notUsed_noReference() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_FIELD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_notUsed_postfixExpr() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f = 0;
|
| + main() {
|
| + _f++;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_FIELD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_notUsed_prefixExpr() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f = 0;
|
| + main() {
|
| + ++_f;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_FIELD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedField_notUsed_simpleAssignment() {
|
| + enableUnusedElement = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int _f;
|
| + m() {
|
| + _f = 1;
|
| + }
|
| +}
|
| +main(A a) {
|
| + a._f = 2;
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_FIELD]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';''');
|
| + Source source2 = addNamedSource("/lib1.dart", "library lib1;");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_IMPORT]);
|
| + assertNoErrors(source2);
|
| + verify([source, source2]);
|
| + }
|
| +
|
| + void test_unusedImport_as() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart' as one;
|
| +one.A a;''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_IMPORT]);
|
| + assertNoErrors(source2);
|
| + verify([source, source2]);
|
| + }
|
| +
|
| + void test_unusedImport_hide() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart' hide A;
|
| +A a;''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_IMPORT]);
|
| + assertNoErrors(source2);
|
| + verify([source, source2]);
|
| + }
|
| +
|
| + void test_unusedImport_show() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart' show A;
|
| +import 'lib1.dart' show B;
|
| +A a;''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_IMPORT]);
|
| + assertNoErrors(source2);
|
| + verify([source, source2]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inCatch_exception() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + try {
|
| + } on String catch (exception) {
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_CATCH_CLAUSE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inCatch_exception_hasStack() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + try {
|
| + } catch (exception, stack) {
|
| + print(stack);
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inCatch_exception_noOnClause() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + try {
|
| + } catch (exception) {
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inCatch_stackTrace() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + try {
|
| + } catch (exception, stackTrace) {
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_CATCH_STACK]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inCatch_stackTrace_used() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + try {
|
| + } catch (exception, stackTrace) {
|
| + print('exception at $stackTrace');
|
| + }
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inFor_underscore_ignored() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + for (var _ in [1,2,3]) {
|
| + for (var __ in [4,5,6]) {
|
| + // do something
|
| + }
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inFunction() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var v = 1;
|
| + v = 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_LOCAL_VARIABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_inMethod() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + foo() {
|
| + var v = 1;
|
| + v = 2;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_LOCAL_VARIABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isInvoked() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +typedef Foo();
|
| +main() {
|
| + Foo foo;
|
| + foo();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isRead_notUsed_compoundAssign() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var v = 1;
|
| + v += 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_LOCAL_VARIABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isRead_notUsed_postfixExpr() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var v = 1;
|
| + v++;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_LOCAL_VARIABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isRead_notUsed_prefixExpr() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var v = 1;
|
| + ++v;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.UNUSED_LOCAL_VARIABLE]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isRead_usedArgument() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var v = 1;
|
| + print(++v);
|
| +}
|
| +print(x) {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedLocalVariable_isRead_usedInvocationTarget() {
|
| + enableUnusedLocalVariable = true;
|
| + Source source = addSource(r'''
|
| +class A {
|
| + foo() {}
|
| +}
|
| +main() {
|
| + var a = new A();
|
| + a.foo();
|
| +}
|
| +''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_assignmentExpression_function() {
|
| + Source source = addSource(r'''
|
| +void f() {}
|
| +class A {
|
| + n() {
|
| + var a;
|
| + a = f();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_assignmentExpression_method() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m() {}
|
| + n() {
|
| + var a;
|
| + a = m();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_inForLoop() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m() {}
|
| + n() {
|
| + for(var a = m();;) {}
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_variableDeclaration_function() {
|
| + Source source = addSource(r'''
|
| +void f() {}
|
| +class A {
|
| + n() {
|
| + var a = f();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_variableDeclaration_method() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m() {}
|
| + n() {
|
| + var a = m();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_variableDeclaration_method2() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m() {}
|
| + n() {
|
| + var a = m(), b = m();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(
|
| + source, [HintCode.USE_OF_VOID_RESULT, HintCode.USE_OF_VOID_RESULT]);
|
| + verify([source]);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class InheritanceManagerTest extends EngineTestCase {
|
| + /**
|
| + * The type provider used to access the types.
|
| + */
|
| + TestTypeProvider _typeProvider;
|
| +
|
| + /**
|
| + * The library containing the code being resolved.
|
| + */
|
| + LibraryElementImpl _definingLibrary;
|
| +
|
| + /**
|
| + * The inheritance manager being tested.
|
| + */
|
| + InheritanceManager _inheritanceManager;
|
| +
|
| + /**
|
| + * The number of members that Object implements (as determined by [TestTypeProvider]).
|
| + */
|
| + int _numOfMembersInObject = 0;
|
| +
|
| + @override
|
| + void setUp() {
|
| + _typeProvider = new TestTypeProvider();
|
| + _inheritanceManager = _createInheritanceManager();
|
| + InterfaceType objectType = _typeProvider.objectType;
|
| + _numOfMembersInObject =
|
| + objectType.methods.length + objectType.accessors.length;
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_accessor_extends() {
|
| + // class A { int get g; }
|
| + // class B extends A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_accessor_implements() {
|
| + // class A { int get g; }
|
| + // class B implements A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject);
|
| + expect(mapB.get(getterName), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_accessor_with() {
|
| + // class A { int get g; }
|
| + // class B extends Object with A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_implicitExtends() {
|
| + // class A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_method_extends() {
|
| + // class A { int g(); }
|
| + // class B extends A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.supertype = classA.type;
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_method_implements() {
|
| + // class A { int g(); }
|
| + // class B implements A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject);
|
| + expect(mapB.get(methodName), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_method_with() {
|
| + // class A { int g(); }
|
| + // class B extends Object with A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromClasses_method_with_two_mixins() {
|
| + // class A1 { int m(); }
|
| + // class A2 { int m(); }
|
| + // class B extends Object with A1, A2 {}
|
| + ClassElementImpl classA1 = ElementFactory.classElement2("A1");
|
| + String methodName = "m";
|
| + MethodElement methodA1M =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA1.methods = <MethodElement>[methodA1M];
|
| + ClassElementImpl classA2 = ElementFactory.classElement2("A2");
|
| + MethodElement methodA2M =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA2.methods = <MethodElement>[methodA2M];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA1.type, classA2.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromClasses(classB);
|
| + expect(mapB.get(methodName), same(methodA2M));
|
| + _assertNoErrors(classA1);
|
| + _assertNoErrors(classA2);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_accessor_extends() {
|
| + // class A { int get g; }
|
| + // class B extends A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_accessor_implements() {
|
| + // class A { int get g; }
|
| + // class B implements A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_accessor_with() {
|
| + // class A { int get g; }
|
| + // class B extends Object with A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_implicitExtends() {
|
| + // class A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_inconsistentMethodInheritance_getter_method() {
|
| + // class I1 { int m(); }
|
| + // class I2 { int get m; }
|
| + // class A implements I2, I1 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(methodName, false, _typeProvider.intType);
|
| + classI2.accessors = <PropertyAccessorElement>[getter];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI2.type, classI1.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapA.get(methodName), isNull);
|
| + _assertErrors(classA,
|
| + [StaticWarningCode.INCONSISTENT_METHOD_INHERITANCE_GETTER_AND_METHOD]);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_inconsistentMethodInheritance_int_str() {
|
| + // class I1 { int m(); }
|
| + // class I2 { String m(); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM1 =
|
| + ElementFactory.methodElement(methodName, null, [_typeProvider.intType]);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElement methodM2 = ElementFactory.methodElement(
|
| + methodName, null, [_typeProvider.stringType]);
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapA.get(methodName), isNull);
|
| + _assertErrors(
|
| + classA, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_inconsistentMethodInheritance_method_getter() {
|
| + // class I1 { int m(); }
|
| + // class I2 { int get m; }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement getter =
|
| + ElementFactory.getterElement(methodName, false, _typeProvider.intType);
|
| + classI2.accessors = <PropertyAccessorElement>[getter];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapA.get(methodName), isNull);
|
| + _assertErrors(classA,
|
| + [StaticWarningCode.INCONSISTENT_METHOD_INHERITANCE_GETTER_AND_METHOD]);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_inconsistentMethodInheritance_numOfRequiredParams() {
|
| + // class I1 { dynamic m(int, [int]); }
|
| + // class I2 { dynamic m(int, int, int); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElementImpl methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a1"));
|
| + parameter1.type = _typeProvider.intType;
|
| + parameter1.parameterKind = ParameterKind.REQUIRED;
|
| + ParameterElementImpl parameter2 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a2"));
|
| + parameter2.type = _typeProvider.intType;
|
| + parameter2.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM1.parameters = <ParameterElement>[parameter1, parameter2];
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElementImpl methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter3 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a3"));
|
| + parameter3.type = _typeProvider.intType;
|
| + parameter3.parameterKind = ParameterKind.REQUIRED;
|
| + ParameterElementImpl parameter4 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a4"));
|
| + parameter4.type = _typeProvider.intType;
|
| + parameter4.parameterKind = ParameterKind.REQUIRED;
|
| + ParameterElementImpl parameter5 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a5"));
|
| + parameter5.type = _typeProvider.intType;
|
| + parameter5.parameterKind = ParameterKind.REQUIRED;
|
| + methodM2.parameters = <ParameterElement>[
|
| + parameter3,
|
| + parameter4,
|
| + parameter5
|
| + ];
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapA.get(methodName), isNull);
|
| + _assertErrors(
|
| + classA, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_inconsistentMethodInheritance_str_int() {
|
| + // class I1 { int m(); }
|
| + // class I2 { String m(); }
|
| + // class A implements I2, I1 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM1 = ElementFactory.methodElement(
|
| + methodName, null, [_typeProvider.stringType]);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElement methodM2 =
|
| + ElementFactory.methodElement(methodName, null, [_typeProvider.intType]);
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI2.type, classI1.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapA.get(methodName), isNull);
|
| + _assertErrors(
|
| + classA, [StaticTypeWarningCode.INCONSISTENT_METHOD_INHERITANCE]);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_method_extends() {
|
| + // class A { int g(); }
|
| + // class B extends A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_method_implements() {
|
| + // class A { int g(); }
|
| + // class B implements A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_method_with() {
|
| + // class A { int g(); }
|
| + // class B extends Object with A {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + MemberMap mapB =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classB);
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject);
|
| + expect(mapB.size, _numOfMembersInObject + 1);
|
| + expect(mapB.get(methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_differentNames() {
|
| + // class I1 { int m1(); }
|
| + // class I2 { int m2(); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName1 = "m1";
|
| + MethodElement methodM1 =
|
| + ElementFactory.methodElement(methodName1, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + String methodName2 = "m2";
|
| + MethodElement methodM2 =
|
| + ElementFactory.methodElement(methodName2, _typeProvider.intType);
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 2);
|
| + expect(mapA.get(methodName1), same(methodM1));
|
| + expect(mapA.get(methodName2), same(methodM2));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_2_getters() {
|
| + // class I1 { int get g; }
|
| + // class I2 { num get g; }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String accessorName = "g";
|
| + PropertyAccessorElement getter1 = ElementFactory.getterElement(
|
| + accessorName, false, _typeProvider.intType);
|
| + classI1.accessors = <PropertyAccessorElement>[getter1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement getter2 = ElementFactory.getterElement(
|
| + accessorName, false, _typeProvider.numType);
|
| + classI2.accessors = <PropertyAccessorElement>[getter2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + PropertyAccessorElement syntheticAccessor = ElementFactory.getterElement(
|
| + accessorName, false, _typeProvider.dynamicType);
|
| + expect(mapA.get(accessorName).type, syntheticAccessor.type);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_2_methods() {
|
| + // class I1 { dynamic m(int); }
|
| + // class I2 { dynamic m(num); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElementImpl methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a0"));
|
| + parameter1.type = _typeProvider.intType;
|
| + parameter1.parameterKind = ParameterKind.REQUIRED;
|
| + methodM1.parameters = <ParameterElement>[parameter1];
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElementImpl methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter2 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a0"));
|
| + parameter2.type = _typeProvider.numType;
|
| + parameter2.parameterKind = ParameterKind.REQUIRED;
|
| + methodM2.parameters = <ParameterElement>[parameter2];
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + MethodElement syntheticMethod = ElementFactory.methodElement(
|
| + methodName, _typeProvider.dynamicType, [_typeProvider.dynamicType]);
|
| + expect(mapA.get(methodName).type, syntheticMethod.type);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_2_setters() {
|
| + // class I1 { set s(int); }
|
| + // class I2 { set s(num); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String accessorName = "s";
|
| + PropertyAccessorElement setter1 = ElementFactory.setterElement(
|
| + accessorName, false, _typeProvider.intType);
|
| + classI1.accessors = <PropertyAccessorElement>[setter1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement setter2 = ElementFactory.setterElement(
|
| + accessorName, false, _typeProvider.numType);
|
| + classI2.accessors = <PropertyAccessorElement>[setter2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + PropertyAccessorElementImpl syntheticAccessor = ElementFactory
|
| + .setterElement(accessorName, false, _typeProvider.dynamicType);
|
| + syntheticAccessor.returnType = _typeProvider.dynamicType;
|
| + expect(mapA.get("$accessorName=").type, syntheticAccessor.type);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_3_getters() {
|
| + // class A {}
|
| + // class B extends A {}
|
| + // class C extends B {}
|
| + // class I1 { A get g; }
|
| + // class I2 { B get g; }
|
| + // class I3 { C get g; }
|
| + // class D implements I1, I2, I3 {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String accessorName = "g";
|
| + PropertyAccessorElement getter1 =
|
| + ElementFactory.getterElement(accessorName, false, classA.type);
|
| + classI1.accessors = <PropertyAccessorElement>[getter1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement getter2 =
|
| + ElementFactory.getterElement(accessorName, false, classB.type);
|
| + classI2.accessors = <PropertyAccessorElement>[getter2];
|
| + ClassElementImpl classI3 = ElementFactory.classElement2("I3");
|
| + PropertyAccessorElement getter3 =
|
| + ElementFactory.getterElement(accessorName, false, classC.type);
|
| + classI3.accessors = <PropertyAccessorElement>[getter3];
|
| + ClassElementImpl classD = ElementFactory.classElement2("D");
|
| + classD.interfaces = <InterfaceType>[
|
| + classI1.type,
|
| + classI2.type,
|
| + classI3.type
|
| + ];
|
| + MemberMap mapD =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classD);
|
| + expect(mapD.size, _numOfMembersInObject + 1);
|
| + PropertyAccessorElement syntheticAccessor = ElementFactory.getterElement(
|
| + accessorName, false, _typeProvider.dynamicType);
|
| + expect(mapD.get(accessorName).type, syntheticAccessor.type);
|
| + _assertNoErrors(classD);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_3_methods() {
|
| + // class A {}
|
| + // class B extends A {}
|
| + // class C extends B {}
|
| + // class I1 { dynamic m(A a); }
|
| + // class I2 { dynamic m(B b); }
|
| + // class I3 { dynamic m(C c); }
|
| + // class D implements I1, I2, I3 {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElementImpl methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a0"));
|
| + parameter1.type = classA.type;
|
| + parameter1.parameterKind = ParameterKind.REQUIRED;
|
| + methodM1.parameters = <ParameterElement>[parameter1];
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElementImpl methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter2 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a0"));
|
| + parameter2.type = classB.type;
|
| + parameter2.parameterKind = ParameterKind.REQUIRED;
|
| + methodM2.parameters = <ParameterElement>[parameter2];
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classI3 = ElementFactory.classElement2("I3");
|
| + MethodElementImpl methodM3 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.dynamicType);
|
| + ParameterElementImpl parameter3 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a0"));
|
| + parameter3.type = classC.type;
|
| + parameter3.parameterKind = ParameterKind.REQUIRED;
|
| + methodM3.parameters = <ParameterElement>[parameter3];
|
| + classI3.methods = <MethodElement>[methodM3];
|
| + ClassElementImpl classD = ElementFactory.classElement2("D");
|
| + classD.interfaces = <InterfaceType>[
|
| + classI1.type,
|
| + classI2.type,
|
| + classI3.type
|
| + ];
|
| + MemberMap mapD =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classD);
|
| + expect(mapD.size, _numOfMembersInObject + 1);
|
| + MethodElement syntheticMethod = ElementFactory.methodElement(
|
| + methodName, _typeProvider.dynamicType, [_typeProvider.dynamicType]);
|
| + expect(mapD.get(methodName).type, syntheticMethod.type);
|
| + _assertNoErrors(classD);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_multipleSubtypes_3_setters() {
|
| + // class A {}
|
| + // class B extends A {}
|
| + // class C extends B {}
|
| + // class I1 { set s(A); }
|
| + // class I2 { set s(B); }
|
| + // class I3 { set s(C); }
|
| + // class D implements I1, I2, I3 {}
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String accessorName = "s";
|
| + PropertyAccessorElement setter1 =
|
| + ElementFactory.setterElement(accessorName, false, classA.type);
|
| + classI1.accessors = <PropertyAccessorElement>[setter1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + PropertyAccessorElement setter2 =
|
| + ElementFactory.setterElement(accessorName, false, classB.type);
|
| + classI2.accessors = <PropertyAccessorElement>[setter2];
|
| + ClassElementImpl classI3 = ElementFactory.classElement2("I3");
|
| + PropertyAccessorElement setter3 =
|
| + ElementFactory.setterElement(accessorName, false, classC.type);
|
| + classI3.accessors = <PropertyAccessorElement>[setter3];
|
| + ClassElementImpl classD = ElementFactory.classElement2("D");
|
| + classD.interfaces = <InterfaceType>[
|
| + classI1.type,
|
| + classI2.type,
|
| + classI3.type
|
| + ];
|
| + MemberMap mapD =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classD);
|
| + expect(mapD.size, _numOfMembersInObject + 1);
|
| + PropertyAccessorElementImpl syntheticAccessor = ElementFactory
|
| + .setterElement(accessorName, false, _typeProvider.dynamicType);
|
| + syntheticAccessor.returnType = _typeProvider.dynamicType;
|
| + expect(mapD.get("$accessorName=").type, syntheticAccessor.type);
|
| + _assertNoErrors(classD);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_oneSubtype_2_methods() {
|
| + // class I1 { int m(); }
|
| + // class I2 { int m([int]); }
|
| + // class A implements I1, I2 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElementImpl methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a1"));
|
| + parameter1.type = _typeProvider.intType;
|
| + parameter1.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM2.parameters = <ParameterElement>[parameter1];
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI1.type, classI2.type];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + expect(mapA.get(methodName), same(methodM2));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_oneSubtype_3_methods() {
|
| + // class I1 { int m(); }
|
| + // class I2 { int m([int]); }
|
| + // class I3 { int m([int, int]); }
|
| + // class A implements I1, I2, I3 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElementImpl methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElementImpl methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a1"));
|
| + parameter1.type = _typeProvider.intType;
|
| + parameter1.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM1.parameters = <ParameterElement>[parameter1];
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classI3 = ElementFactory.classElement2("I3");
|
| + MethodElementImpl methodM3 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + ParameterElementImpl parameter2 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a2"));
|
| + parameter2.type = _typeProvider.intType;
|
| + parameter2.parameterKind = ParameterKind.POSITIONAL;
|
| + ParameterElementImpl parameter3 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a3"));
|
| + parameter3.type = _typeProvider.intType;
|
| + parameter3.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM3.parameters = <ParameterElement>[parameter2, parameter3];
|
| + classI3.methods = <MethodElement>[methodM3];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[
|
| + classI1.type,
|
| + classI2.type,
|
| + classI3.type
|
| + ];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + expect(mapA.get(methodName), same(methodM3));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_getMapOfMembersInheritedFromInterfaces_union_oneSubtype_4_methods() {
|
| + // class I1 { int m(); }
|
| + // class I2 { int m(); }
|
| + // class I3 { int m([int]); }
|
| + // class I4 { int m([int, int]); }
|
| + // class A implements I1, I2, I3, I4 {}
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName = "m";
|
| + MethodElement methodM1 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + MethodElement methodM2 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + ClassElementImpl classI3 = ElementFactory.classElement2("I3");
|
| + MethodElementImpl methodM3 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + ParameterElementImpl parameter1 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a1"));
|
| + parameter1.type = _typeProvider.intType;
|
| + parameter1.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM3.parameters = <ParameterElement>[parameter1];
|
| + classI3.methods = <MethodElement>[methodM3];
|
| + ClassElementImpl classI4 = ElementFactory.classElement2("I4");
|
| + MethodElementImpl methodM4 =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + ParameterElementImpl parameter2 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a2"));
|
| + parameter2.type = _typeProvider.intType;
|
| + parameter2.parameterKind = ParameterKind.POSITIONAL;
|
| + ParameterElementImpl parameter3 =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("a3"));
|
| + parameter3.type = _typeProvider.intType;
|
| + parameter3.parameterKind = ParameterKind.POSITIONAL;
|
| + methodM4.parameters = <ParameterElement>[parameter2, parameter3];
|
| + classI4.methods = <MethodElement>[methodM4];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[
|
| + classI1.type,
|
| + classI2.type,
|
| + classI3.type,
|
| + classI4.type
|
| + ];
|
| + MemberMap mapA =
|
| + _inheritanceManager.getMapOfMembersInheritedFromInterfaces(classA);
|
| + expect(mapA.size, _numOfMembersInObject + 1);
|
| + expect(mapA.get(methodName), same(methodM4));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupInheritance_interface_getter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, getterName),
|
| + same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_interface_method() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName),
|
| + same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_interface_setter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "s";
|
| + PropertyAccessorElement setterS =
|
| + ElementFactory.setterElement(setterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setterS];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, "$setterName="),
|
| + same(setterS));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_interface_staticMember() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + (methodM as MethodElementImpl).static = true;
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_interfaces_infiniteLoop() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classA, "name"), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupInheritance_interfaces_infiniteLoop2() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classA.interfaces = <InterfaceType>[classB.type];
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classA, "name"), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_interfaces_union2() {
|
| + ClassElementImpl classI1 = ElementFactory.classElement2("I1");
|
| + String methodName1 = "m1";
|
| + MethodElement methodM1 =
|
| + ElementFactory.methodElement(methodName1, _typeProvider.intType);
|
| + classI1.methods = <MethodElement>[methodM1];
|
| + ClassElementImpl classI2 = ElementFactory.classElement2("I2");
|
| + String methodName2 = "m2";
|
| + MethodElement methodM2 =
|
| + ElementFactory.methodElement(methodName2, _typeProvider.intType);
|
| + classI2.methods = <MethodElement>[methodM2];
|
| + classI2.interfaces = <InterfaceType>[classI1.type];
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.interfaces = <InterfaceType>[classI2.type];
|
| + expect(_inheritanceManager.lookupInheritance(classA, methodName1),
|
| + same(methodM1));
|
| + expect(_inheritanceManager.lookupInheritance(classA, methodName2),
|
| + same(methodM2));
|
| + _assertNoErrors(classI1);
|
| + _assertNoErrors(classI2);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupInheritance_mixin_getter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, getterName),
|
| + same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_mixin_method() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName),
|
| + same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_mixin_setter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "s";
|
| + PropertyAccessorElement setterS =
|
| + ElementFactory.setterElement(setterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setterS];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, "$setterName="),
|
| + same(setterS));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_mixin_staticMember() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + (methodM as MethodElementImpl).static = true;
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.mixins = <InterfaceType>[classA.type];
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_noMember() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + expect(_inheritanceManager.lookupInheritance(classA, "a"), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_getter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + expect(_inheritanceManager.lookupInheritance(classB, getterName),
|
| + same(getterG));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_infiniteLoop() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + classA.supertype = classA.type;
|
| + expect(_inheritanceManager.lookupInheritance(classA, "name"), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_infiniteLoop2() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classA.supertype = classB.type;
|
| + classB.supertype = classA.type;
|
| + expect(_inheritanceManager.lookupInheritance(classA, "name"), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_method() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName),
|
| + same(methodM));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_setter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "s";
|
| + PropertyAccessorElement setterS =
|
| + ElementFactory.setterElement(setterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setterS];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + expect(_inheritanceManager.lookupInheritance(classB, "$setterName="),
|
| + same(setterS));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupInheritance_superclass_staticMember() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + (methodM as MethodElementImpl).static = true;
|
| + classA.methods = <MethodElement>[methodM];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + expect(_inheritanceManager.lookupInheritance(classB, methodName), isNull);
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupMember_getter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + expect(_inheritanceManager.lookupMember(classA, getterName), same(getterG));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_getter_static() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String getterName = "g";
|
| + PropertyAccessorElement getterG =
|
| + ElementFactory.getterElement(getterName, true, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[getterG];
|
| + expect(_inheritanceManager.lookupMember(classA, getterName), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_method() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + expect(_inheritanceManager.lookupMember(classA, methodName), same(methodM));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_method_static() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElement methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + (methodM as MethodElementImpl).static = true;
|
| + classA.methods = <MethodElement>[methodM];
|
| + expect(_inheritanceManager.lookupMember(classA, methodName), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_noMember() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + expect(_inheritanceManager.lookupMember(classA, "a"), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_setter() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "s";
|
| + PropertyAccessorElement setterS =
|
| + ElementFactory.setterElement(setterName, false, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setterS];
|
| + expect(_inheritanceManager.lookupMember(classA, "$setterName="),
|
| + same(setterS));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupMember_setter_static() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String setterName = "s";
|
| + PropertyAccessorElement setterS =
|
| + ElementFactory.setterElement(setterName, true, _typeProvider.intType);
|
| + classA.accessors = <PropertyAccessorElement>[setterS];
|
| + expect(_inheritanceManager.lookupMember(classA, setterName), isNull);
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupOverrides_noParentClasses() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElementImpl methodM =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodM];
|
| + expect(
|
| + _inheritanceManager.lookupOverrides(classA, methodName), hasLength(0));
|
| + _assertNoErrors(classA);
|
| + }
|
| +
|
| + void test_lookupOverrides_overrideBaseClass() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElementImpl methodMinA =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodMinA];
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + MethodElementImpl methodMinB =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classB.methods = <MethodElement>[methodMinB];
|
| + List<ExecutableElement> overrides =
|
| + _inheritanceManager.lookupOverrides(classB, methodName);
|
| + expect(overrides, unorderedEquals([methodMinA]));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupOverrides_overrideInterface() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElementImpl methodMinA =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodMinA];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + classB.interfaces = <InterfaceType>[classA.type];
|
| + MethodElementImpl methodMinB =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classB.methods = <MethodElement>[methodMinB];
|
| + List<ExecutableElement> overrides =
|
| + _inheritanceManager.lookupOverrides(classB, methodName);
|
| + expect(overrides, unorderedEquals([methodMinA]));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + }
|
| +
|
| + void test_lookupOverrides_overrideTwoInterfaces() {
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + String methodName = "m";
|
| + MethodElementImpl methodMinA =
|
| + ElementFactory.methodElement(methodName, _typeProvider.intType);
|
| + classA.methods = <MethodElement>[methodMinA];
|
| + ClassElementImpl classB = ElementFactory.classElement2("B");
|
| + MethodElementImpl methodMinB =
|
| + ElementFactory.methodElement(methodName, _typeProvider.doubleType);
|
| + classB.methods = <MethodElement>[methodMinB];
|
| + ClassElementImpl classC = ElementFactory.classElement2("C");
|
| + classC.interfaces = <InterfaceType>[classA.type, classB.type];
|
| + MethodElementImpl methodMinC =
|
| + ElementFactory.methodElement(methodName, _typeProvider.numType);
|
| + classC.methods = <MethodElement>[methodMinC];
|
| + List<ExecutableElement> overrides =
|
| + _inheritanceManager.lookupOverrides(classC, methodName);
|
| + expect(overrides, unorderedEquals([methodMinA, methodMinB]));
|
| + _assertNoErrors(classA);
|
| + _assertNoErrors(classB);
|
| + _assertNoErrors(classC);
|
| + }
|
| +
|
| + void _assertErrors(ClassElement classElt,
|
| + [List<ErrorCode> expectedErrorCodes = ErrorCode.EMPTY_LIST]) {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + HashSet<AnalysisError> actualErrors =
|
| + _inheritanceManager.getErrors(classElt);
|
| + if (actualErrors != null) {
|
| + for (AnalysisError error in actualErrors) {
|
| + errorListener.onError(error);
|
| + }
|
| + }
|
| + errorListener.assertErrorsWithCodes(expectedErrorCodes);
|
| + }
|
| +
|
| + void _assertNoErrors(ClassElement classElt) {
|
| + _assertErrors(classElt);
|
| + }
|
| +
|
| + /**
|
| + * Create the inheritance manager used by the tests.
|
| + *
|
| + * @return the inheritance manager that was created
|
| + */
|
| + InheritanceManager _createInheritanceManager() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + FileBasedSource source =
|
| + new FileBasedSource(FileUtilities2.createFile("/test.dart"));
|
| + CompilationUnitElementImpl definingCompilationUnit =
|
| + new CompilationUnitElementImpl("test.dart");
|
| + definingCompilationUnit.librarySource =
|
| + definingCompilationUnit.source = source;
|
| + _definingLibrary = ElementFactory.library(context, "test");
|
| + _definingLibrary.definingCompilationUnit = definingCompilationUnit;
|
| + return new InheritanceManager(_definingLibrary);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryElementBuilderTest extends EngineTestCase {
|
| + /**
|
| + * The analysis context used to analyze sources.
|
| + */
|
| + InternalAnalysisContext _context;
|
| +
|
| + /**
|
| + * Add a source file to the content provider. The file path should be absolute.
|
| + *
|
| + * @param filePath the path of the file being added
|
| + * @param contents the contents to be returned by the content provider for the specified file
|
| + * @return the source object representing the added file
|
| + */
|
| + Source addSource(String filePath, String contents) {
|
| + Source source = new FileBasedSource(FileUtilities2.createFile(filePath));
|
| + _context.setContents(source, contents);
|
| + return source;
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + _context = AnalysisContextFactory.contextWithCore();
|
| + }
|
| +
|
| + @override
|
| + void tearDown() {
|
| + _context = null;
|
| + super.tearDown();
|
| + }
|
| +
|
| + void test_accessorsAcrossFiles() {
|
| + Source librarySource = addSource(
|
| + "/lib.dart",
|
| + r'''
|
| +library lib;
|
| +part 'first.dart';
|
| +part 'second.dart';''');
|
| + addSource(
|
| + "/first.dart",
|
| + r'''
|
| +part of lib;
|
| +int get V => 0;''');
|
| + addSource(
|
| + "/second.dart",
|
| + r'''
|
| +part of lib;
|
| +void set V(int v) {}''');
|
| + LibraryElement element = _buildLibrary(librarySource);
|
| + expect(element, isNotNull);
|
| + List<CompilationUnitElement> sourcedUnits = element.parts;
|
| + expect(sourcedUnits, hasLength(2));
|
| + List<PropertyAccessorElement> firstAccessors = sourcedUnits[0].accessors;
|
| + expect(firstAccessors, hasLength(1));
|
| + List<PropertyAccessorElement> secondAccessors = sourcedUnits[1].accessors;
|
| + expect(secondAccessors, hasLength(1));
|
| + expect(secondAccessors[0].variable, same(firstAccessors[0].variable));
|
| + }
|
| +
|
| + void test_empty() {
|
| + Source librarySource = addSource("/lib.dart", "library lib;");
|
| + LibraryElement element = _buildLibrary(librarySource);
|
| + expect(element, isNotNull);
|
| + expect(element.name, "lib");
|
| + expect(element.entryPoint, isNull);
|
| + expect(element.importedLibraries, hasLength(0));
|
| + expect(element.imports, hasLength(0));
|
| + expect(element.library, same(element));
|
| + expect(element.prefixes, hasLength(0));
|
| + expect(element.parts, hasLength(0));
|
| + CompilationUnitElement unit = element.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + expect(unit.name, "lib.dart");
|
| + expect(unit.library, element);
|
| + expect(unit.accessors, hasLength(0));
|
| + expect(unit.functions, hasLength(0));
|
| + expect(unit.functionTypeAliases, hasLength(0));
|
| + expect(unit.types, hasLength(0));
|
| + expect(unit.topLevelVariables, hasLength(0));
|
| + }
|
| +
|
| + void test_libraryElement_docRange() {
|
| + String code = r'''
|
| +/// My dart doc.
|
| +library lib;
|
| +
|
| +class A {}''';
|
| + Source librarySource = addSource("/lib.dart", code);
|
| + LibraryElement element = _buildLibrary(librarySource);
|
| + expect(element, isNotNull);
|
| + SourceRange docRange = element.docRange;
|
| + expect(docRange, isNotNull);
|
| + expect(docRange.offset, code.indexOf('/// My dart doc.'));
|
| + expect(docRange.length, '/// My dart doc.'.length);
|
| + }
|
| +
|
| + void test_missingLibraryDirectiveWithPart() {
|
| + addSource("/a.dart", "part of lib;");
|
| + Source librarySource = addSource("/lib.dart", "part 'a.dart';");
|
| + LibraryElement element = _buildLibrary(
|
| + librarySource, [ResolverErrorCode.MISSING_LIBRARY_DIRECTIVE_WITH_PART]);
|
| + expect(element, isNotNull);
|
| + }
|
| +
|
| + void test_missingPartOfDirective() {
|
| + addSource("/a.dart", "class A {}");
|
| + Source librarySource = addSource(
|
| + "/lib.dart",
|
| + r'''
|
| +library lib;
|
| +
|
| +part 'a.dart';''');
|
| + LibraryElement element =
|
| + _buildLibrary(librarySource, [CompileTimeErrorCode.PART_OF_NON_PART]);
|
| + expect(element, isNotNull);
|
| + }
|
| +
|
| + void test_multipleFiles() {
|
| + Source librarySource = addSource(
|
| + "/lib.dart",
|
| + r'''
|
| +library lib;
|
| +part 'first.dart';
|
| +part 'second.dart';
|
| +
|
| +class A {}''');
|
| + addSource(
|
| + "/first.dart",
|
| + r'''
|
| +part of lib;
|
| +class B {}''');
|
| + addSource(
|
| + "/second.dart",
|
| + r'''
|
| +part of lib;
|
| +class C {}''');
|
| + LibraryElement element = _buildLibrary(librarySource);
|
| + expect(element, isNotNull);
|
| + List<CompilationUnitElement> sourcedUnits = element.parts;
|
| + expect(sourcedUnits, hasLength(2));
|
| + _assertTypes(element.definingCompilationUnit, ["A"]);
|
| + if (sourcedUnits[0].name == "first.dart") {
|
| + _assertTypes(sourcedUnits[0], ["B"]);
|
| + _assertTypes(sourcedUnits[1], ["C"]);
|
| + } else {
|
| + _assertTypes(sourcedUnits[0], ["C"]);
|
| + _assertTypes(sourcedUnits[1], ["B"]);
|
| + }
|
| + }
|
| +
|
| + void test_singleFile() {
|
| + Source librarySource = addSource(
|
| + "/lib.dart",
|
| + r'''
|
| +/// My dart doc.
|
| +library lib;
|
| +
|
| +class A {}''');
|
| + LibraryElement element = _buildLibrary(librarySource);
|
| + expect(element, isNotNull);
|
| + _assertTypes(element.definingCompilationUnit, ["A"]);
|
| + }
|
| +
|
| + /**
|
| + * Ensure that there are elements representing all of the types in the given array of type names.
|
| + *
|
| + * @param unit the compilation unit containing the types
|
| + * @param typeNames the names of the types that should be found
|
| + */
|
| + void _assertTypes(CompilationUnitElement unit, List<String> typeNames) {
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> types = unit.types;
|
| + expect(types, hasLength(typeNames.length));
|
| + for (ClassElement type in types) {
|
| + expect(type, isNotNull);
|
| + String actualTypeName = type.displayName;
|
| + bool wasExpected = false;
|
| + for (String expectedTypeName in typeNames) {
|
| + if (expectedTypeName == actualTypeName) {
|
| + wasExpected = true;
|
| + }
|
| + }
|
| + if (!wasExpected) {
|
| + fail("Found unexpected type $actualTypeName");
|
| + }
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Build the element model for the library whose defining compilation unit has the given source.
|
| + *
|
| + * @param librarySource the source of the defining compilation unit for the library
|
| + * @param expectedErrorCodes the errors that are expected to be found while building the element
|
| + * model
|
| + * @return the element model that was built for the library
|
| + * @throws Exception if the element model could not be built
|
| + */
|
| + LibraryElement _buildLibrary(Source librarySource,
|
| + [List<ErrorCode> expectedErrorCodes = ErrorCode.EMPTY_LIST]) {
|
| + LibraryResolver resolver = new LibraryResolver(_context);
|
| + LibraryElementBuilder builder = new LibraryElementBuilder(
|
| + resolver.analysisContext, resolver.errorListener);
|
| + Library library = resolver.createLibrary(librarySource);
|
| + LibraryElement element = builder.buildLibrary(library);
|
| + GatheringErrorListener listener = new GatheringErrorListener();
|
| + listener.addAll2(resolver.errorListener);
|
| + listener.assertErrorsWithCodes(expectedErrorCodes);
|
| + return element;
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryImportScopeTest extends ResolverTestCase {
|
| + void test_conflictingImports() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String typeNameA = "A";
|
| + String typeNameB = "B";
|
| + String typeNameC = "C";
|
| + ClassElement typeA = ElementFactory.classElement2(typeNameA);
|
| + ClassElement typeB1 = ElementFactory.classElement2(typeNameB);
|
| + ClassElement typeB2 = ElementFactory.classElement2(typeNameB);
|
| + ClassElement typeC = ElementFactory.classElement2(typeNameC);
|
| + LibraryElement importedLibrary1 = createTestLibrary(context, "imported1");
|
| + (importedLibrary1.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[typeA, typeB1];
|
| + ImportElementImpl import1 =
|
| + ElementFactory.importFor(importedLibrary1, null);
|
| + LibraryElement importedLibrary2 = createTestLibrary(context, "imported2");
|
| + (importedLibrary2.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[typeB2, typeC];
|
| + ImportElementImpl import2 =
|
| + ElementFactory.importFor(importedLibrary2, null);
|
| + LibraryElementImpl importingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + importingLibrary.imports = <ImportElement>[import1, import2];
|
| + {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(importingLibrary, errorListener);
|
| + expect(scope.lookup(AstFactory.identifier3(typeNameA), importingLibrary),
|
| + typeA);
|
| + errorListener.assertNoErrors();
|
| + expect(scope.lookup(AstFactory.identifier3(typeNameC), importingLibrary),
|
| + typeC);
|
| + errorListener.assertNoErrors();
|
| + Element element =
|
| + scope.lookup(AstFactory.identifier3(typeNameB), importingLibrary);
|
| + errorListener.assertErrorsWithCodes([StaticWarningCode.AMBIGUOUS_IMPORT]);
|
| + EngineTestCase.assertInstanceOf((obj) => obj is MultiplyDefinedElement,
|
| + MultiplyDefinedElement, element);
|
| + List<Element> conflictingElements =
|
| + (element as MultiplyDefinedElement).conflictingElements;
|
| + expect(conflictingElements, hasLength(2));
|
| + if (identical(conflictingElements[0], typeB1)) {
|
| + expect(conflictingElements[1], same(typeB2));
|
| + } else if (identical(conflictingElements[0], typeB2)) {
|
| + expect(conflictingElements[1], same(typeB1));
|
| + } else {
|
| + expect(conflictingElements[0], same(typeB1));
|
| + }
|
| + }
|
| + {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(importingLibrary, errorListener);
|
| + Identifier identifier = AstFactory.identifier3(typeNameB);
|
| + AstFactory.methodDeclaration(null, AstFactory.typeName3(identifier), null,
|
| + null, AstFactory.identifier3("foo"), null);
|
| + Element element = scope.lookup(identifier, importingLibrary);
|
| + errorListener.assertErrorsWithCodes([StaticWarningCode.AMBIGUOUS_IMPORT]);
|
| + EngineTestCase.assertInstanceOf((obj) => obj is MultiplyDefinedElement,
|
| + MultiplyDefinedElement, element);
|
| + }
|
| + }
|
| +
|
| + void test_creation_empty() {
|
| + LibraryElement definingLibrary = createDefaultTestLibrary();
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + new LibraryImportScope(definingLibrary, errorListener);
|
| + }
|
| +
|
| + void test_creation_nonEmpty() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String importedTypeName = "A";
|
| + ClassElement importedType =
|
| + new ClassElementImpl.forNode(AstFactory.identifier3(importedTypeName));
|
| + LibraryElement importedLibrary = createTestLibrary(context, "imported");
|
| + (importedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[importedType];
|
| + LibraryElementImpl definingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + ImportElementImpl importElement = new ImportElementImpl(0);
|
| + importElement.importedLibrary = importedLibrary;
|
| + definingLibrary.imports = <ImportElement>[importElement];
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(definingLibrary, errorListener);
|
| + expect(
|
| + scope.lookup(AstFactory.identifier3(importedTypeName), definingLibrary),
|
| + importedType);
|
| + }
|
| +
|
| + void test_getErrorListener() {
|
| + LibraryElement definingLibrary = createDefaultTestLibrary();
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + LibraryImportScope scope =
|
| + new LibraryImportScope(definingLibrary, errorListener);
|
| + expect(scope.errorListener, errorListener);
|
| + }
|
| +
|
| + void test_nonConflictingImports_fromSdk() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String typeName = "List";
|
| + ClassElement type = ElementFactory.classElement2(typeName);
|
| + LibraryElement importedLibrary = createTestLibrary(context, "lib");
|
| + (importedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[type];
|
| + ImportElementImpl importCore = ElementFactory.importFor(
|
| + context.getLibraryElement(context.sourceFactory.forUri("dart:core")),
|
| + null);
|
| + ImportElementImpl importLib =
|
| + ElementFactory.importFor(importedLibrary, null);
|
| + LibraryElementImpl importingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + importingLibrary.imports = <ImportElement>[importCore, importLib];
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(importingLibrary, errorListener);
|
| + expect(
|
| + scope.lookup(AstFactory.identifier3(typeName), importingLibrary), type);
|
| + errorListener
|
| + .assertErrorsWithCodes([StaticWarningCode.CONFLICTING_DART_IMPORT]);
|
| + }
|
| +
|
| + void test_nonConflictingImports_sameElement() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String typeNameA = "A";
|
| + String typeNameB = "B";
|
| + ClassElement typeA = ElementFactory.classElement2(typeNameA);
|
| + ClassElement typeB = ElementFactory.classElement2(typeNameB);
|
| + LibraryElement importedLibrary = createTestLibrary(context, "imported");
|
| + (importedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[typeA, typeB];
|
| + ImportElementImpl import1 = ElementFactory.importFor(importedLibrary, null);
|
| + ImportElementImpl import2 = ElementFactory.importFor(importedLibrary, null);
|
| + LibraryElementImpl importingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + importingLibrary.imports = <ImportElement>[import1, import2];
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(importingLibrary, errorListener);
|
| + expect(scope.lookup(AstFactory.identifier3(typeNameA), importingLibrary),
|
| + typeA);
|
| + errorListener.assertNoErrors();
|
| + expect(scope.lookup(AstFactory.identifier3(typeNameB), importingLibrary),
|
| + typeB);
|
| + errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_prefixedAndNonPrefixed() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String typeName = "C";
|
| + String prefixName = "p";
|
| + ClassElement prefixedType = ElementFactory.classElement2(typeName);
|
| + ClassElement nonPrefixedType = ElementFactory.classElement2(typeName);
|
| + LibraryElement prefixedLibrary =
|
| + createTestLibrary(context, "import.prefixed");
|
| + (prefixedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[prefixedType];
|
| + ImportElementImpl prefixedImport = ElementFactory.importFor(
|
| + prefixedLibrary, ElementFactory.prefix(prefixName));
|
| + LibraryElement nonPrefixedLibrary =
|
| + createTestLibrary(context, "import.nonPrefixed");
|
| + (nonPrefixedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[nonPrefixedType];
|
| + ImportElementImpl nonPrefixedImport =
|
| + ElementFactory.importFor(nonPrefixedLibrary, null);
|
| + LibraryElementImpl importingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + importingLibrary.imports = <ImportElement>[
|
| + prefixedImport,
|
| + nonPrefixedImport
|
| + ];
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryImportScope(importingLibrary, errorListener);
|
| + Element prefixedElement = scope.lookup(
|
| + AstFactory.identifier5(prefixName, typeName), importingLibrary);
|
| + errorListener.assertNoErrors();
|
| + expect(prefixedElement, same(prefixedType));
|
| + Element nonPrefixedElement =
|
| + scope.lookup(AstFactory.identifier3(typeName), importingLibrary);
|
| + errorListener.assertNoErrors();
|
| + expect(nonPrefixedElement, same(nonPrefixedType));
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryResolver2Test extends ResolverTestCase {
|
| + LibraryResolver2 _resolver;
|
| +
|
| + Source _coreLibrarySource;
|
| +
|
| + Source _asyncLibrarySource;
|
| +
|
| + @override
|
| + void setUp() {
|
| + super.setUp();
|
| + _resolver = new LibraryResolver2(analysisContext2);
|
| + _coreLibrarySource =
|
| + analysisContext2.sourceFactory.forUri(DartSdk.DART_CORE);
|
| + _asyncLibrarySource =
|
| + analysisContext2.sourceFactory.forUri(DartSdk.DART_ASYNC);
|
| + }
|
| +
|
| + void test_imports_relative() {
|
| + Source sourceA = addSource(r'''
|
| +library libA;
|
| +import 'libB.dart';
|
| +class A {}''');
|
| + Source sourceB = addNamedSource(
|
| + "/libB.dart",
|
| + r'''
|
| +library libB;
|
| +import 'test.dart
|
| +class B {}''');
|
| + List<ResolvableLibrary> cycle = new List<ResolvableLibrary>();
|
| + ResolvableLibrary coreLib = _createResolvableLibrary(_coreLibrarySource);
|
| + coreLib.libraryElement = analysisContext2
|
| + .computeLibraryElement(_coreLibrarySource) as LibraryElementImpl;
|
| + ResolvableLibrary asyncLib = _createResolvableLibrary(_asyncLibrarySource);
|
| + asyncLib.libraryElement = analysisContext2
|
| + .computeLibraryElement(_asyncLibrarySource) as LibraryElementImpl;
|
| + ResolvableLibrary libA = _createResolvableLibrary(sourceA);
|
| + ResolvableLibrary libB = _createResolvableLibrary(sourceB);
|
| + libA.importedLibraries = <ResolvableLibrary>[coreLib, asyncLib, libB];
|
| + libB.importedLibraries = <ResolvableLibrary>[coreLib, asyncLib, libA];
|
| + cycle.add(libA);
|
| + cycle.add(libB);
|
| + LibraryElement library = _resolver.resolveLibrary(sourceA, cycle);
|
| + List<LibraryElement> importedLibraries = library.importedLibraries;
|
| + assertNamedElements(importedLibraries, ["dart.core", "libB"]);
|
| + }
|
| +
|
| + ResolvableLibrary _createResolvableLibrary(Source source) {
|
| + CompilationUnit unit = analysisContext2.parseCompilationUnit(source);
|
| + ResolvableLibrary resolvableLibrary = new ResolvableLibrary(source);
|
| + resolvableLibrary.resolvableCompilationUnits = <ResolvableCompilationUnit>[
|
| + new ResolvableCompilationUnit(source, unit)
|
| + ];
|
| + return resolvableLibrary;
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryResolverTest extends ResolverTestCase {
|
| + LibraryResolver _resolver;
|
| +
|
| + @override
|
| + void setUp() {
|
| + super.setUp();
|
| + _resolver = new LibraryResolver(analysisContext2);
|
| + }
|
| +
|
| + void test_imports_dart_html() {
|
| + Source source = addSource(r'''
|
| +library libA;
|
| +import 'dart:html';
|
| +class A {}''');
|
| + LibraryElement library = _resolver.resolveLibrary(source, true);
|
| + List<LibraryElement> importedLibraries = library.importedLibraries;
|
| + assertNamedElements(importedLibraries, ["dart.core", "dart.dom.html"]);
|
| + }
|
| +
|
| + void test_imports_none() {
|
| + Source source = addSource(r'''
|
| +library libA;
|
| +class A {}''');
|
| + LibraryElement library = _resolver.resolveLibrary(source, true);
|
| + List<LibraryElement> importedLibraries = library.importedLibraries;
|
| + assertNamedElements(importedLibraries, ["dart.core"]);
|
| + }
|
| +
|
| + void test_imports_relative() {
|
| + addNamedSource("/libB.dart", "library libB;");
|
| + Source source = addSource(r'''
|
| +library libA;
|
| +import 'libB.dart';
|
| +class A {}''');
|
| + LibraryElement library = _resolver.resolveLibrary(source, true);
|
| + List<LibraryElement> importedLibraries = library.importedLibraries;
|
| + assertNamedElements(importedLibraries, ["dart.core", "libB"]);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryScopeTest extends ResolverTestCase {
|
| + void test_creation_empty() {
|
| + LibraryElement definingLibrary = createDefaultTestLibrary();
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + new LibraryScope(definingLibrary, errorListener);
|
| + }
|
| +
|
| + void test_creation_nonEmpty() {
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + String importedTypeName = "A";
|
| + ClassElement importedType =
|
| + new ClassElementImpl.forNode(AstFactory.identifier3(importedTypeName));
|
| + LibraryElement importedLibrary = createTestLibrary(context, "imported");
|
| + (importedLibrary.definingCompilationUnit as CompilationUnitElementImpl)
|
| + .types = <ClassElement>[importedType];
|
| + LibraryElementImpl definingLibrary =
|
| + createTestLibrary(context, "importing");
|
| + ImportElementImpl importElement = new ImportElementImpl(0);
|
| + importElement.importedLibrary = importedLibrary;
|
| + definingLibrary.imports = <ImportElement>[importElement];
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + Scope scope = new LibraryScope(definingLibrary, errorListener);
|
| + expect(
|
| + scope.lookup(AstFactory.identifier3(importedTypeName), definingLibrary),
|
| + importedType);
|
| + }
|
| +
|
| + void test_getErrorListener() {
|
| + LibraryElement definingLibrary = createDefaultTestLibrary();
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + LibraryScope scope = new LibraryScope(definingLibrary, errorListener);
|
| + expect(scope.errorListener, errorListener);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class LibraryTest extends EngineTestCase {
|
| + /**
|
| + * The error listener to which all errors will be reported.
|
| + */
|
| + GatheringErrorListener _errorListener;
|
| +
|
| + /**
|
| + * The analysis context to pass in to all libraries created by the tests.
|
| + */
|
| + InternalAnalysisContext _analysisContext;
|
| +
|
| + /**
|
| + * The library used by the tests.
|
| + */
|
| + Library _library;
|
| +
|
| + @override
|
| + void setUp() {
|
| + _analysisContext = AnalysisContextFactory.contextWithCore();
|
| + _errorListener = new GatheringErrorListener();
|
| + _library = _createLibrary("/lib.dart");
|
| + }
|
| +
|
| + @override
|
| + void tearDown() {
|
| + _errorListener = null;
|
| + _analysisContext = null;
|
| + _library = null;
|
| + super.tearDown();
|
| + }
|
| +
|
| + void test_getExplicitlyImportsCore() {
|
| + expect(_library.explicitlyImportsCore, isFalse);
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getExports() {
|
| + expect(_library.exports, hasLength(0));
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getImports() {
|
| + expect(_library.imports, hasLength(0));
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getImportsAndExports() {
|
| + _library.importedLibraries = <Library>[_createLibrary("/imported.dart")];
|
| + _library.exportedLibraries = <Library>[_createLibrary("/exported.dart")];
|
| + expect(_library.importsAndExports, hasLength(2));
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getLibraryScope() {
|
| + LibraryElementImpl element = new LibraryElementImpl.forNode(
|
| + _analysisContext, AstFactory.libraryIdentifier2(["lib"]));
|
| + element.definingCompilationUnit =
|
| + new CompilationUnitElementImpl("lib.dart");
|
| + _library.libraryElement = element;
|
| + expect(_library.libraryScope, isNotNull);
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getLibrarySource() {
|
| + expect(_library.librarySource, isNotNull);
|
| + }
|
| +
|
| + void test_setExplicitlyImportsCore() {
|
| + _library.explicitlyImportsCore = true;
|
| + expect(_library.explicitlyImportsCore, isTrue);
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_setExportedLibraries() {
|
| + Library exportLibrary = _createLibrary("/exported.dart");
|
| + _library.exportedLibraries = <Library>[exportLibrary];
|
| + List<Library> exports = _library.exports;
|
| + expect(exports, hasLength(1));
|
| + expect(exports[0], same(exportLibrary));
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_setImportedLibraries() {
|
| + Library importLibrary = _createLibrary("/imported.dart");
|
| + _library.importedLibraries = <Library>[importLibrary];
|
| + List<Library> imports = _library.imports;
|
| + expect(imports, hasLength(1));
|
| + expect(imports[0], same(importLibrary));
|
| + _errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_setLibraryElement() {
|
| + LibraryElementImpl element = new LibraryElementImpl.forNode(
|
| + _analysisContext, AstFactory.libraryIdentifier2(["lib"]));
|
| + _library.libraryElement = element;
|
| + expect(_library.libraryElement, same(element));
|
| + }
|
| +
|
| + Library _createLibrary(String definingCompilationUnitPath) => new Library(
|
| + _analysisContext,
|
| + _errorListener,
|
| + new FileBasedSource(
|
| + FileUtilities2.createFile(definingCompilationUnitPath)));
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class MemberMapTest {
|
| + /**
|
| + * The null type.
|
| + */
|
| + InterfaceType _nullType;
|
| +
|
| + void setUp() {
|
| + _nullType = new TestTypeProvider().nullType;
|
| + }
|
| +
|
| + void test_MemberMap_copyConstructor() {
|
| + MethodElement m1 = ElementFactory.methodElement("m1", _nullType);
|
| + MethodElement m2 = ElementFactory.methodElement("m2", _nullType);
|
| + MethodElement m3 = ElementFactory.methodElement("m3", _nullType);
|
| + MemberMap map = new MemberMap();
|
| + map.put(m1.name, m1);
|
| + map.put(m2.name, m2);
|
| + map.put(m3.name, m3);
|
| + MemberMap copy = new MemberMap.from(map);
|
| + expect(copy.size, map.size);
|
| + expect(copy.get(m1.name), m1);
|
| + expect(copy.get(m2.name), m2);
|
| + expect(copy.get(m3.name), m3);
|
| + }
|
| +
|
| + void test_MemberMap_override() {
|
| + MethodElement m1 = ElementFactory.methodElement("m", _nullType);
|
| + MethodElement m2 = ElementFactory.methodElement("m", _nullType);
|
| + MemberMap map = new MemberMap();
|
| + map.put(m1.name, m1);
|
| + map.put(m2.name, m2);
|
| + expect(map.size, 1);
|
| + expect(map.get("m"), m2);
|
| + }
|
| +
|
| + void test_MemberMap_put() {
|
| + MethodElement m1 = ElementFactory.methodElement("m1", _nullType);
|
| + MemberMap map = new MemberMap();
|
| + expect(map.size, 0);
|
| + map.put(m1.name, m1);
|
| + expect(map.size, 1);
|
| + expect(map.get("m1"), m1);
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * An analysis context that has a fake SDK that is much smaller and faster for
|
| + * testing purposes.
|
| + */
|
| +class NewAnalysisContextForTests extends newContext.AnalysisContextImpl {
|
| + @override
|
| + void set analysisOptions(AnalysisOptions options) {
|
| + AnalysisOptions currentOptions = analysisOptions;
|
| + bool needsRecompute = currentOptions.analyzeFunctionBodiesPredicate !=
|
| + options.analyzeFunctionBodiesPredicate ||
|
| + currentOptions.generateImplicitErrors !=
|
| + options.generateImplicitErrors ||
|
| + currentOptions.generateSdkErrors != options.generateSdkErrors ||
|
| + currentOptions.dart2jsHint != options.dart2jsHint ||
|
| + (currentOptions.hint && !options.hint) ||
|
| + currentOptions.preserveComments != options.preserveComments ||
|
| + currentOptions.enableStrictCallChecks != options.enableStrictCallChecks;
|
| + if (needsRecompute) {
|
| + fail(
|
| + "Cannot set options that cause the sources to be reanalyzed in a test context");
|
| + }
|
| + super.analysisOptions = options;
|
| + }
|
| +
|
| + @override
|
| + bool exists(Source source) =>
|
| + super.exists(source) || sourceFactory.dartSdk.context.exists(source);
|
| +
|
| + @override
|
| + TimestampedData<String> getContents(Source source) {
|
| + if (source.isInSystemLibrary) {
|
| + return sourceFactory.dartSdk.context.getContents(source);
|
| + }
|
| + return super.getContents(source);
|
| + }
|
| +
|
| + @override
|
| + int getModificationStamp(Source source) {
|
| + if (source.isInSystemLibrary) {
|
| + return sourceFactory.dartSdk.context.getModificationStamp(source);
|
| + }
|
| + return super.getModificationStamp(source);
|
| + }
|
| +
|
| + /**
|
| + * Set the analysis options, even if they would force re-analysis. This method should only be
|
| + * invoked before the fake SDK is initialized.
|
| + *
|
| + * @param options the analysis options to be set
|
| + */
|
| + void _internalSetAnalysisOptions(AnalysisOptions options) {
|
| + super.analysisOptions = options;
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class NonHintCodeTest extends ResolverTestCase {
|
| + void test_deadCode_deadBlock_conditionalElse_debugConst() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = true;
|
| +f() {
|
| + DEBUG ? 1 : 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_conditionalIf_debugConst() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = false;
|
| +f() {
|
| + DEBUG ? 1 : 2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_else() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = true;
|
| +f() {
|
| + if(DEBUG) {} else {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if_debugConst_prefixedIdentifier() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static const bool DEBUG = false;
|
| +}
|
| +f() {
|
| + if(A.DEBUG) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if_debugConst_prefixedIdentifier2() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib2.dart';
|
| +f() {
|
| + if(A.DEBUG) {}
|
| +}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +class A {
|
| + static const bool DEBUG = false;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if_debugConst_propertyAccessor() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib2.dart' as LIB;
|
| +f() {
|
| + if(LIB.A.DEBUG) {}
|
| +}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +class A {
|
| + static const bool DEBUG = false;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_if_debugConst_simpleIdentifier() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = false;
|
| +f() {
|
| + if(DEBUG) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadBlock_while_debugConst() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = false;
|
| +f() {
|
| + while(DEBUG) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadCatch_onCatchSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {}
|
| +f() {
|
| + try {} on B catch (e) {} on A catch (e) {} catch (e) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_and_debugConst() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = false;
|
| +f() {
|
| + bool b = DEBUG && false;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_deadCode_deadOperandLHS_or_debugConst() {
|
| + Source source = addSource(r'''
|
| +const bool DEBUG = true;
|
| +f() {
|
| + bool b = DEBUG || true;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization() {
|
| + Source source = addSource(r'''
|
| +f(int x, int y) {
|
| + var v = x / y.toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_supressIfDivisionNotDefinedInCore() {
|
| + Source source = addSource(r'''
|
| +f(x, y) {
|
| + var v = (x / y).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_divisionOptimization_supressIfDivisionOverridden() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + num operator /(x) { return x; }
|
| +}
|
| +f(A x, A y) {
|
| + var v = (x / y).toInt();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport_as() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart' as one;
|
| +A a;
|
| +one.A a2;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport_hide() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart' hide A;
|
| +A a;
|
| +B b;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_duplicateImport_show() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +import 'lib1.dart' show A;
|
| +A a;
|
| +B b;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_importDeferredLibraryWithLoadFunction() {
|
| + resolveWithErrors(<String>[
|
| + r'''
|
| +library lib1;
|
| +f() {}''',
|
| + r'''
|
| +library root;
|
| +import 'lib1.dart' deferred as lib1;
|
| +main() { lib1.f(); }'''
|
| + ], ErrorCode.EMPTY_LIST);
|
| + }
|
| +
|
| + void test_issue20904BuggyTypePromotionAtIfJoin_1() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20904
|
| + Source source = addSource(r'''
|
| +f(var message, var dynamic_) {
|
| + if (message is Function) {
|
| + message = dynamic_;
|
| + }
|
| + int s = message;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_issue20904BuggyTypePromotionAtIfJoin_3() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20904
|
| + Source source = addSource(r'''
|
| +f(var message) {
|
| + var dynamic_;
|
| + if (message is Function) {
|
| + message = dynamic_;
|
| + } else {
|
| + return;
|
| + }
|
| + int s = message;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_issue20904BuggyTypePromotionAtIfJoin_4() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20904
|
| + Source source = addSource(r'''
|
| +f(var message) {
|
| + if (message is Function) {
|
| + message = '';
|
| + } else {
|
| + return;
|
| + }
|
| + String s = message;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_emptyFunctionBody() {
|
| + Source source = addSource(r'''
|
| +abstract class A {
|
| + int m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_expressionFunctionBody() {
|
| + Source source = addSource("int f() => 0;");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_noReturnType() {
|
| + Source source = addSource("f() {}");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_missingReturn_voidReturnType() {
|
| + Source source = addSource("void f() {}");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideEqualsButNotHashCode() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + bool operator ==(x) { return x; }
|
| + get hashCode => 0;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingGetter_inInterface() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + int get m => 0;
|
| +}
|
| +class B implements A {
|
| + @override
|
| + int get m => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingGetter_inSuperclass() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + int get m => 0;
|
| +}
|
| +class B extends A {
|
| + @override
|
| + int get m => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingMethod_inInterface() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + int m() => 0;
|
| +}
|
| +class B implements A {
|
| + @override
|
| + int m() => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingMethod_inSuperclass() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + int m() => 0;
|
| +}
|
| +class B extends A {
|
| + @override
|
| + int m() => 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingSetter_inInterface() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + set m(int x) {}
|
| +}
|
| +class B implements A {
|
| + @override
|
| + set m(int x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_overrideOnNonOverridingSetter_inSuperclass() {
|
| + Source source = addSource(r'''
|
| +library dart.core;
|
| +const override = null;
|
| +class A {
|
| + set m(int x) {}
|
| +}
|
| +class B extends A {
|
| + @override
|
| + set m(int x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_propagatedFieldType() {
|
| + Source source = addSource(r'''
|
| +class A { }
|
| +class X<T> {
|
| + final x = new List<T>();
|
| +}
|
| +class Z {
|
| + final X<A> y = new X<A>();
|
| + foo() {
|
| + y.x.add(new A());
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_proxy_annotation_prefixed() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +@proxy
|
| +class A {}
|
| +f(var a) {
|
| + a = new A();
|
| + a.m();
|
| + var x = a.g;
|
| + a.s = 1;
|
| + var y = a + a;
|
| + a++;
|
| + ++a;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_proxy_annotation_prefixed2() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +@proxy
|
| +class A {}
|
| +class B {
|
| + f(var a) {
|
| + a = new A();
|
| + a.m();
|
| + var x = a.g;
|
| + a.s = 1;
|
| + var y = a + a;
|
| + a++;
|
| + ++a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_proxy_annotation_prefixed3() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +class B {
|
| + f(var a) {
|
| + a = new A();
|
| + a.m();
|
| + var x = a.g;
|
| + a.s = 1;
|
| + var y = a + a;
|
| + a++;
|
| + ++a;
|
| + }
|
| +}
|
| +@proxy
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedGetter_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + get b => 0;
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + return a.b;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedMethod_assignmentExpression_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator +(B b) {return new B();}
|
| +}
|
| +f(var a, var a2) {
|
| + a = new A();
|
| + a2 = new A();
|
| + a += a2;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedMethod_dynamic() {
|
| + Source source = addSource(r'''
|
| +class D<T extends dynamic> {
|
| + fieldAccess(T t) => t.abc;
|
| + methodAccess(T t) => t.xyz(1, 2, 'three');
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedMethod_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + b() {}
|
| +}
|
| +f() {
|
| + var a = new A();
|
| + a.b();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedMethod_unionType_all() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int m(int x) => 0;
|
| +}
|
| +class B {
|
| + String m() => '0';
|
| +}
|
| +f(A a, B b) {
|
| + var ab;
|
| + if (0 < 1) {
|
| + ab = a;
|
| + } else {
|
| + ab = b;
|
| + }
|
| + ab.m();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedMethod_unionType_some() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int m(int x) => 0;
|
| +}
|
| +class B {}
|
| +f(A a, B b) {
|
| + var ab;
|
| + if (0 < 1) {
|
| + ab = a;
|
| + } else {
|
| + ab = b;
|
| + }
|
| + ab.m(0);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_binaryExpression_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator +(B b) {}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a + 1;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexBoth_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator [](int index) {}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0]++;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexGetter_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator [](int index) {}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0];
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_indexSetter_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator []=(i, v) {}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a[0] = 1;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_postfixExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator +(B b) {return new B();}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a++;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedOperator_prefixExpression() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + operator +(B b) {return new B();}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + ++a;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_undefinedSetter_inSubtype() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + set b(x) {}
|
| +}
|
| +f(var a) {
|
| + if(a is A) {
|
| + a.b = 0;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_unnecessaryCast_13855_parameter_A() {
|
| + // dartbug.com/13855, dartbug.com/13732
|
| + Source source = addSource(r'''
|
| +class A{
|
| + a() {}
|
| +}
|
| +class B<E> {
|
| + E e;
|
| + m() {
|
| + (e as A).a();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryCast_conditionalExpression() {
|
| + Source source = addSource(r'''
|
| +abstract class I {}
|
| +class A implements I {}
|
| +class B implements I {}
|
| +I m(A a, B b) {
|
| + return a == null ? b as I : a as I;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryCast_dynamic_type() {
|
| + Source source = addSource(r'''
|
| +m(v) {
|
| + var b = v as Object;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryCast_generics() {
|
| + // dartbug.com/18953
|
| + Source source = addSource(r'''
|
| +import 'dart:async';
|
| +Future<int> f() => new Future.value(0);
|
| +void g(bool c) {
|
| + (c ? f(): new Future.value(0) as Future<int>).then((int value) {});
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unnecessaryCast_type_dynamic() {
|
| + Source source = addSource(r'''
|
| +m(v) {
|
| + var b = Object as dynamic;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_annotationOnDirective() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +@A()
|
| +import 'lib1.dart';''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {
|
| + const A() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + verify([source, source2]);
|
| + }
|
| +
|
| + void test_unusedImport_as_equalPrefixes() {
|
| + // 18818
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart' as one;
|
| +import 'lib2.dart' as one;
|
| +one.A a;
|
| +one.B b;''');
|
| + Source source2 = addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class A {}''');
|
| + Source source3 = addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +class B {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source);
|
| + assertNoErrors(source2);
|
| + assertNoErrors(source3);
|
| + verify([source, source2, source3]);
|
| + }
|
| +
|
| + void test_unusedImport_core_library() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'dart:core';''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_export() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +Two two;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +export 'lib2.dart';
|
| +class One {}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +class Two {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_export2() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +Three three;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +export 'lib2.dart';
|
| +class One {}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +export 'lib3.dart';
|
| +class Two {}''');
|
| + addNamedSource(
|
| + "/lib3.dart",
|
| + r'''
|
| +library lib3;
|
| +class Three {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_export_infiniteLoop() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart';
|
| +Two two;''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +export 'lib2.dart';
|
| +class One {}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +export 'lib3.dart';
|
| +class Two {}''');
|
| + addNamedSource(
|
| + "/lib3.dart",
|
| + r'''
|
| +library lib3;
|
| +export 'lib2.dart';
|
| +class Three {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_metadata() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +@A(x)
|
| +import 'lib1.dart';
|
| +class A {
|
| + final int value;
|
| + const A(this.value);
|
| +}''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +const x = 0;''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_unusedImport_prefix_topLevelFunction() {
|
| + Source source = addSource(r'''
|
| +library L;
|
| +import 'lib1.dart' hide topLevelFunction;
|
| +import 'lib1.dart' as one show topLevelFunction;
|
| +class A {
|
| + static void x() {
|
| + One o;
|
| + one.topLevelFunction();
|
| + }
|
| +}''');
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +class One {}
|
| +topLevelFunction() {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_implicitReturnValue() {
|
| + Source source = addSource(r'''
|
| +f() {}
|
| +class A {
|
| + n() {
|
| + var a = f();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_useOfVoidResult_nonVoidReturnValue() {
|
| + Source source = addSource(r'''
|
| +int f() => 1;
|
| +g() {
|
| + var a = f();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +}
|
| +
|
| +class PubSuggestionCodeTest extends ResolverTestCase {
|
| + void test_import_package() {
|
| + Source source = addSource("import 'package:somepackage/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [CompileTimeErrorCode.URI_DOES_NOT_EXIST]);
|
| + }
|
| +
|
| + void test_import_packageWithDotDot() {
|
| + Source source = addSource("import 'package:somepackage/../other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CompileTimeErrorCode.URI_DOES_NOT_EXIST,
|
| + HintCode.PACKAGE_IMPORT_CONTAINS_DOT_DOT
|
| + ]);
|
| + }
|
| +
|
| + void test_import_packageWithLeadingDotDot() {
|
| + Source source = addSource("import 'package:../other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [
|
| + CompileTimeErrorCode.URI_DOES_NOT_EXIST,
|
| + HintCode.PACKAGE_IMPORT_CONTAINS_DOT_DOT
|
| + ]);
|
| + }
|
| +
|
| + void test_import_referenceIntoLibDirectory() {
|
| + cacheSource("/myproj/pubspec.yaml", "");
|
| + cacheSource("/myproj/lib/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/web/test.dart", "import '../lib/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(
|
| + source, [HintCode.FILE_IMPORT_OUTSIDE_LIB_REFERENCES_FILE_INSIDE]);
|
| + }
|
| +
|
| + void test_import_referenceIntoLibDirectory_no_pubspec() {
|
| + cacheSource("/myproj/lib/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/web/test.dart", "import '../lib/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_import_referenceOutOfLibDirectory() {
|
| + cacheSource("/myproj/pubspec.yaml", "");
|
| + cacheSource("/myproj/web/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/lib/test.dart", "import '../web/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(
|
| + source, [HintCode.FILE_IMPORT_INSIDE_LIB_REFERENCES_FILE_OUTSIDE]);
|
| + }
|
| +
|
| + void test_import_referenceOutOfLibDirectory_no_pubspec() {
|
| + cacheSource("/myproj/web/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/lib/test.dart", "import '../web/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_import_valid_inside_lib1() {
|
| + cacheSource("/myproj/pubspec.yaml", "");
|
| + cacheSource("/myproj/lib/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/lib/test.dart", "import 'other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_import_valid_inside_lib2() {
|
| + cacheSource("/myproj/pubspec.yaml", "");
|
| + cacheSource("/myproj/lib/bar/other.dart", "");
|
| + Source source = addNamedSource(
|
| + "/myproj/lib/foo/test.dart", "import '../bar/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_import_valid_outside_lib() {
|
| + cacheSource("/myproj/pubspec.yaml", "");
|
| + cacheSource("/myproj/web/other.dart", "");
|
| + Source source =
|
| + addNamedSource("/myproj/lib2/test.dart", "import '../web/other.dart';");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * An AST visitor used to verify that all of the nodes in an AST structure that
|
| + * should have been resolved were resolved.
|
| + */
|
| +class ResolutionVerifier extends RecursiveAstVisitor<Object> {
|
| + /**
|
| + * A set containing nodes that are known to not be resolvable and should
|
| + * therefore not cause the test to fail.
|
| + */
|
| + final Set<AstNode> _knownExceptions;
|
| +
|
| + /**
|
| + * A list containing all of the AST nodes that were not resolved.
|
| + */
|
| + List<AstNode> _unresolvedNodes = new List<AstNode>();
|
| +
|
| + /**
|
| + * A list containing all of the AST nodes that were resolved to an element of
|
| + * the wrong type.
|
| + */
|
| + List<AstNode> _wrongTypedNodes = new List<AstNode>();
|
| +
|
| + /**
|
| + * Initialize a newly created verifier to verify that all of the identifiers
|
| + * in the visited AST structures that are expected to have been resolved have
|
| + * an element associated with them. Nodes in the set of [_knownExceptions] are
|
| + * not expected to have been resolved, even if they normally would have been
|
| + * expected to have been resolved.
|
| + */
|
| + ResolutionVerifier([this._knownExceptions]);
|
| +
|
| + /**
|
| + * Assert that all of the visited identifiers were resolved.
|
| + */
|
| + void assertResolved() {
|
| + if (!_unresolvedNodes.isEmpty || !_wrongTypedNodes.isEmpty) {
|
| + StringBuffer buffer = new StringBuffer();
|
| + if (!_unresolvedNodes.isEmpty) {
|
| + buffer.write("Failed to resolve ");
|
| + buffer.write(_unresolvedNodes.length);
|
| + buffer.writeln(" nodes:");
|
| + _printNodes(buffer, _unresolvedNodes);
|
| + }
|
| + if (!_wrongTypedNodes.isEmpty) {
|
| + buffer.write("Resolved ");
|
| + buffer.write(_wrongTypedNodes.length);
|
| + buffer.writeln(" to the wrong type of element:");
|
| + _printNodes(buffer, _wrongTypedNodes);
|
| + }
|
| + fail(buffer.toString());
|
| + }
|
| + }
|
| +
|
| + @override
|
| + Object visitAnnotation(Annotation node) {
|
| + node.visitChildren(this);
|
| + ElementAnnotation elementAnnotation = node.elementAnnotation;
|
| + if (elementAnnotation == null) {
|
| + if (_knownExceptions == null || !_knownExceptions.contains(node)) {
|
| + _unresolvedNodes.add(node);
|
| + }
|
| + } else if (elementAnnotation is! ElementAnnotation) {
|
| + _wrongTypedNodes.add(node);
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + @override
|
| + Object visitBinaryExpression(BinaryExpression node) {
|
| + node.visitChildren(this);
|
| + if (!node.operator.isUserDefinableOperator) {
|
| + return null;
|
| + }
|
| + DartType operandType = node.leftOperand.staticType;
|
| + if (operandType == null || operandType.isDynamic) {
|
| + return null;
|
| + }
|
| + return _checkResolved(
|
| + node, node.staticElement, (node) => node is MethodElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitCommentReference(CommentReference node) => null;
|
| +
|
| + @override
|
| + Object visitCompilationUnit(CompilationUnit node) {
|
| + node.visitChildren(this);
|
| + return _checkResolved(
|
| + node, node.element, (node) => node is CompilationUnitElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitExportDirective(ExportDirective node) =>
|
| + _checkResolved(node, node.element, (node) => node is ExportElement);
|
| +
|
| + @override
|
| + Object visitFunctionDeclaration(FunctionDeclaration node) {
|
| + node.visitChildren(this);
|
| + if (node.element is LibraryElement) {
|
| + _wrongTypedNodes.add(node);
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + @override
|
| + Object visitFunctionExpressionInvocation(FunctionExpressionInvocation node) {
|
| + node.visitChildren(this);
|
| + // TODO(brianwilkerson) If we start resolving function expressions, then
|
| + // conditionally check to see whether the node was resolved correctly.
|
| + return null;
|
| + //checkResolved(node, node.getElement(), FunctionElement.class);
|
| + }
|
| +
|
| + @override
|
| + Object visitImportDirective(ImportDirective node) {
|
| + // Not sure how to test the combinators given that it isn't an error if the
|
| + // names are not defined.
|
| + _checkResolved(node, node.element, (node) => node is ImportElement);
|
| + SimpleIdentifier prefix = node.prefix;
|
| + if (prefix == null) {
|
| + return null;
|
| + }
|
| + return _checkResolved(
|
| + prefix, prefix.staticElement, (node) => node is PrefixElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitIndexExpression(IndexExpression node) {
|
| + node.visitChildren(this);
|
| + DartType targetType = node.realTarget.staticType;
|
| + if (targetType == null || targetType.isDynamic) {
|
| + return null;
|
| + }
|
| + return _checkResolved(
|
| + node, node.staticElement, (node) => node is MethodElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitLibraryDirective(LibraryDirective node) =>
|
| + _checkResolved(node, node.element, (node) => node is LibraryElement);
|
| +
|
| + @override
|
| + Object visitNamedExpression(NamedExpression node) =>
|
| + node.expression.accept(this);
|
| +
|
| + @override
|
| + Object visitPartDirective(PartDirective node) => _checkResolved(
|
| + node, node.element, (node) => node is CompilationUnitElement);
|
| +
|
| + @override
|
| + Object visitPartOfDirective(PartOfDirective node) =>
|
| + _checkResolved(node, node.element, (node) => node is LibraryElement);
|
| +
|
| + @override
|
| + Object visitPostfixExpression(PostfixExpression node) {
|
| + node.visitChildren(this);
|
| + if (!node.operator.isUserDefinableOperator) {
|
| + return null;
|
| + }
|
| + DartType operandType = node.operand.staticType;
|
| + if (operandType == null || operandType.isDynamic) {
|
| + return null;
|
| + }
|
| + return _checkResolved(
|
| + node, node.staticElement, (node) => node is MethodElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitPrefixedIdentifier(PrefixedIdentifier node) {
|
| + SimpleIdentifier prefix = node.prefix;
|
| + prefix.accept(this);
|
| + DartType prefixType = prefix.staticType;
|
| + if (prefixType == null || prefixType.isDynamic) {
|
| + return null;
|
| + }
|
| + return _checkResolved(node, node.staticElement, null);
|
| + }
|
| +
|
| + @override
|
| + Object visitPrefixExpression(PrefixExpression node) {
|
| + node.visitChildren(this);
|
| + if (!node.operator.isUserDefinableOperator) {
|
| + return null;
|
| + }
|
| + DartType operandType = node.operand.staticType;
|
| + if (operandType == null || operandType.isDynamic) {
|
| + return null;
|
| + }
|
| + return _checkResolved(
|
| + node, node.staticElement, (node) => node is MethodElement);
|
| + }
|
| +
|
| + @override
|
| + Object visitPropertyAccess(PropertyAccess node) {
|
| + Expression target = node.realTarget;
|
| + target.accept(this);
|
| + DartType targetType = target.staticType;
|
| + if (targetType == null || targetType.isDynamic) {
|
| + return null;
|
| + }
|
| + return node.propertyName.accept(this);
|
| + }
|
| +
|
| + @override
|
| + Object visitSimpleIdentifier(SimpleIdentifier node) {
|
| + if (node.name == "void") {
|
| + return null;
|
| + }
|
| + AstNode parent = node.parent;
|
| + if (parent is MethodInvocation) {
|
| + MethodInvocation invocation = parent;
|
| + if (identical(invocation.methodName, node)) {
|
| + Expression target = invocation.realTarget;
|
| + DartType targetType = target == null ? null : target.staticType;
|
| + if (targetType == null || targetType.isDynamic) {
|
| + return null;
|
| + }
|
| + }
|
| + }
|
| + return _checkResolved(node, node.staticElement, null);
|
| + }
|
| +
|
| + Object _checkResolved(
|
| + AstNode node, Element element, Predicate<Element> predicate) {
|
| + if (element == null) {
|
| + if (_knownExceptions == null || !_knownExceptions.contains(node)) {
|
| + _unresolvedNodes.add(node);
|
| + }
|
| + } else if (predicate != null) {
|
| + if (!predicate(element)) {
|
| + _wrongTypedNodes.add(node);
|
| + }
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + String _getFileName(AstNode node) {
|
| + // TODO (jwren) there are two copies of this method, one here and one in
|
| + // StaticTypeVerifier, they should be resolved into a single method
|
| + if (node != null) {
|
| + AstNode root = node.root;
|
| + if (root is CompilationUnit) {
|
| + CompilationUnit rootCU = root;
|
| + if (rootCU.element != null) {
|
| + return rootCU.element.source.fullName;
|
| + } else {
|
| + return "<unknown file- CompilationUnit.getElement() returned null>";
|
| + }
|
| + } else {
|
| + return "<unknown file- CompilationUnit.getRoot() is not a CompilationUnit>";
|
| + }
|
| + }
|
| + return "<unknown file- ASTNode is null>";
|
| + }
|
| +
|
| + void _printNodes(StringBuffer buffer, List<AstNode> nodes) {
|
| + for (AstNode identifier in nodes) {
|
| + buffer.write(" ");
|
| + buffer.write(identifier.toString());
|
| + buffer.write(" (");
|
| + buffer.write(_getFileName(identifier));
|
| + buffer.write(" : ");
|
| + buffer.write(identifier.offset);
|
| + buffer.writeln(")");
|
| + }
|
| + }
|
| +}
|
| +
|
| +class ResolverTestCase extends EngineTestCase {
|
| + /**
|
| + * The analysis context used to parse the compilation units being resolved.
|
| + */
|
| + InternalAnalysisContext analysisContext2;
|
| +
|
| + /**
|
| + * Specifies if [assertErrors] should check for [HintCode.UNUSED_ELEMENT] and
|
| + * [HintCode.UNUSED_FIELD].
|
| + */
|
| + bool enableUnusedElement = false;
|
| +
|
| + /**
|
| + * Specifies if [assertErrors] should check for [HintCode.UNUSED_LOCAL_VARIABLE].
|
| + */
|
| + bool enableUnusedLocalVariable = false;
|
| +
|
| + AnalysisContext get analysisContext => analysisContext2;
|
| +
|
| + /**
|
| + * Return a type provider that can be used to test the results of resolution.
|
| + *
|
| + * @return a type provider
|
| + * @throws AnalysisException if dart:core cannot be resolved
|
| + */
|
| + TypeProvider get typeProvider => analysisContext2.typeProvider;
|
| +
|
| + /**
|
| + * Return a type system that can be used to test the results of resolution.
|
| + *
|
| + * @return a type system
|
| + */
|
| + TypeSystem get typeSystem => analysisContext2.typeSystem;
|
| +
|
| + /**
|
| + * Add a source file to the content provider. The file path should be absolute.
|
| + *
|
| + * @param filePath the path of the file being added
|
| + * @param contents the contents to be returned by the content provider for the specified file
|
| + * @return the source object representing the added file
|
| + */
|
| + Source addNamedSource(String filePath, String contents) {
|
| + Source source = cacheSource(filePath, contents);
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.addedSource(source);
|
| + analysisContext2.applyChanges(changeSet);
|
| + return source;
|
| + }
|
| +
|
| + /**
|
| + * Add a source file to the content provider.
|
| + *
|
| + * @param contents the contents to be returned by the content provider for the specified file
|
| + * @return the source object representing the added file
|
| + */
|
| + Source addSource(String contents) => addNamedSource("/test.dart", contents);
|
| +
|
| + /**
|
| + * Assert that the number of errors reported against the given source matches the number of errors
|
| + * that are given and that they have the expected error codes. The order in which the errors were
|
| + * gathered is ignored.
|
| + *
|
| + * @param source the source against which the errors should have been reported
|
| + * @param expectedErrorCodes the error codes of the errors that should have been reported
|
| + * @throws AnalysisException if the reported errors could not be computed
|
| + * @throws AssertionFailedError if a different number of errors have been reported than were
|
| + * expected
|
| + */
|
| + void assertErrors(Source source,
|
| + [List<ErrorCode> expectedErrorCodes = ErrorCode.EMPTY_LIST]) {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + for (AnalysisError error in analysisContext2.computeErrors(source)) {
|
| + ErrorCode errorCode = error.errorCode;
|
| + if (!enableUnusedElement &&
|
| + (errorCode == HintCode.UNUSED_ELEMENT ||
|
| + errorCode == HintCode.UNUSED_FIELD)) {
|
| + continue;
|
| + }
|
| + if (!enableUnusedLocalVariable &&
|
| + (errorCode == HintCode.UNUSED_CATCH_CLAUSE ||
|
| + errorCode == HintCode.UNUSED_CATCH_STACK ||
|
| + errorCode == HintCode.UNUSED_LOCAL_VARIABLE)) {
|
| + continue;
|
| + }
|
| + errorListener.onError(error);
|
| + }
|
| + errorListener.assertErrorsWithCodes(expectedErrorCodes);
|
| + }
|
| +
|
| + /**
|
| + * Assert that no errors have been reported against the given source.
|
| + *
|
| + * @param source the source against which no errors should have been reported
|
| + * @throws AnalysisException if the reported errors could not be computed
|
| + * @throws AssertionFailedError if any errors have been reported
|
| + */
|
| + void assertNoErrors(Source source) {
|
| + assertErrors(source);
|
| + }
|
| +
|
| + /**
|
| + * Cache the source file content in the source factory but don't add the source to the analysis
|
| + * context. The file path should be absolute.
|
| + *
|
| + * @param filePath the path of the file being cached
|
| + * @param contents the contents to be returned by the content provider for the specified file
|
| + * @return the source object representing the cached file
|
| + */
|
| + Source cacheSource(String filePath, String contents) {
|
| + Source source = new FileBasedSource(FileUtilities2.createFile(filePath));
|
| + analysisContext2.setContents(source, contents);
|
| + return source;
|
| + }
|
| +
|
| + /**
|
| + * Change the contents of the given [source] to the given [contents].
|
| + */
|
| + void changeSource(Source source, String contents) {
|
| + analysisContext2.setContents(source, contents);
|
| + ChangeSet changeSet = new ChangeSet();
|
| + changeSet.changedSource(source);
|
| + analysisContext2.applyChanges(changeSet);
|
| + }
|
| +
|
| + /**
|
| + * Computes errors for the given [librarySource].
|
| + * This assumes that the given [librarySource] and its parts have already
|
| + * been added to the content provider using the method [addNamedSource].
|
| + */
|
| + void computeLibrarySourceErrors(Source librarySource) {
|
| + analysisContext.computeErrors(librarySource);
|
| + }
|
| +
|
| + /**
|
| + * Create a library element that represents a library named `"test"` containing a single
|
| + * empty compilation unit.
|
| + *
|
| + * @return the library element that was created
|
| + */
|
| + LibraryElementImpl createDefaultTestLibrary() =>
|
| + createTestLibrary(AnalysisContextFactory.contextWithCore(), "test");
|
| +
|
| + /**
|
| + * Create a library element that represents a library with the given name containing a single
|
| + * empty compilation unit.
|
| + *
|
| + * @param libraryName the name of the library to be created
|
| + * @return the library element that was created
|
| + */
|
| + LibraryElementImpl createTestLibrary(
|
| + AnalysisContext context, String libraryName,
|
| + [List<String> typeNames]) {
|
| + String fileName = "$libraryName.dart";
|
| + FileBasedSource definingCompilationUnitSource =
|
| + _createNamedSource(fileName);
|
| + List<CompilationUnitElement> sourcedCompilationUnits;
|
| + if (typeNames == null) {
|
| + sourcedCompilationUnits = CompilationUnitElement.EMPTY_LIST;
|
| + } else {
|
| + int count = typeNames.length;
|
| + sourcedCompilationUnits = new List<CompilationUnitElement>(count);
|
| + for (int i = 0; i < count; i++) {
|
| + String typeName = typeNames[i];
|
| + ClassElementImpl type =
|
| + new ClassElementImpl.forNode(AstFactory.identifier3(typeName));
|
| + String fileName = "$typeName.dart";
|
| + CompilationUnitElementImpl compilationUnit =
|
| + new CompilationUnitElementImpl(fileName);
|
| + compilationUnit.source = _createNamedSource(fileName);
|
| + compilationUnit.librarySource = definingCompilationUnitSource;
|
| + compilationUnit.types = <ClassElement>[type];
|
| + sourcedCompilationUnits[i] = compilationUnit;
|
| + }
|
| + }
|
| + CompilationUnitElementImpl compilationUnit =
|
| + new CompilationUnitElementImpl(fileName);
|
| + compilationUnit.librarySource =
|
| + compilationUnit.source = definingCompilationUnitSource;
|
| + LibraryElementImpl library = new LibraryElementImpl.forNode(
|
| + context, AstFactory.libraryIdentifier2([libraryName]));
|
| + library.definingCompilationUnit = compilationUnit;
|
| + library.parts = sourcedCompilationUnits;
|
| + return library;
|
| + }
|
| +
|
| + Expression findTopLevelConstantExpression(
|
| + CompilationUnit compilationUnit, String name) =>
|
| + findTopLevelDeclaration(compilationUnit, name).initializer;
|
| +
|
| + VariableDeclaration findTopLevelDeclaration(
|
| + CompilationUnit compilationUnit, String name) {
|
| + for (CompilationUnitMember member in compilationUnit.declarations) {
|
| + if (member is TopLevelVariableDeclaration) {
|
| + for (VariableDeclaration variable in member.variables.variables) {
|
| + if (variable.name.name == name) {
|
| + return variable;
|
| + }
|
| + }
|
| + }
|
| + }
|
| + return null;
|
| + // Not found
|
| + }
|
| +
|
| + /**
|
| + * In the rare cases we want to group several tests into single "test_" method, so need a way to
|
| + * reset test instance to reuse it.
|
| + */
|
| + void reset() {
|
| + analysisContext2 = AnalysisContextFactory.contextWithCore();
|
| + }
|
| +
|
| + /**
|
| + * Reset the analysis context to have the given options applied.
|
| + *
|
| + * @param options the analysis options to be applied to the context
|
| + */
|
| + void resetWithOptions(AnalysisOptions options) {
|
| + analysisContext2 =
|
| + AnalysisContextFactory.contextWithCoreAndOptions(options);
|
| + }
|
| +
|
| + /**
|
| + * Given a library and all of its parts, resolve the contents of the library and the contents of
|
| + * the parts. This assumes that the sources for the library and its parts have already been added
|
| + * to the content provider using the method [addNamedSource].
|
| + *
|
| + * @param librarySource the source for the compilation unit that defines the library
|
| + * @return the element representing the resolved library
|
| + * @throws AnalysisException if the analysis could not be performed
|
| + */
|
| + LibraryElement resolve2(Source librarySource) =>
|
| + analysisContext2.computeLibraryElement(librarySource);
|
| +
|
| + /**
|
| + * Return the resolved compilation unit corresponding to the given source in the given library.
|
| + *
|
| + * @param source the source of the compilation unit to be returned
|
| + * @param library the library in which the compilation unit is to be resolved
|
| + * @return the resolved compilation unit
|
| + * @throws Exception if the compilation unit could not be resolved
|
| + */
|
| + CompilationUnit resolveCompilationUnit(
|
| + Source source, LibraryElement library) =>
|
| + analysisContext2.resolveCompilationUnit(source, library);
|
| +
|
| + CompilationUnit resolveSource(String sourceText) =>
|
| + resolveSource2("/test.dart", sourceText);
|
| +
|
| + CompilationUnit resolveSource2(String fileName, String sourceText) {
|
| + Source source = addNamedSource(fileName, sourceText);
|
| + LibraryElement library = analysisContext.computeLibraryElement(source);
|
| + return analysisContext.resolveCompilationUnit(source, library);
|
| + }
|
| +
|
| + Source resolveSources(List<String> sourceTexts) {
|
| + for (int i = 0; i < sourceTexts.length; i++) {
|
| + CompilationUnit unit =
|
| + resolveSource2("/lib${i + 1}.dart", sourceTexts[i]);
|
| + // reference the source if this is the last source
|
| + if (i + 1 == sourceTexts.length) {
|
| + return unit.element.source;
|
| + }
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + void resolveWithAndWithoutExperimental(
|
| + List<String> strSources,
|
| + List<ErrorCode> codesWithoutExperimental,
|
| + List<ErrorCode> codesWithExperimental) {
|
| + // Setup analysis context as non-experimental
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| +// options.enableDeferredLoading = false;
|
| + resetWithOptions(options);
|
| + // Analysis and assertions
|
| + Source source = resolveSources(strSources);
|
| + assertErrors(source, codesWithoutExperimental);
|
| + verify([source]);
|
| + // Setup analysis context as experimental
|
| + reset();
|
| + // Analysis and assertions
|
| + source = resolveSources(strSources);
|
| + assertErrors(source, codesWithExperimental);
|
| + verify([source]);
|
| + }
|
| +
|
| + void resolveWithErrors(List<String> strSources, List<ErrorCode> codes) {
|
| + // Analysis and assertions
|
| + Source source = resolveSources(strSources);
|
| + assertErrors(source, codes);
|
| + verify([source]);
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + reset();
|
| + }
|
| +
|
| + @override
|
| + void tearDown() {
|
| + analysisContext2 = null;
|
| + super.tearDown();
|
| + }
|
| +
|
| + /**
|
| + * Verify that all of the identifiers in the compilation units associated with
|
| + * the given [sources] have been resolved.
|
| + */
|
| + void verify(List<Source> sources) {
|
| + ResolutionVerifier verifier = new ResolutionVerifier();
|
| + for (Source source in sources) {
|
| + List<Source> libraries = analysisContext2.getLibrariesContaining(source);
|
| + for (Source library in libraries) {
|
| + analysisContext2
|
| + .resolveCompilationUnit2(source, library)
|
| + .accept(verifier);
|
| + }
|
| + }
|
| + verifier.assertResolved();
|
| + }
|
| +
|
| + /**
|
| + * @param code the code that assigns the value to the variable "v", no matter how. We check that
|
| + * "v" has expected static and propagated type.
|
| + */
|
| + void _assertPropagatedAssignedType(String code, DartType expectedStaticType,
|
| + DartType expectedPropagatedType) {
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "v = ");
|
| + expect(identifier.staticType, same(expectedStaticType));
|
| + expect(identifier.propagatedType, same(expectedPropagatedType));
|
| + }
|
| +
|
| + /**
|
| + * @param code the code that iterates using variable "v". We check that
|
| + * "v" has expected static and propagated type.
|
| + */
|
| + void _assertPropagatedIterationType(String code, DartType expectedStaticType,
|
| + DartType expectedPropagatedType) {
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "v in ");
|
| + expect(identifier.staticType, same(expectedStaticType));
|
| + expect(identifier.propagatedType, same(expectedPropagatedType));
|
| + }
|
| +
|
| + /**
|
| + * Check the static and propagated types of the expression marked with "; // marker" comment.
|
| + *
|
| + * @param code source code to analyze, with the expression to check marked with "// marker".
|
| + * @param expectedStaticType if non-null, check actual static type is equal to this.
|
| + * @param expectedPropagatedType if non-null, check actual static type is equal to this.
|
| + * @throws Exception
|
| + */
|
| + void _assertTypeOfMarkedExpression(String code, DartType expectedStaticType,
|
| + DartType expectedPropagatedType) {
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "; // marker");
|
| + if (expectedStaticType != null) {
|
| + expect(identifier.staticType, expectedStaticType);
|
| + }
|
| + expect(identifier.propagatedType, expectedPropagatedType);
|
| + }
|
| +
|
| + /**
|
| + * Create a source object representing a file with the given [fileName] and
|
| + * give it an empty content. Return the source that was created.
|
| + */
|
| + FileBasedSource _createNamedSource(String fileName) {
|
| + FileBasedSource source =
|
| + new FileBasedSource(FileUtilities2.createFile(fileName));
|
| + analysisContext2.setContents(source, "");
|
| + return source;
|
| + }
|
| +
|
| + /**
|
| + * Return the `SimpleIdentifier` marked by `marker`. The source code must have no
|
| + * errors and be verifiable.
|
| + *
|
| + * @param code source code to analyze.
|
| + * @param marker marker identifying sought after expression in source code.
|
| + * @return expression marked by the marker.
|
| + * @throws Exception
|
| + */
|
| + SimpleIdentifier _findMarkedIdentifier(String code, String marker) {
|
| + try {
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // Could generalize this further by making [SimpleIdentifier.class] a
|
| + // parameter.
|
| + return EngineTestCase.findNode(
|
| + unit, code, marker, (node) => node is SimpleIdentifier);
|
| + } catch (exception) {
|
| + // Is there a better exception to throw here? The point is that an
|
| + // assertion failure here should be a failure, in both "test_*" and
|
| + // "fail_*" tests. However, an assertion failure is success for the
|
| + // purpose of "fail_*" tests, so without catching them here "fail_*" tests
|
| + // can succeed by failing for the wrong reason.
|
| + throw new JavaException("Unexexpected assertion failure: $exception");
|
| + }
|
| + }
|
| +}
|
| +
|
| +class Scope_EnclosedScopeTest_test_define_duplicate extends Scope {
|
| + GatheringErrorListener listener;
|
| +
|
| + Scope_EnclosedScopeTest_test_define_duplicate(this.listener) : super();
|
| +
|
| + @override
|
| + AnalysisErrorListener get errorListener => listener;
|
| +
|
| + @override
|
| + Element internalLookup(Identifier identifier, String name,
|
| + LibraryElement referencingLibrary) =>
|
| + null;
|
| +}
|
| +
|
| +class Scope_EnclosedScopeTest_test_define_normal extends Scope {
|
| + GatheringErrorListener listener;
|
| +
|
| + Scope_EnclosedScopeTest_test_define_normal(this.listener) : super();
|
| +
|
| + @override
|
| + AnalysisErrorListener get errorListener => listener;
|
| +
|
| + @override
|
| + Element internalLookup(Identifier identifier, String name,
|
| + LibraryElement referencingLibrary) =>
|
| + null;
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class ScopeTest extends ResolverTestCase {
|
| + void test_define_duplicate() {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + ScopeTest_TestScope scope = new ScopeTest_TestScope(errorListener);
|
| + VariableElement element1 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + VariableElement element2 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + scope.define(element1);
|
| + scope.define(element2);
|
| + errorListener.assertErrorsWithSeverities([ErrorSeverity.ERROR]);
|
| + }
|
| +
|
| + void test_define_normal() {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + ScopeTest_TestScope scope = new ScopeTest_TestScope(errorListener);
|
| + VariableElement element1 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v1"));
|
| + VariableElement element2 =
|
| + ElementFactory.localVariableElement(AstFactory.identifier3("v2"));
|
| + scope.define(element1);
|
| + scope.define(element2);
|
| + errorListener.assertNoErrors();
|
| + }
|
| +
|
| + void test_getErrorListener() {
|
| + GatheringErrorListener errorListener = new GatheringErrorListener();
|
| + ScopeTest_TestScope scope = new ScopeTest_TestScope(errorListener);
|
| + expect(scope.errorListener, errorListener);
|
| + }
|
| +
|
| + void test_isPrivateName_nonPrivate() {
|
| + expect(Scope.isPrivateName("Public"), isFalse);
|
| + }
|
| +
|
| + void test_isPrivateName_private() {
|
| + expect(Scope.isPrivateName("_Private"), isTrue);
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * A non-abstract subclass that can be used for testing purposes.
|
| + */
|
| +class ScopeTest_TestScope extends Scope {
|
| + /**
|
| + * The listener that is to be informed when an error is encountered.
|
| + */
|
| + final AnalysisErrorListener errorListener;
|
| +
|
| + ScopeTest_TestScope(this.errorListener);
|
| +
|
| + @override
|
| + Element internalLookup(Identifier identifier, String name,
|
| + LibraryElement referencingLibrary) =>
|
| + localLookup(name, referencingLibrary);
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class SimpleResolverTest extends ResolverTestCase {
|
| + void fail_getter_and_setter_fromMixins_property_access() {
|
| + // TODO(paulberry): it appears that auxiliaryElements isn't properly set on
|
| + // a SimpleIdentifier that's inside a property access. This bug should be
|
| + // fixed.
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + get x => null;
|
| + set x(value) {}
|
| +}
|
| +class M2 {
|
| + get x => null;
|
| + set x(value) {}
|
| +}
|
| +class C extends B with M1, M2 {}
|
| +void main() {
|
| + new C().x += 1;
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that both the getter and setter for "x" in "new C().x" refer to
|
| + // the accessors defined in M2.
|
| + FunctionDeclaration main =
|
| + library.definingCompilationUnit.functions[0].computeNode();
|
| + BlockFunctionBody body = main.functionExpression.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + AssignmentExpression assignment = stmt.expression;
|
| + PropertyAccess propertyAccess = assignment.leftHandSide;
|
| + expect(
|
| + propertyAccess.propertyName.staticElement.enclosingElement.name, 'M2');
|
| + expect(
|
| + propertyAccess
|
| + .propertyName.auxiliaryElements.staticElement.enclosingElement.name,
|
| + 'M2');
|
| + }
|
| +
|
| + void fail_staticInvocation() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + static int get g => (a,b) => 0;
|
| +}
|
| +class B {
|
| + f() {
|
| + A.g(1,0);
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_argumentResolution_required_matching() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, 3);
|
| + }
|
| + void g(a, b, c) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2]);
|
| + }
|
| +
|
| + void test_argumentResolution_required_tooFew() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2);
|
| + }
|
| + void g(a, b, c) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1]);
|
| + }
|
| +
|
| + void test_argumentResolution_required_tooMany() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, 3);
|
| + }
|
| + void g(a, b) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, -1]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndNamed_extra() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, c: 3, d: 4);
|
| + }
|
| + void g(a, b, {c}) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2, -1]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndNamed_matching() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, c: 3);
|
| + }
|
| + void g(a, b, {c}) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndNamed_missing() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, d: 3);
|
| + }
|
| + void g(a, b, {c, d}) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 3]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndPositional_fewer() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, 3);
|
| + }
|
| + void g(a, b, [c, d]) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndPositional_matching() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, 3, 4);
|
| + }
|
| + void g(a, b, [c, d]) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2, 3]);
|
| + }
|
| +
|
| + void test_argumentResolution_requiredAndPositional_more() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void f() {
|
| + g(1, 2, 3, 4);
|
| + }
|
| + void g(a, b, [c]) {}
|
| +}''');
|
| + _validateArgumentResolution(source, [0, 1, 2, -1]);
|
| + }
|
| +
|
| + void test_argumentResolution_setter_propagated() {
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var a = new A();
|
| + a.sss = 0;
|
| +}
|
| +class A {
|
| + set sss(x) {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + // find "a.sss = 0"
|
| + AssignmentExpression assignment;
|
| + {
|
| + FunctionElement mainElement = unit.functions[0];
|
| + FunctionBody mainBody = mainElement.computeNode().functionExpression.body;
|
| + Statement statement = (mainBody as BlockFunctionBody).block.statements[1];
|
| + ExpressionStatement expressionStatement =
|
| + statement as ExpressionStatement;
|
| + assignment = expressionStatement.expression as AssignmentExpression;
|
| + }
|
| + // get parameter
|
| + Expression rhs = assignment.rightHandSide;
|
| + expect(rhs.staticParameterElement, isNull);
|
| + ParameterElement parameter = rhs.propagatedParameterElement;
|
| + expect(parameter, isNotNull);
|
| + expect(parameter.displayName, "x");
|
| + // validate
|
| + ClassElement classA = unit.types[0];
|
| + PropertyAccessorElement setter = classA.accessors[0];
|
| + expect(setter.parameters[0], same(parameter));
|
| + }
|
| +
|
| + void test_argumentResolution_setter_propagated_propertyAccess() {
|
| + Source source = addSource(r'''
|
| +main() {
|
| + var a = new A();
|
| + a.b.sss = 0;
|
| +}
|
| +class A {
|
| + B b = new B();
|
| +}
|
| +class B {
|
| + set sss(x) {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + // find "a.b.sss = 0"
|
| + AssignmentExpression assignment;
|
| + {
|
| + FunctionElement mainElement = unit.functions[0];
|
| + FunctionBody mainBody = mainElement.computeNode().functionExpression.body;
|
| + Statement statement = (mainBody as BlockFunctionBody).block.statements[1];
|
| + ExpressionStatement expressionStatement =
|
| + statement as ExpressionStatement;
|
| + assignment = expressionStatement.expression as AssignmentExpression;
|
| + }
|
| + // get parameter
|
| + Expression rhs = assignment.rightHandSide;
|
| + expect(rhs.staticParameterElement, isNull);
|
| + ParameterElement parameter = rhs.propagatedParameterElement;
|
| + expect(parameter, isNotNull);
|
| + expect(parameter.displayName, "x");
|
| + // validate
|
| + ClassElement classB = unit.types[1];
|
| + PropertyAccessorElement setter = classB.accessors[0];
|
| + expect(setter.parameters[0], same(parameter));
|
| + }
|
| +
|
| + void test_argumentResolution_setter_static() {
|
| + Source source = addSource(r'''
|
| +main() {
|
| + A a = new A();
|
| + a.sss = 0;
|
| +}
|
| +class A {
|
| + set sss(x) {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + // find "a.sss = 0"
|
| + AssignmentExpression assignment;
|
| + {
|
| + FunctionElement mainElement = unit.functions[0];
|
| + FunctionBody mainBody = mainElement.computeNode().functionExpression.body;
|
| + Statement statement = (mainBody as BlockFunctionBody).block.statements[1];
|
| + ExpressionStatement expressionStatement =
|
| + statement as ExpressionStatement;
|
| + assignment = expressionStatement.expression as AssignmentExpression;
|
| + }
|
| + // get parameter
|
| + Expression rhs = assignment.rightHandSide;
|
| + ParameterElement parameter = rhs.staticParameterElement;
|
| + expect(parameter, isNotNull);
|
| + expect(parameter.displayName, "x");
|
| + // validate
|
| + ClassElement classA = unit.types[0];
|
| + PropertyAccessorElement setter = classA.accessors[0];
|
| + expect(setter.parameters[0], same(parameter));
|
| + }
|
| +
|
| + void test_argumentResolution_setter_static_propertyAccess() {
|
| + Source source = addSource(r'''
|
| +main() {
|
| + A a = new A();
|
| + a.b.sss = 0;
|
| +}
|
| +class A {
|
| + B b = new B();
|
| +}
|
| +class B {
|
| + set sss(x) {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + // find "a.b.sss = 0"
|
| + AssignmentExpression assignment;
|
| + {
|
| + FunctionElement mainElement = unit.functions[0];
|
| + FunctionBody mainBody = mainElement.computeNode().functionExpression.body;
|
| + Statement statement = (mainBody as BlockFunctionBody).block.statements[1];
|
| + ExpressionStatement expressionStatement =
|
| + statement as ExpressionStatement;
|
| + assignment = expressionStatement.expression as AssignmentExpression;
|
| + }
|
| + // get parameter
|
| + Expression rhs = assignment.rightHandSide;
|
| + ParameterElement parameter = rhs.staticParameterElement;
|
| + expect(parameter, isNotNull);
|
| + expect(parameter.displayName, "x");
|
| + // validate
|
| + ClassElement classB = unit.types[1];
|
| + PropertyAccessorElement setter = classB.accessors[0];
|
| + expect(setter.parameters[0], same(parameter));
|
| + }
|
| +
|
| + void test_breakTarget_labeled() {
|
| + // Verify that the target of the label is correctly found and is recorded
|
| + // as the unlabeled portion of the statement.
|
| + String text = r'''
|
| +void f() {
|
| + loop1: while (true) {
|
| + loop2: for (int i = 0; i < 10; i++) {
|
| + break loop1;
|
| + break loop2;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + WhileStatement whileStatement = EngineTestCase.findNode(
|
| + unit, text, 'while (true)', (n) => n is WhileStatement);
|
| + ForStatement forStatement =
|
| + EngineTestCase.findNode(unit, text, 'for', (n) => n is ForStatement);
|
| + BreakStatement break1 = EngineTestCase.findNode(
|
| + unit, text, 'break loop1', (n) => n is BreakStatement);
|
| + BreakStatement break2 = EngineTestCase.findNode(
|
| + unit, text, 'break loop2', (n) => n is BreakStatement);
|
| + expect(break1.target, same(whileStatement));
|
| + expect(break2.target, same(forStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakFromDo() {
|
| + String text = r'''
|
| +void f() {
|
| + do {
|
| + break;
|
| + } while (true);
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + DoStatement doStatement =
|
| + EngineTestCase.findNode(unit, text, 'do', (n) => n is DoStatement);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, same(doStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakFromFor() {
|
| + String text = r'''
|
| +void f() {
|
| + for (int i = 0; i < 10; i++) {
|
| + break;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + ForStatement forStatement =
|
| + EngineTestCase.findNode(unit, text, 'for', (n) => n is ForStatement);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, same(forStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakFromForEach() {
|
| + String text = r'''
|
| +void f() {
|
| + for (x in []) {
|
| + break;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + ForEachStatement forStatement = EngineTestCase.findNode(
|
| + unit, text, 'for', (n) => n is ForEachStatement);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, same(forStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakFromSwitch() {
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + switch (0) {
|
| + case 0:
|
| + break;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + SwitchStatement switchStatement = EngineTestCase.findNode(
|
| + unit, text, 'switch', (n) => n is SwitchStatement);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, same(switchStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakFromWhile() {
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + break;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + WhileStatement whileStatement = EngineTestCase.findNode(
|
| + unit, text, 'while', (n) => n is WhileStatement);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, same(whileStatement));
|
| + }
|
| +
|
| + void test_breakTarget_unlabeledBreakToOuterFunction() {
|
| + // Verify that unlabeled break statements can't resolve to loops in an
|
| + // outer function.
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + void g() {
|
| + break;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + BreakStatement breakStatement = EngineTestCase.findNode(
|
| + unit, text, 'break', (n) => n is BreakStatement);
|
| + expect(breakStatement.target, isNull);
|
| + }
|
| +
|
| + void test_class_definesCall() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int call(int x) { return x; }
|
| +}
|
| +int f(A a) {
|
| + return a(0);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_class_extends_implements() {
|
| + Source source = addSource(r'''
|
| +class A extends B implements C {}
|
| +class B {}
|
| +class C {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_commentReference_class() {
|
| + Source source = addSource(r'''
|
| +f() {}
|
| +/** [A] [new A] [A.n] [new A.n] [m] [f] */
|
| +class A {
|
| + A() {}
|
| + A.n() {}
|
| + m() {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_commentReference_parameter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + A() {}
|
| + A.n() {}
|
| + /** [e] [f] */
|
| + m(e, f()) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_commentReference_singleLine() {
|
| + Source source = addSource(r'''
|
| +/// [A]
|
| +class A {}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_continueTarget_labeled() {
|
| + // Verify that the target of the label is correctly found and is recorded
|
| + // as the unlabeled portion of the statement.
|
| + String text = r'''
|
| +void f() {
|
| + loop1: while (true) {
|
| + loop2: for (int i = 0; i < 10; i++) {
|
| + continue loop1;
|
| + continue loop2;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + WhileStatement whileStatement = EngineTestCase.findNode(
|
| + unit, text, 'while (true)', (n) => n is WhileStatement);
|
| + ForStatement forStatement =
|
| + EngineTestCase.findNode(unit, text, 'for', (n) => n is ForStatement);
|
| + ContinueStatement continue1 = EngineTestCase.findNode(
|
| + unit, text, 'continue loop1', (n) => n is ContinueStatement);
|
| + ContinueStatement continue2 = EngineTestCase.findNode(
|
| + unit, text, 'continue loop2', (n) => n is ContinueStatement);
|
| + expect(continue1.target, same(whileStatement));
|
| + expect(continue2.target, same(forStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueFromDo() {
|
| + String text = r'''
|
| +void f() {
|
| + do {
|
| + continue;
|
| + } while (true);
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + DoStatement doStatement =
|
| + EngineTestCase.findNode(unit, text, 'do', (n) => n is DoStatement);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, same(doStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueFromFor() {
|
| + String text = r'''
|
| +void f() {
|
| + for (int i = 0; i < 10; i++) {
|
| + continue;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + ForStatement forStatement =
|
| + EngineTestCase.findNode(unit, text, 'for', (n) => n is ForStatement);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, same(forStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueFromForEach() {
|
| + String text = r'''
|
| +void f() {
|
| + for (x in []) {
|
| + continue;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + ForEachStatement forStatement = EngineTestCase.findNode(
|
| + unit, text, 'for', (n) => n is ForEachStatement);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, same(forStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueFromWhile() {
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + continue;
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + WhileStatement whileStatement = EngineTestCase.findNode(
|
| + unit, text, 'while', (n) => n is WhileStatement);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, same(whileStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueSkipsSwitch() {
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + switch (0) {
|
| + case 0:
|
| + continue;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + WhileStatement whileStatement = EngineTestCase.findNode(
|
| + unit, text, 'while', (n) => n is WhileStatement);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, same(whileStatement));
|
| + }
|
| +
|
| + void test_continueTarget_unlabeledContinueToOuterFunction() {
|
| + // Verify that unlabeled continue statements can't resolve to loops in an
|
| + // outer function.
|
| + String text = r'''
|
| +void f() {
|
| + while (true) {
|
| + void g() {
|
| + continue;
|
| + }
|
| + }
|
| +}
|
| +''';
|
| + CompilationUnit unit = resolveSource(text);
|
| + ContinueStatement continueStatement = EngineTestCase.findNode(
|
| + unit, text, 'continue', (n) => n is ContinueStatement);
|
| + expect(continueStatement.target, isNull);
|
| + }
|
| +
|
| + void test_empty() {
|
| + Source source = addSource("");
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_entryPoint_exported() {
|
| + addNamedSource(
|
| + "/two.dart",
|
| + r'''
|
| +library two;
|
| +main() {}''');
|
| + Source source = addNamedSource(
|
| + "/one.dart",
|
| + r'''
|
| +library one;
|
| +export 'two.dart';''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + FunctionElement main = library.entryPoint;
|
| + expect(main, isNotNull);
|
| + expect(main.library, isNot(same(library)));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_entryPoint_local() {
|
| + Source source = addNamedSource(
|
| + "/one.dart",
|
| + r'''
|
| +library one;
|
| +main() {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + FunctionElement main = library.entryPoint;
|
| + expect(main, isNotNull);
|
| + expect(main.library, same(library));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_entryPoint_none() {
|
| + Source source = addNamedSource("/one.dart", "library one;");
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + expect(library.entryPoint, isNull);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_enum_externalLibrary() {
|
| + addNamedSource(
|
| + "/my_lib.dart",
|
| + r'''
|
| +library my_lib;
|
| +enum EEE {A, B, C}''');
|
| + Source source = addSource(r'''
|
| +import 'my_lib.dart';
|
| +main() {
|
| + EEE e = null;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_extractedMethodAsConstant() {
|
| + Source source = addSource(r'''
|
| +abstract class Comparable<T> {
|
| + int compareTo(T other);
|
| + static int compare(Comparable a, Comparable b) => a.compareTo(b);
|
| +}
|
| +class A {
|
| + void sort([compare = Comparable.compare]) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_fieldFormalParameter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int x;
|
| + A(this.x) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_forEachLoops_nonConflicting() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + List list = [1,2,3];
|
| + for (int x in list) {}
|
| + for (int x in list) {}
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_forLoops_nonConflicting() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + for (int i = 0; i < 3; i++) {
|
| + }
|
| + for (int i = 0; i < 3; i++) {
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_functionTypeAlias() {
|
| + Source source = addSource(r'''
|
| +typedef bool P(e);
|
| +class A {
|
| + P p;
|
| + m(e) {
|
| + if (p(e)) {}
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_getter_and_setter_fromMixins_bare_identifier() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + get x => null;
|
| + set x(value) {}
|
| +}
|
| +class M2 {
|
| + get x => null;
|
| + set x(value) {}
|
| +}
|
| +class C extends B with M1, M2 {
|
| + void f() {
|
| + x += 1;
|
| + }
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that both the getter and setter for "x" in C.f() refer to the
|
| + // accessors defined in M2.
|
| + ClassElement classC = library.definingCompilationUnit.types[3];
|
| + MethodDeclaration f = classC.getMethod('f').computeNode();
|
| + BlockFunctionBody body = f.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + AssignmentExpression assignment = stmt.expression;
|
| + SimpleIdentifier leftHandSide = assignment.leftHandSide;
|
| + expect(leftHandSide.staticElement.enclosingElement.name, 'M2');
|
| + expect(leftHandSide.auxiliaryElements.staticElement.enclosingElement.name,
|
| + 'M2');
|
| + }
|
| +
|
| + void test_getter_fromMixins_bare_identifier() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + get x => null;
|
| +}
|
| +class M2 {
|
| + get x => null;
|
| +}
|
| +class C extends B with M1, M2 {
|
| + f() {
|
| + return x;
|
| + }
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the getter for "x" in C.f() refers to the getter defined in
|
| + // M2.
|
| + ClassElement classC = library.definingCompilationUnit.types[3];
|
| + MethodDeclaration f = classC.getMethod('f').computeNode();
|
| + BlockFunctionBody body = f.body;
|
| + ReturnStatement stmt = body.block.statements[0];
|
| + SimpleIdentifier x = stmt.expression;
|
| + expect(x.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_getter_fromMixins_property_access() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + get x => null;
|
| +}
|
| +class M2 {
|
| + get x => null;
|
| +}
|
| +class C extends B with M1, M2 {}
|
| +void main() {
|
| + var y = new C().x;
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the getter for "x" in "new C().x" refers to the getter
|
| + // defined in M2.
|
| + FunctionDeclaration main =
|
| + library.definingCompilationUnit.functions[0].computeNode();
|
| + BlockFunctionBody body = main.functionExpression.body;
|
| + VariableDeclarationStatement stmt = body.block.statements[0];
|
| + PropertyAccess propertyAccess = stmt.variables.variables[0].initializer;
|
| + expect(
|
| + propertyAccess.propertyName.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_getterAndSetterWithDifferentTypes() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int get f => 0;
|
| + void set f(String s) {}
|
| +}
|
| +g (A a) {
|
| + a.f = a.f.toString();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(
|
| + source, [StaticWarningCode.MISMATCHED_GETTER_AND_SETTER_TYPES]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_hasReferenceToSuper() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B {toString() => super.toString();}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(2));
|
| + expect(classes[0].hasReferenceToSuper, isFalse);
|
| + expect(classes[1].hasReferenceToSuper, isTrue);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_import_hide() {
|
| + addNamedSource(
|
| + "/lib1.dart",
|
| + r'''
|
| +library lib1;
|
| +set foo(value) {}
|
| +class A {}''');
|
| + addNamedSource(
|
| + "/lib2.dart",
|
| + r'''
|
| +library lib2;
|
| +set foo(value) {}''');
|
| + Source source = addNamedSource(
|
| + "/lib3.dart",
|
| + r'''
|
| +import 'lib1.dart' hide foo;
|
| +import 'lib2.dart';
|
| +
|
| +main() {
|
| + foo = 0;
|
| +}
|
| +A a;''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_import_prefix() {
|
| + addNamedSource(
|
| + "/two.dart",
|
| + r'''
|
| +library two;
|
| +f(int x) {
|
| + return x * x;
|
| +}''');
|
| + Source source = addNamedSource(
|
| + "/one.dart",
|
| + r'''
|
| +library one;
|
| +import 'two.dart' as _two;
|
| +main() {
|
| + _two.f(0);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_import_spaceInUri() {
|
| + addNamedSource(
|
| + "/sub folder/lib.dart",
|
| + r'''
|
| +library lib;
|
| +foo() {}''');
|
| + Source source = addNamedSource(
|
| + "/app.dart",
|
| + r'''
|
| +import 'sub folder/lib.dart';
|
| +
|
| +main() {
|
| + foo();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_indexExpression_typeParameters() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + List<int> a;
|
| + a[0];
|
| + List<List<int>> b;
|
| + b[0][0];
|
| + List<List<List<int>>> c;
|
| + c[0][0][0];
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_indexExpression_typeParameters_invalidAssignmentWarning() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + List<List<int>> b;
|
| + b[0][0] = 'hi';
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_indirectOperatorThroughCall() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + B call() { return new B(); }
|
| +}
|
| +
|
| +class B {
|
| + int operator [](int i) { return i; }
|
| +}
|
| +
|
| +A f = new A();
|
| +
|
| +g(int x) {}
|
| +
|
| +main() {
|
| + g(f()[0]);
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_invoke_dynamicThroughGetter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + List get X => [() => 0];
|
| + m(A a) {
|
| + X.last;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isValidMixin_badSuperclass() {
|
| + Source source = addSource(r'''
|
| +class A extends B {}
|
| +class B {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(2));
|
| + expect(classes[0].isValidMixin, isFalse);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isValidMixin_constructor() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + A() {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + expect(classes[0].isValidMixin, isFalse);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isValidMixin_super() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + toString() {
|
| + return super.toString();
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + expect(classes[0].isValidMixin, isFalse);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_isValidMixin_valid() {
|
| + Source source = addSource("class A {}");
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + expect(classes[0].isValidMixin, isTrue);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_labels_switch() {
|
| + Source source = addSource(r'''
|
| +void doSwitch(int target) {
|
| + switch (target) {
|
| + l0: case 0:
|
| + continue l1;
|
| + l1: case 1:
|
| + continue l0;
|
| + default:
|
| + continue l1;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_localVariable_types_invoked() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +main() {
|
| + var myVar = (int p) => 'foo';
|
| + myVar(42);
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnit unit =
|
| + analysisContext.resolveCompilationUnit(source, library);
|
| + expect(unit, isNotNull);
|
| + List<bool> found = [false];
|
| + List<CaughtException> thrownException = new List<CaughtException>(1);
|
| + unit.accept(new _SimpleResolverTest_localVariable_types_invoked(
|
| + this, found, thrownException));
|
| + if (thrownException[0] != null) {
|
| + throw new AnalysisException(
|
| + "Exception", new CaughtException(thrownException[0], null));
|
| + }
|
| + expect(found[0], isTrue);
|
| + }
|
| +
|
| + void test_metadata_class() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +@A class C<A> {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unitElement = library.definingCompilationUnit;
|
| + expect(unitElement, isNotNull);
|
| + List<ClassElement> classes = unitElement.types;
|
| + expect(classes, hasLength(1));
|
| + List<ElementAnnotation> annotations = classes[0].metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + NodeList<CompilationUnitMember> declarations = unit.declarations;
|
| + expect(declarations, hasLength(2));
|
| + Element expectedElement = (declarations[0] as TopLevelVariableDeclaration)
|
| + .variables
|
| + .variables[0].name.staticElement;
|
| + EngineTestCase.assertInstanceOf((obj) => obj is PropertyInducingElement,
|
| + PropertyInducingElement, expectedElement);
|
| + expectedElement = (expectedElement as PropertyInducingElement).getter;
|
| + Element actualElement =
|
| + (declarations[1] as ClassDeclaration).metadata[0].name.staticElement;
|
| + expect(actualElement, same(expectedElement));
|
| + }
|
| +
|
| + void test_metadata_field() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +class C {
|
| + @A int f;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + FieldElement field = classes[0].fields[0];
|
| + List<ElementAnnotation> annotations = field.metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_fieldFormalParameter() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +class C {
|
| + int f;
|
| + C(@A this.f);
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + List<ConstructorElement> constructors = classes[0].constructors;
|
| + expect(constructors, hasLength(1));
|
| + List<ParameterElement> parameters = constructors[0].parameters;
|
| + expect(parameters, hasLength(1));
|
| + List<ElementAnnotation> annotations = parameters[0].metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_function() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +@A f() {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<FunctionElement> functions = unit.functions;
|
| + expect(functions, hasLength(1));
|
| + List<ElementAnnotation> annotations = functions[0].metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_functionTypedParameter() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +f(@A int p(int x)) {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<FunctionElement> functions = unit.functions;
|
| + expect(functions, hasLength(1));
|
| + List<ParameterElement> parameters = functions[0].parameters;
|
| + expect(parameters, hasLength(1));
|
| + List<ElementAnnotation> annotations1 = parameters[0].metadata;
|
| + expect(annotations1, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_libraryDirective() {
|
| + Source source = addSource(r'''
|
| +@A library lib;
|
| +const A = null;''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + List<ElementAnnotation> annotations = library.metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_method() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +class C {
|
| + @A void m() {}
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<ClassElement> classes = unit.types;
|
| + expect(classes, hasLength(1));
|
| + MethodElement method = classes[0].methods[0];
|
| + List<ElementAnnotation> annotations = method.metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_namedParameter() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +f({@A int p : 0}) {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<FunctionElement> functions = unit.functions;
|
| + expect(functions, hasLength(1));
|
| + List<ParameterElement> parameters = functions[0].parameters;
|
| + expect(parameters, hasLength(1));
|
| + List<ElementAnnotation> annotations1 = parameters[0].metadata;
|
| + expect(annotations1, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_positionalParameter() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +f([@A int p = 0]) {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<FunctionElement> functions = unit.functions;
|
| + expect(functions, hasLength(1));
|
| + List<ParameterElement> parameters = functions[0].parameters;
|
| + expect(parameters, hasLength(1));
|
| + List<ElementAnnotation> annotations1 = parameters[0].metadata;
|
| + expect(annotations1, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_simpleParameter() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +f(@A p1, @A int p2) {}''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unit = library.definingCompilationUnit;
|
| + expect(unit, isNotNull);
|
| + List<FunctionElement> functions = unit.functions;
|
| + expect(functions, hasLength(1));
|
| + List<ParameterElement> parameters = functions[0].parameters;
|
| + expect(parameters, hasLength(2));
|
| + List<ElementAnnotation> annotations1 = parameters[0].metadata;
|
| + expect(annotations1, hasLength(1));
|
| + List<ElementAnnotation> annotations2 = parameters[1].metadata;
|
| + expect(annotations2, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_metadata_typedef() {
|
| + Source source = addSource(r'''
|
| +const A = null;
|
| +@A typedef F<A>();''');
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + CompilationUnitElement unitElement = library.definingCompilationUnit;
|
| + expect(unitElement, isNotNull);
|
| + List<FunctionTypeAliasElement> aliases = unitElement.functionTypeAliases;
|
| + expect(aliases, hasLength(1));
|
| + List<ElementAnnotation> annotations = aliases[0].metadata;
|
| + expect(annotations, hasLength(1));
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + NodeList<CompilationUnitMember> declarations = unit.declarations;
|
| + expect(declarations, hasLength(2));
|
| + Element expectedElement = (declarations[0] as TopLevelVariableDeclaration)
|
| + .variables
|
| + .variables[0].name.staticElement;
|
| + EngineTestCase.assertInstanceOf((obj) => obj is PropertyInducingElement,
|
| + PropertyInducingElement, expectedElement);
|
| + expectedElement = (expectedElement as PropertyInducingElement).getter;
|
| + Element actualElement =
|
| + (declarations[1] as FunctionTypeAlias).metadata[0].name.staticElement;
|
| + expect(actualElement, same(expectedElement));
|
| + }
|
| +
|
| + void test_method_fromMixin() {
|
| + Source source = addSource(r'''
|
| +class B {
|
| + bar() => 1;
|
| +}
|
| +class A {
|
| + foo() => 2;
|
| +}
|
| +
|
| +class C extends B with A {
|
| + bar() => super.bar();
|
| + foo() => super.foo();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_method_fromMixins() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + void f() {}
|
| +}
|
| +class M2 {
|
| + void f() {}
|
| +}
|
| +class C extends B with M1, M2 {}
|
| +void main() {
|
| + new C().f();
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the "f" in "new C().f()" refers to the "f" defined in M2.
|
| + FunctionDeclaration main =
|
| + library.definingCompilationUnit.functions[0].computeNode();
|
| + BlockFunctionBody body = main.functionExpression.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + MethodInvocation expr = stmt.expression;
|
| + expect(expr.methodName.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_method_fromMixins_bare_identifier() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + void f() {}
|
| +}
|
| +class M2 {
|
| + void f() {}
|
| +}
|
| +class C extends B with M1, M2 {
|
| + void g() {
|
| + f();
|
| + }
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the call to f() in C.g() refers to the method defined in M2.
|
| + ClassElement classC = library.definingCompilationUnit.types[3];
|
| + MethodDeclaration g = classC.getMethod('g').computeNode();
|
| + BlockFunctionBody body = g.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + MethodInvocation invocation = stmt.expression;
|
| + SimpleIdentifier methodName = invocation.methodName;
|
| + expect(methodName.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_method_fromMixins_invked_from_outside_class() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + void f() {}
|
| +}
|
| +class M2 {
|
| + void f() {}
|
| +}
|
| +class C extends B with M1, M2 {}
|
| +void main() {
|
| + new C().f();
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the call to f() in "new C().f()" refers to the method
|
| + // defined in M2.
|
| + FunctionDeclaration main =
|
| + library.definingCompilationUnit.functions[0].computeNode();
|
| + BlockFunctionBody body = main.functionExpression.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + MethodInvocation invocation = stmt.expression;
|
| + expect(invocation.methodName.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_method_fromSuperclassMixin() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m1() {}
|
| +}
|
| +class B extends Object with A {
|
| +}
|
| +class C extends B {
|
| +}
|
| +f(C c) {
|
| + c.m1();
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_methodCascades() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + void m1() {}
|
| + void m2() {}
|
| + void m() {
|
| + A a = new A();
|
| + a..m1()
|
| + ..m2();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_methodCascades_withSetter() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + String name;
|
| + void m1() {}
|
| + void m2() {}
|
| + void m() {
|
| + A a = new A();
|
| + a..m1()
|
| + ..name = 'name'
|
| + ..m2();
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + // failing with error code: INVOCATION_OF_NON_FUNCTION
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_resolveAgainstNull() {
|
| + Source source = addSource(r'''
|
| +f(var p) {
|
| + return null == p;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_setter_fromMixins_bare_identifier() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + set x(value) {}
|
| +}
|
| +class M2 {
|
| + set x(value) {}
|
| +}
|
| +class C extends B with M1, M2 {
|
| + void f() {
|
| + x = 1;
|
| + }
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the setter for "x" in C.f() refers to the setter defined in
|
| + // M2.
|
| + ClassElement classC = library.definingCompilationUnit.types[3];
|
| + MethodDeclaration f = classC.getMethod('f').computeNode();
|
| + BlockFunctionBody body = f.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + AssignmentExpression assignment = stmt.expression;
|
| + SimpleIdentifier leftHandSide = assignment.leftHandSide;
|
| + expect(leftHandSide.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_setter_fromMixins_property_access() {
|
| + Source source = addSource('''
|
| +class B {}
|
| +class M1 {
|
| + set x(value) {}
|
| +}
|
| +class M2 {
|
| + set x(value) {}
|
| +}
|
| +class C extends B with M1, M2 {}
|
| +void main() {
|
| + new C().x = 1;
|
| +}
|
| +''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + // Verify that the setter for "x" in "new C().x" refers to the setter
|
| + // defined in M2.
|
| + FunctionDeclaration main =
|
| + library.definingCompilationUnit.functions[0].computeNode();
|
| + BlockFunctionBody body = main.functionExpression.body;
|
| + ExpressionStatement stmt = body.block.statements[0];
|
| + AssignmentExpression assignment = stmt.expression;
|
| + PropertyAccess propertyAccess = assignment.leftHandSide;
|
| + expect(
|
| + propertyAccess.propertyName.staticElement.enclosingElement.name, 'M2');
|
| + }
|
| +
|
| + void test_setter_inherited() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + int get x => 0;
|
| + set x(int p) {}
|
| +}
|
| +class B extends A {
|
| + int get x => super.x == null ? 0 : super.x;
|
| + int f() => x = 1;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + void test_setter_static() {
|
| + Source source = addSource(r'''
|
| +set s(x) {
|
| +}
|
| +
|
| +main() {
|
| + s = 123;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + }
|
| +
|
| + /**
|
| + * Resolve the given source and verify that the arguments in a specific method invocation were
|
| + * correctly resolved.
|
| + *
|
| + * The source is expected to be source for a compilation unit, the first declaration is expected
|
| + * to be a class, the first member of which is expected to be a method with a block body, and the
|
| + * first statement in the body is expected to be an expression statement whose expression is a
|
| + * method invocation. It is the arguments to that method invocation that are tested. The method
|
| + * invocation can contain errors.
|
| + *
|
| + * The arguments were resolved correctly if the number of expressions in the list matches the
|
| + * length of the array of indices and if, for each index in the array of indices, the parameter to
|
| + * which the argument expression was resolved is the parameter in the invoked method's list of
|
| + * parameters at that index. Arguments that should not be resolved to a parameter because of an
|
| + * error can be denoted by including a negative index in the array of indices.
|
| + *
|
| + * @param source the source to be resolved
|
| + * @param indices the array of indices used to associate arguments with parameters
|
| + * @throws Exception if the source could not be resolved or if the structure of the source is not
|
| + * valid
|
| + */
|
| + void _validateArgumentResolution(Source source, List<int> indices) {
|
| + LibraryElement library = resolve2(source);
|
| + expect(library, isNotNull);
|
| + ClassElement classElement = library.definingCompilationUnit.types[0];
|
| + List<ParameterElement> parameters = classElement.methods[1].parameters;
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + expect(unit, isNotNull);
|
| + ClassDeclaration classDeclaration =
|
| + unit.declarations[0] as ClassDeclaration;
|
| + MethodDeclaration methodDeclaration =
|
| + classDeclaration.members[0] as MethodDeclaration;
|
| + Block block = (methodDeclaration.body as BlockFunctionBody).block;
|
| + ExpressionStatement statement = block.statements[0] as ExpressionStatement;
|
| + MethodInvocation invocation = statement.expression as MethodInvocation;
|
| + NodeList<Expression> arguments = invocation.argumentList.arguments;
|
| + int argumentCount = arguments.length;
|
| + expect(argumentCount, indices.length);
|
| + for (int i = 0; i < argumentCount; i++) {
|
| + Expression argument = arguments[i];
|
| + ParameterElement element = argument.staticParameterElement;
|
| + int index = indices[i];
|
| + if (index < 0) {
|
| + expect(element, isNull);
|
| + } else {
|
| + expect(element, same(parameters[index]));
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +class SourceContainer_ChangeSetTest_test_toString implements SourceContainer {
|
| + @override
|
| + bool contains(Source source) => false;
|
| +}
|
| +
|
| +/**
|
| + * Like [StaticTypeAnalyzerTest], but as end-to-end tests.
|
| + */
|
| +@reflectiveTest
|
| +class StaticTypeAnalyzer2Test extends _StaticTypeAnalyzer2TestShared {
|
| + void test_FunctionExpressionInvocation_block() {
|
| + String code = r'''
|
| +main() {
|
| + var foo = (() { return 1; })();
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.isDynamic, isTrue);
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_FunctionExpressionInvocation_curried() {
|
| + String code = r'''
|
| +typedef int F();
|
| +F f() => null;
|
| +main() {
|
| + var foo = f()();
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_FunctionExpressionInvocation_expression() {
|
| + String code = r'''
|
| +main() {
|
| + var foo = (() => 1)();
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_MethodInvocation_nameType_localVariable() {
|
| + String code = r"""
|
| +typedef Foo();
|
| +main() {
|
| + Foo foo;
|
| + foo();
|
| +}
|
| +""";
|
| + _resolveTestUnit(code);
|
| + // "foo" should be resolved to the "Foo" type
|
| + SimpleIdentifier identifier = _findIdentifier("foo();");
|
| + DartType type = identifier.staticType;
|
| + expect(type, new isInstanceOf<FunctionType>());
|
| + }
|
| +
|
| + void test_MethodInvocation_nameType_parameter_FunctionTypeAlias() {
|
| + String code = r"""
|
| +typedef Foo();
|
| +main(Foo foo) {
|
| + foo();
|
| +}
|
| +""";
|
| + _resolveTestUnit(code);
|
| + // "foo" should be resolved to the "Foo" type
|
| + SimpleIdentifier identifier = _findIdentifier("foo();");
|
| + DartType type = identifier.staticType;
|
| + expect(type, new isInstanceOf<FunctionType>());
|
| + }
|
| +
|
| + void test_MethodInvocation_nameType_parameter_propagatedType() {
|
| + String code = r"""
|
| +typedef Foo();
|
| +main(p) {
|
| + if (p is Foo) {
|
| + p();
|
| + }
|
| +}
|
| +""";
|
| + _resolveTestUnit(code);
|
| + SimpleIdentifier identifier = _findIdentifier("p()");
|
| + expect(identifier.staticType, DynamicTypeImpl.instance);
|
| + {
|
| + FunctionType type = identifier.propagatedType;
|
| + expect(type, isNotNull);
|
| + expect(type.name, 'Foo');
|
| + }
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class StaticTypeAnalyzerTest extends EngineTestCase {
|
| + /**
|
| + * The error listener to which errors will be reported.
|
| + */
|
| + GatheringErrorListener _listener;
|
| +
|
| + /**
|
| + * The resolver visitor used to create the analyzer.
|
| + */
|
| + ResolverVisitor _visitor;
|
| +
|
| + /**
|
| + * The analyzer being used to analyze the test cases.
|
| + */
|
| + StaticTypeAnalyzer _analyzer;
|
| +
|
| + /**
|
| + * The type provider used to access the types.
|
| + */
|
| + TestTypeProvider _typeProvider;
|
| +
|
| + void fail_visitFunctionExpressionInvocation() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitMethodInvocation() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitSimpleIdentifier() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + _listener = new GatheringErrorListener();
|
| + _typeProvider = new TestTypeProvider();
|
| + _analyzer = _createAnalyzer();
|
| + }
|
| +
|
| + void test_flatten_derived() {
|
| + // class Derived<T> extends Future<T> { ... }
|
| + ClassElementImpl derivedClass =
|
| + ElementFactory.classElement2('Derived', ['T']);
|
| + derivedClass.supertype = _typeProvider.futureType
|
| + .substitute4([derivedClass.typeParameters[0].type]);
|
| + InterfaceType intType = _typeProvider.intType;
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + InterfaceType derivedIntType = derivedClass.type.substitute4([intType]);
|
| + // flatten(Derived) = dynamic
|
| + InterfaceType derivedDynamicType =
|
| + derivedClass.type.substitute4([dynamicType]);
|
| + expect(_flatten(derivedDynamicType), dynamicType);
|
| + // flatten(Derived<int>) = int
|
| + expect(_flatten(derivedIntType), intType);
|
| + // flatten(Derived<Derived>) = Derived
|
| + expect(_flatten(derivedClass.type.substitute4([derivedDynamicType])),
|
| + derivedDynamicType);
|
| + // flatten(Derived<Derived<int>>) = Derived<int>
|
| + expect(_flatten(derivedClass.type.substitute4([derivedIntType])),
|
| + derivedIntType);
|
| + }
|
| +
|
| + void test_flatten_inhibit_recursion() {
|
| + // class A extends B
|
| + // class B extends A
|
| + ClassElementImpl classA = ElementFactory.classElement2('A', []);
|
| + ClassElementImpl classB = ElementFactory.classElement2('B', []);
|
| + classA.supertype = classB.type;
|
| + classB.supertype = classA.type;
|
| + // flatten(A) = A and flatten(B) = B, since neither class contains Future
|
| + // in its class hierarchy. Even though there is a loop in the class
|
| + // hierarchy, flatten() should terminate.
|
| + expect(_flatten(classA.type), classA.type);
|
| + expect(_flatten(classB.type), classB.type);
|
| + }
|
| +
|
| + void test_flatten_related_derived_types() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType numType = _typeProvider.numType;
|
| + // class Derived<T> extends Future<T>
|
| + ClassElementImpl derivedClass =
|
| + ElementFactory.classElement2('Derived', ['T']);
|
| + derivedClass.supertype = _typeProvider.futureType
|
| + .substitute4([derivedClass.typeParameters[0].type]);
|
| + InterfaceType derivedType = derivedClass.type;
|
| + // class A extends Derived<int> implements Derived<num> { ... }
|
| + ClassElementImpl classA =
|
| + ElementFactory.classElement('A', derivedType.substitute4([intType]));
|
| + classA.interfaces = <InterfaceType>[
|
| + derivedType.substitute4([numType])
|
| + ];
|
| + // class B extends Future<num> implements Future<int> { ... }
|
| + ClassElementImpl classB =
|
| + ElementFactory.classElement('B', derivedType.substitute4([numType]));
|
| + classB.interfaces = <InterfaceType>[
|
| + derivedType.substitute4([intType])
|
| + ];
|
| + // flatten(A) = flatten(B) = int, since int is more specific than num.
|
| + // The code in flatten() that inhibits infinite recursion shouldn't be
|
| + // fooled by the fact that Derived appears twice in the type hierarchy.
|
| + expect(_flatten(classA.type), intType);
|
| + expect(_flatten(classB.type), intType);
|
| + }
|
| +
|
| + void test_flatten_related_types() {
|
| + InterfaceType futureType = _typeProvider.futureType;
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType numType = _typeProvider.numType;
|
| + // class A extends Future<int> implements Future<num> { ... }
|
| + ClassElementImpl classA =
|
| + ElementFactory.classElement('A', futureType.substitute4([intType]));
|
| + classA.interfaces = <InterfaceType>[
|
| + futureType.substitute4([numType])
|
| + ];
|
| + // class B extends Future<num> implements Future<int> { ... }
|
| + ClassElementImpl classB =
|
| + ElementFactory.classElement('B', futureType.substitute4([numType]));
|
| + classB.interfaces = <InterfaceType>[
|
| + futureType.substitute4([intType])
|
| + ];
|
| + // flatten(A) = flatten(B) = int, since int is more specific than num.
|
| + expect(_flatten(classA.type), intType);
|
| + expect(_flatten(classB.type), intType);
|
| + }
|
| +
|
| + void test_flatten_simple() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + InterfaceType futureDynamicType = _typeProvider.futureDynamicType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4([intType]);
|
| + InterfaceType futureFutureDynamicType =
|
| + _typeProvider.futureType.substitute4([futureDynamicType]);
|
| + InterfaceType futureFutureIntType =
|
| + _typeProvider.futureType.substitute4([futureIntType]);
|
| + // flatten(int) = int
|
| + expect(_flatten(intType), intType);
|
| + // flatten(dynamic) = dynamic
|
| + expect(_flatten(dynamicType), dynamicType);
|
| + // flatten(Future) = dynamic
|
| + expect(_flatten(futureDynamicType), dynamicType);
|
| + // flatten(Future<int>) = int
|
| + expect(_flatten(futureIntType), intType);
|
| + // flatten(Future<Future>) = dynamic
|
| + expect(_flatten(futureFutureDynamicType), dynamicType);
|
| + // flatten(Future<Future<int>>) = int
|
| + expect(_flatten(futureFutureIntType), intType);
|
| + }
|
| +
|
| + void test_flatten_unrelated_types() {
|
| + InterfaceType futureType = _typeProvider.futureType;
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType stringType = _typeProvider.stringType;
|
| + // class A extends Future<int> implements Future<String> { ... }
|
| + ClassElementImpl classA =
|
| + ElementFactory.classElement('A', futureType.substitute4([intType]));
|
| + classA.interfaces = <InterfaceType>[
|
| + futureType.substitute4([stringType])
|
| + ];
|
| + // class B extends Future<String> implements Future<int> { ... }
|
| + ClassElementImpl classB =
|
| + ElementFactory.classElement('B', futureType.substitute4([stringType]));
|
| + classB.interfaces = <InterfaceType>[
|
| + futureType.substitute4([intType])
|
| + ];
|
| + // flatten(A) = A and flatten(B) = B, since neither string nor int is more
|
| + // specific than the other.
|
| + expect(_flatten(classA.type), classA.type);
|
| + expect(_flatten(classB.type), classB.type);
|
| + }
|
| +
|
| + void test_visitAdjacentStrings() {
|
| + // "a" "b"
|
| + Expression node = AstFactory
|
| + .adjacentStrings([_resolvedString("a"), _resolvedString("b")]);
|
| + expect(_analyze(node), same(_typeProvider.stringType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAsExpression() {
|
| + // class A { ... this as B ... }
|
| + // class B extends A {}
|
| + ClassElement superclass = ElementFactory.classElement2("A");
|
| + InterfaceType superclassType = superclass.type;
|
| + ClassElement subclass = ElementFactory.classElement("B", superclassType);
|
| + Expression node = AstFactory.asExpression(
|
| + AstFactory.thisExpression(), AstFactory.typeName(subclass));
|
| + expect(_analyze3(node, superclassType), same(subclass.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_compound() {
|
| + // i += 1
|
| + InterfaceType numType = _typeProvider.numType;
|
| + SimpleIdentifier identifier = _resolvedVariable(_typeProvider.intType, "i");
|
| + AssignmentExpression node = AstFactory.assignmentExpression(
|
| + identifier, TokenType.PLUS_EQ, _resolvedInteger(1));
|
| + MethodElement plusMethod = getMethod(numType, "+");
|
| + node.staticElement = plusMethod;
|
| + expect(_analyze(node), same(numType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_compoundIfNull_differentTypes() {
|
| + // double d; d ??= 0
|
| + Expression node = AstFactory.assignmentExpression(
|
| + _resolvedVariable(_typeProvider.doubleType, 'd'),
|
| + TokenType.QUESTION_QUESTION_EQ,
|
| + _resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.numType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_compoundIfNull_sameTypes() {
|
| + // int i; i ??= 0
|
| + Expression node = AstFactory.assignmentExpression(
|
| + _resolvedVariable(_typeProvider.intType, 'i'),
|
| + TokenType.QUESTION_QUESTION_EQ,
|
| + _resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAssignmentExpression_simple() {
|
| + // i = 0
|
| + InterfaceType intType = _typeProvider.intType;
|
| + Expression node = AstFactory.assignmentExpression(
|
| + _resolvedVariable(intType, "i"), TokenType.EQ, _resolvedInteger(0));
|
| + expect(_analyze(node), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAwaitExpression_flattened() {
|
| + // await e, where e has type Future<Future<int>>
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[intType]);
|
| + InterfaceType futureFutureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[futureIntType]);
|
| + Expression node =
|
| + AstFactory.awaitExpression(_resolvedVariable(futureFutureIntType, 'e'));
|
| + expect(_analyze(node), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitAwaitExpression_simple() {
|
| + // await e, where e has type Future<int>
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[intType]);
|
| + Expression node =
|
| + AstFactory.awaitExpression(_resolvedVariable(futureIntType, 'e'));
|
| + expect(_analyze(node), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_equals() {
|
| + // 2 == 3
|
| + Expression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(2), TokenType.EQ_EQ, _resolvedInteger(3));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_ifNull() {
|
| + // 1 ?? 1.5
|
| + Expression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(1), TokenType.QUESTION_QUESTION, _resolvedDouble(1.5));
|
| + expect(_analyze(node), same(_typeProvider.numType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_logicalAnd() {
|
| + // false && true
|
| + Expression node = AstFactory.binaryExpression(
|
| + AstFactory.booleanLiteral(false),
|
| + TokenType.AMPERSAND_AMPERSAND,
|
| + AstFactory.booleanLiteral(true));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_logicalOr() {
|
| + // false || true
|
| + Expression node = AstFactory.binaryExpression(
|
| + AstFactory.booleanLiteral(false),
|
| + TokenType.BAR_BAR,
|
| + AstFactory.booleanLiteral(true));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_minusID_propagated() {
|
| + // a - b
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _propagatedVariable(_typeProvider.intType, 'a'),
|
| + TokenType.MINUS,
|
| + _propagatedVariable(_typeProvider.doubleType, 'b'));
|
| + node.propagatedElement = getMethod(_typeProvider.numType, "+");
|
| + _analyze(node);
|
| + expect(node.propagatedType, same(_typeProvider.doubleType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_notEquals() {
|
| + // 2 != 3
|
| + Expression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(2), TokenType.BANG_EQ, _resolvedInteger(3));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_plusID() {
|
| + // 1 + 2.0
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(1), TokenType.PLUS, _resolvedDouble(2.0));
|
| + node.staticElement = getMethod(_typeProvider.numType, "+");
|
| + expect(_analyze(node), same(_typeProvider.doubleType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_plusII() {
|
| + // 1 + 2
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(1), TokenType.PLUS, _resolvedInteger(2));
|
| + node.staticElement = getMethod(_typeProvider.numType, "+");
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_plusII_propagated() {
|
| + // a + b
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _propagatedVariable(_typeProvider.intType, 'a'),
|
| + TokenType.PLUS,
|
| + _propagatedVariable(_typeProvider.intType, 'b'));
|
| + node.propagatedElement = getMethod(_typeProvider.numType, "+");
|
| + _analyze(node);
|
| + expect(node.propagatedType, same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_slash() {
|
| + // 2 / 2
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(2), TokenType.SLASH, _resolvedInteger(2));
|
| + node.staticElement = getMethod(_typeProvider.numType, "/");
|
| + expect(_analyze(node), same(_typeProvider.doubleType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_star_notSpecial() {
|
| + // class A {
|
| + // A operator *(double value);
|
| + // }
|
| + // (a as A) * 2.0
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + InterfaceType typeA = classA.type;
|
| + MethodElement operator =
|
| + ElementFactory.methodElement("*", typeA, [_typeProvider.doubleType]);
|
| + classA.methods = <MethodElement>[operator];
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + AstFactory.asExpression(
|
| + AstFactory.identifier3("a"), AstFactory.typeName(classA)),
|
| + TokenType.PLUS,
|
| + _resolvedDouble(2.0));
|
| + node.staticElement = operator;
|
| + expect(_analyze(node), same(typeA));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBinaryExpression_starID() {
|
| + // 1 * 2.0
|
| + BinaryExpression node = AstFactory.binaryExpression(
|
| + _resolvedInteger(1), TokenType.PLUS, _resolvedDouble(2.0));
|
| + node.staticElement = getMethod(_typeProvider.numType, "*");
|
| + expect(_analyze(node), same(_typeProvider.doubleType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBooleanLiteral_false() {
|
| + // false
|
| + Expression node = AstFactory.booleanLiteral(false);
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitBooleanLiteral_true() {
|
| + // true
|
| + Expression node = AstFactory.booleanLiteral(true);
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitCascadeExpression() {
|
| + // a..length
|
| + Expression node = AstFactory.cascadeExpression(
|
| + _resolvedString("a"), [AstFactory.propertyAccess2(null, "length")]);
|
| + expect(_analyze(node), same(_typeProvider.stringType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitConditionalExpression_differentTypes() {
|
| + // true ? 1.0 : 0
|
| + Expression node = AstFactory.conditionalExpression(
|
| + AstFactory.booleanLiteral(true),
|
| + _resolvedDouble(1.0),
|
| + _resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.numType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitConditionalExpression_sameTypes() {
|
| + // true ? 1 : 0
|
| + Expression node = AstFactory.conditionalExpression(
|
| + AstFactory.booleanLiteral(true),
|
| + _resolvedInteger(1),
|
| + _resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitDoubleLiteral() {
|
| + // 4.33
|
| + Expression node = AstFactory.doubleLiteral(4.33);
|
| + expect(_analyze(node), same(_typeProvider.doubleType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_async_block() {
|
| + // () async {}
|
| + BlockFunctionBody body = AstFactory.blockFunctionBody2();
|
| + body.keyword = TokenFactory.tokenFromString('async');
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(
|
| + _typeProvider.futureDynamicType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_async_expression() {
|
| + // () async => e, where e has type int
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[intType]);
|
| + Expression expression = _resolvedVariable(intType, 'e');
|
| + ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
|
| + body.keyword = TokenFactory.tokenFromString('async');
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(futureIntType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_async_expression_flatten() {
|
| + // () async => e, where e has type Future<int>
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[intType]);
|
| + Expression expression = _resolvedVariable(futureIntType, 'e');
|
| + ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
|
| + body.keyword = TokenFactory.tokenFromString('async');
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(futureIntType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_async_expression_flatten_twice() {
|
| + // () async => e, where e has type Future<Future<int>>
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType futureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[intType]);
|
| + InterfaceType futureFutureIntType =
|
| + _typeProvider.futureType.substitute4(<DartType>[futureIntType]);
|
| + Expression expression = _resolvedVariable(futureFutureIntType, 'e');
|
| + ExpressionFunctionBody body = AstFactory.expressionFunctionBody(expression);
|
| + body.keyword = TokenFactory.tokenFromString('async');
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(futureIntType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_generator_async() {
|
| + // () async* {}
|
| + BlockFunctionBody body = AstFactory.blockFunctionBody2();
|
| + body.keyword = TokenFactory.tokenFromString('async');
|
| + body.star = TokenFactory.tokenFromType(TokenType.STAR);
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(
|
| + _typeProvider.streamDynamicType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_generator_sync() {
|
| + // () sync* {}
|
| + BlockFunctionBody body = AstFactory.blockFunctionBody2();
|
| + body.keyword = TokenFactory.tokenFromString('sync');
|
| + body.star = TokenFactory.tokenFromType(TokenType.STAR);
|
| + FunctionExpression node =
|
| + _resolvedFunctionExpression(AstFactory.formalParameterList([]), body);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(
|
| + _typeProvider.iterableDynamicType, null, null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_named_block() {
|
| + // ({p1 : 0, p2 : 0}) {}
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.namedFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p1"), _resolvedInteger(0));
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.namedFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.blockFunctionBody2());
|
| + _analyze5(p1);
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
|
| + expectedNamedTypes["p1"] = dynamicType;
|
| + expectedNamedTypes["p2"] = dynamicType;
|
| + _assertFunctionType(
|
| + dynamicType, null, null, expectedNamedTypes, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_named_expression() {
|
| + // ({p : 0}) -> 0;
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p = AstFactory.namedFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p"), _resolvedInteger(0));
|
| + _setType(p, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p]),
|
| + AstFactory.expressionFunctionBody(_resolvedInteger(0)));
|
| + _analyze5(p);
|
| + DartType resultType = _analyze(node);
|
| + Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
|
| + expectedNamedTypes["p"] = dynamicType;
|
| + _assertFunctionType(
|
| + _typeProvider.intType, null, null, expectedNamedTypes, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normal_block() {
|
| + // (p1, p2) {}
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.simpleFormalParameter3("p2");
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.blockFunctionBody2());
|
| + _analyze5(p1);
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(dynamicType, <DartType>[dynamicType, dynamicType], null,
|
| + null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normal_expression() {
|
| + // (p1, p2) -> 0
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p = AstFactory.simpleFormalParameter3("p");
|
| + _setType(p, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p]),
|
| + AstFactory.expressionFunctionBody(_resolvedInteger(0)));
|
| + _analyze5(p);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(
|
| + _typeProvider.intType, <DartType>[dynamicType], null, null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normalAndNamed_block() {
|
| + // (p1, {p2 : 0}) {}
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.namedFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.blockFunctionBody2());
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
|
| + expectedNamedTypes["p2"] = dynamicType;
|
| + _assertFunctionType(dynamicType, <DartType>[dynamicType], null,
|
| + expectedNamedTypes, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normalAndNamed_expression() {
|
| + // (p1, {p2 : 0}) -> 0
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.namedFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.expressionFunctionBody(_resolvedInteger(0)));
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + Map<String, DartType> expectedNamedTypes = new HashMap<String, DartType>();
|
| + expectedNamedTypes["p2"] = dynamicType;
|
| + _assertFunctionType(_typeProvider.intType, <DartType>[dynamicType], null,
|
| + expectedNamedTypes, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normalAndPositional_block() {
|
| + // (p1, [p2 = 0]) {}
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.positionalFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.blockFunctionBody2());
|
| + _analyze5(p1);
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(dynamicType, <DartType>[dynamicType],
|
| + <DartType>[dynamicType], null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_normalAndPositional_expression() {
|
| + // (p1, [p2 = 0]) -> 0
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.simpleFormalParameter3("p1");
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.positionalFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.expressionFunctionBody(_resolvedInteger(0)));
|
| + _analyze5(p1);
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(_typeProvider.intType, <DartType>[dynamicType],
|
| + <DartType>[dynamicType], null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_positional_block() {
|
| + // ([p1 = 0, p2 = 0]) {}
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p1 = AstFactory.positionalFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p1"), _resolvedInteger(0));
|
| + _setType(p1, dynamicType);
|
| + FormalParameter p2 = AstFactory.positionalFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p2"), _resolvedInteger(0));
|
| + _setType(p2, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p1, p2]),
|
| + AstFactory.blockFunctionBody2());
|
| + _analyze5(p1);
|
| + _analyze5(p2);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(dynamicType, null, <DartType>[dynamicType, dynamicType],
|
| + null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionExpression_positional_expression() {
|
| + // ([p1 = 0, p2 = 0]) -> 0
|
| + DartType dynamicType = _typeProvider.dynamicType;
|
| + FormalParameter p = AstFactory.positionalFormalParameter(
|
| + AstFactory.simpleFormalParameter3("p"), _resolvedInteger(0));
|
| + _setType(p, dynamicType);
|
| + FunctionExpression node = _resolvedFunctionExpression(
|
| + AstFactory.formalParameterList([p]),
|
| + AstFactory.expressionFunctionBody(_resolvedInteger(0)));
|
| + _analyze5(p);
|
| + DartType resultType = _analyze(node);
|
| + _assertFunctionType(
|
| + _typeProvider.intType, null, <DartType>[dynamicType], null, resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_getter() {
|
| + // List a;
|
| + // a[2]
|
| + InterfaceType listType = _typeProvider.listType;
|
| + SimpleIdentifier identifier = _resolvedVariable(listType, "a");
|
| + IndexExpression node =
|
| + AstFactory.indexExpression(identifier, _resolvedInteger(2));
|
| + MethodElement indexMethod = listType.element.methods[0];
|
| + node.staticElement = indexMethod;
|
| + expect(_analyze(node), same(listType.typeArguments[0]));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_setter() {
|
| + // List a;
|
| + // a[2] = 0
|
| + InterfaceType listType = _typeProvider.listType;
|
| + SimpleIdentifier identifier = _resolvedVariable(listType, "a");
|
| + IndexExpression node =
|
| + AstFactory.indexExpression(identifier, _resolvedInteger(2));
|
| + MethodElement indexMethod = listType.element.methods[1];
|
| + node.staticElement = indexMethod;
|
| + AstFactory.assignmentExpression(node, TokenType.EQ, AstFactory.integer(0));
|
| + expect(_analyze(node), same(listType.typeArguments[0]));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_typeParameters() {
|
| + // List<int> list = ...
|
| + // list[0]
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType listType = _typeProvider.listType;
|
| + // (int) -> E
|
| + MethodElement methodElement = getMethod(listType, "[]");
|
| + // "list" has type List<int>
|
| + SimpleIdentifier identifier = AstFactory.identifier3("list");
|
| + InterfaceType listOfIntType = listType.substitute4(<DartType>[intType]);
|
| + identifier.staticType = listOfIntType;
|
| + // list[0] has MethodElement element (int) -> E
|
| + IndexExpression indexExpression =
|
| + AstFactory.indexExpression(identifier, AstFactory.integer(0));
|
| + MethodElement indexMethod = MethodMember.from(methodElement, listOfIntType);
|
| + indexExpression.staticElement = indexMethod;
|
| + // analyze and assert result of the index expression
|
| + expect(_analyze(indexExpression), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIndexExpression_typeParameters_inSetterContext() {
|
| + // List<int> list = ...
|
| + // list[0] = 0;
|
| + InterfaceType intType = _typeProvider.intType;
|
| + InterfaceType listType = _typeProvider.listType;
|
| + // (int, E) -> void
|
| + MethodElement methodElement = getMethod(listType, "[]=");
|
| + // "list" has type List<int>
|
| + SimpleIdentifier identifier = AstFactory.identifier3("list");
|
| + InterfaceType listOfIntType = listType.substitute4(<DartType>[intType]);
|
| + identifier.staticType = listOfIntType;
|
| + // list[0] has MethodElement element (int) -> E
|
| + IndexExpression indexExpression =
|
| + AstFactory.indexExpression(identifier, AstFactory.integer(0));
|
| + MethodElement indexMethod = MethodMember.from(methodElement, listOfIntType);
|
| + indexExpression.staticElement = indexMethod;
|
| + // list[0] should be in a setter context
|
| + AstFactory.assignmentExpression(
|
| + indexExpression, TokenType.EQ, AstFactory.integer(0));
|
| + // analyze and assert result of the index expression
|
| + expect(_analyze(indexExpression), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_named() {
|
| + // new C.m()
|
| + ClassElementImpl classElement = ElementFactory.classElement2("C");
|
| + String constructorName = "m";
|
| + ConstructorElementImpl constructor =
|
| + ElementFactory.constructorElement2(classElement, constructorName);
|
| + constructor.returnType = classElement.type;
|
| + FunctionTypeImpl constructorType = new FunctionTypeImpl(constructor);
|
| + constructor.type = constructorType;
|
| + classElement.constructors = <ConstructorElement>[constructor];
|
| + InstanceCreationExpression node = AstFactory.instanceCreationExpression2(
|
| + null,
|
| + AstFactory.typeName(classElement),
|
| + [AstFactory.identifier3(constructorName)]);
|
| + node.staticElement = constructor;
|
| + expect(_analyze(node), same(classElement.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_typeParameters() {
|
| + // new C<I>()
|
| + ClassElementImpl elementC = ElementFactory.classElement2("C", ["E"]);
|
| + ClassElementImpl elementI = ElementFactory.classElement2("I");
|
| + ConstructorElementImpl constructor =
|
| + ElementFactory.constructorElement2(elementC, null);
|
| + elementC.constructors = <ConstructorElement>[constructor];
|
| + constructor.returnType = elementC.type;
|
| + FunctionTypeImpl constructorType = new FunctionTypeImpl(constructor);
|
| + constructor.type = constructorType;
|
| + TypeName typeName =
|
| + AstFactory.typeName(elementC, [AstFactory.typeName(elementI)]);
|
| + typeName.type = elementC.type.substitute4(<DartType>[elementI.type]);
|
| + InstanceCreationExpression node =
|
| + AstFactory.instanceCreationExpression2(null, typeName);
|
| + node.staticElement = constructor;
|
| + InterfaceType interfaceType = _analyze(node) as InterfaceType;
|
| + List<DartType> typeArgs = interfaceType.typeArguments;
|
| + expect(typeArgs.length, 1);
|
| + expect(typeArgs[0], elementI.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitInstanceCreationExpression_unnamed() {
|
| + // new C()
|
| + ClassElementImpl classElement = ElementFactory.classElement2("C");
|
| + ConstructorElementImpl constructor =
|
| + ElementFactory.constructorElement2(classElement, null);
|
| + constructor.returnType = classElement.type;
|
| + FunctionTypeImpl constructorType = new FunctionTypeImpl(constructor);
|
| + constructor.type = constructorType;
|
| + classElement.constructors = <ConstructorElement>[constructor];
|
| + InstanceCreationExpression node = AstFactory.instanceCreationExpression2(
|
| + null, AstFactory.typeName(classElement));
|
| + node.staticElement = constructor;
|
| + expect(_analyze(node), same(classElement.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIntegerLiteral() {
|
| + // 42
|
| + Expression node = _resolvedInteger(42);
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIsExpression_negated() {
|
| + // a is! String
|
| + Expression node = AstFactory.isExpression(
|
| + _resolvedString("a"), true, AstFactory.typeName4("String"));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitIsExpression_notNegated() {
|
| + // a is String
|
| + Expression node = AstFactory.isExpression(
|
| + _resolvedString("a"), false, AstFactory.typeName4("String"));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitListLiteral_empty() {
|
| + // []
|
| + Expression node = AstFactory.listLiteral();
|
| + DartType resultType = _analyze(node);
|
| + _assertType2(
|
| + _typeProvider.listType
|
| + .substitute4(<DartType>[_typeProvider.dynamicType]),
|
| + resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitListLiteral_nonEmpty() {
|
| + // [0]
|
| + Expression node = AstFactory.listLiteral([_resolvedInteger(0)]);
|
| + DartType resultType = _analyze(node);
|
| + _assertType2(
|
| + _typeProvider.listType
|
| + .substitute4(<DartType>[_typeProvider.dynamicType]),
|
| + resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMapLiteral_empty() {
|
| + // {}
|
| + Expression node = AstFactory.mapLiteral2();
|
| + DartType resultType = _analyze(node);
|
| + _assertType2(
|
| + _typeProvider.mapType.substitute4(
|
| + <DartType>[_typeProvider.dynamicType, _typeProvider.dynamicType]),
|
| + resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMapLiteral_nonEmpty() {
|
| + // {"k" : 0}
|
| + Expression node = AstFactory
|
| + .mapLiteral2([AstFactory.mapLiteralEntry("k", _resolvedInteger(0))]);
|
| + DartType resultType = _analyze(node);
|
| + _assertType2(
|
| + _typeProvider.mapType.substitute4(
|
| + <DartType>[_typeProvider.dynamicType, _typeProvider.dynamicType]),
|
| + resultType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMethodInvocation_then() {
|
| + // then()
|
| + Expression node = AstFactory.methodInvocation(null, "then");
|
| + _analyze(node);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitNamedExpression() {
|
| + // n: a
|
| + Expression node = AstFactory.namedExpression2("n", _resolvedString("a"));
|
| + expect(_analyze(node), same(_typeProvider.stringType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitNullLiteral() {
|
| + // null
|
| + Expression node = AstFactory.nullLiteral();
|
| + expect(_analyze(node), same(_typeProvider.bottomType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitParenthesizedExpression() {
|
| + // (0)
|
| + Expression node = AstFactory.parenthesizedExpression(_resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPostfixExpression_minusMinus() {
|
| + // 0--
|
| + PostfixExpression node = AstFactory.postfixExpression(
|
| + _resolvedInteger(0), TokenType.MINUS_MINUS);
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPostfixExpression_plusPlus() {
|
| + // 0++
|
| + PostfixExpression node =
|
| + AstFactory.postfixExpression(_resolvedInteger(0), TokenType.PLUS_PLUS);
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_getter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + PropertyAccessorElementImpl getter =
|
| + ElementFactory.getterElement("b", false, boolType);
|
| + PrefixedIdentifier node = AstFactory.identifier5("a", "b");
|
| + node.identifier.staticElement = getter;
|
| + expect(_analyze(node), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_setter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + FieldElementImpl field =
|
| + ElementFactory.fieldElement("b", false, false, false, boolType);
|
| + PropertyAccessorElement setter = field.setter;
|
| + PrefixedIdentifier node = AstFactory.identifier5("a", "b");
|
| + node.identifier.staticElement = setter;
|
| + expect(_analyze(node), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixedIdentifier_variable() {
|
| + VariableElementImpl variable = ElementFactory.localVariableElement2("b");
|
| + variable.type = _typeProvider.boolType;
|
| + PrefixedIdentifier node = AstFactory.identifier5("a", "b");
|
| + node.identifier.staticElement = variable;
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_bang() {
|
| + // !0
|
| + PrefixExpression node =
|
| + AstFactory.prefixExpression(TokenType.BANG, _resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_minus() {
|
| + // -0
|
| + PrefixExpression node =
|
| + AstFactory.prefixExpression(TokenType.MINUS, _resolvedInteger(0));
|
| + MethodElement minusMethod = getMethod(_typeProvider.numType, "-");
|
| + node.staticElement = minusMethod;
|
| + expect(_analyze(node), same(_typeProvider.numType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_minusMinus() {
|
| + // --0
|
| + PrefixExpression node =
|
| + AstFactory.prefixExpression(TokenType.MINUS_MINUS, _resolvedInteger(0));
|
| + MethodElement minusMethod = getMethod(_typeProvider.numType, "-");
|
| + node.staticElement = minusMethod;
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_not() {
|
| + // !true
|
| + Expression node = AstFactory.prefixExpression(
|
| + TokenType.BANG, AstFactory.booleanLiteral(true));
|
| + expect(_analyze(node), same(_typeProvider.boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_plusPlus() {
|
| + // ++0
|
| + PrefixExpression node =
|
| + AstFactory.prefixExpression(TokenType.PLUS_PLUS, _resolvedInteger(0));
|
| + MethodElement plusMethod = getMethod(_typeProvider.numType, "+");
|
| + node.staticElement = plusMethod;
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPrefixExpression_tilde() {
|
| + // ~0
|
| + PrefixExpression node =
|
| + AstFactory.prefixExpression(TokenType.TILDE, _resolvedInteger(0));
|
| + MethodElement tildeMethod = getMethod(_typeProvider.intType, "~");
|
| + node.staticElement = tildeMethod;
|
| + expect(_analyze(node), same(_typeProvider.intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_propagated_getter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + PropertyAccessorElementImpl getter =
|
| + ElementFactory.getterElement("b", false, boolType);
|
| + PropertyAccess node =
|
| + AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
|
| + node.propertyName.propagatedElement = getter;
|
| + expect(_analyze2(node, false), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_propagated_setter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + FieldElementImpl field =
|
| + ElementFactory.fieldElement("b", false, false, false, boolType);
|
| + PropertyAccessorElement setter = field.setter;
|
| + PropertyAccess node =
|
| + AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
|
| + node.propertyName.propagatedElement = setter;
|
| + expect(_analyze2(node, false), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_static_getter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + PropertyAccessorElementImpl getter =
|
| + ElementFactory.getterElement("b", false, boolType);
|
| + PropertyAccess node =
|
| + AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
|
| + node.propertyName.staticElement = getter;
|
| + expect(_analyze(node), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitPropertyAccess_static_setter() {
|
| + DartType boolType = _typeProvider.boolType;
|
| + FieldElementImpl field =
|
| + ElementFactory.fieldElement("b", false, false, false, boolType);
|
| + PropertyAccessorElement setter = field.setter;
|
| + PropertyAccess node =
|
| + AstFactory.propertyAccess2(AstFactory.identifier3("a"), "b");
|
| + node.propertyName.staticElement = setter;
|
| + expect(_analyze(node), same(boolType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleIdentifier_dynamic() {
|
| + // "dynamic"
|
| + SimpleIdentifier identifier = AstFactory.identifier3('dynamic');
|
| + DynamicElementImpl element = DynamicElementImpl.instance;
|
| + identifier.staticElement = element;
|
| + identifier.staticType = _typeProvider.typeType;
|
| + expect(_analyze(identifier), same(_typeProvider.typeType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleStringLiteral() {
|
| + // "a"
|
| + Expression node = _resolvedString("a");
|
| + expect(_analyze(node), same(_typeProvider.stringType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitStringInterpolation() {
|
| + // "a${'b'}c"
|
| + Expression node = AstFactory.string([
|
| + AstFactory.interpolationString("a", "a"),
|
| + AstFactory.interpolationExpression(_resolvedString("b")),
|
| + AstFactory.interpolationString("c", "c")
|
| + ]);
|
| + expect(_analyze(node), same(_typeProvider.stringType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSuperExpression() {
|
| + // super
|
| + InterfaceType superType = ElementFactory.classElement2("A").type;
|
| + InterfaceType thisType = ElementFactory.classElement("B", superType).type;
|
| + Expression node = AstFactory.superExpression();
|
| + expect(_analyze3(node, thisType), same(thisType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSymbolLiteral() {
|
| + expect(_analyze(AstFactory.symbolLiteral(["a"])),
|
| + same(_typeProvider.symbolType));
|
| + }
|
| +
|
| + void test_visitThisExpression() {
|
| + // this
|
| + InterfaceType thisType = ElementFactory
|
| + .classElement("B", ElementFactory.classElement2("A").type)
|
| + .type;
|
| + Expression node = AstFactory.thisExpression();
|
| + expect(_analyze3(node, thisType), same(thisType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitThrowExpression_withoutValue() {
|
| + // throw
|
| + Expression node = AstFactory.throwExpression();
|
| + expect(_analyze(node), same(_typeProvider.bottomType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitThrowExpression_withValue() {
|
| + // throw 0
|
| + Expression node = AstFactory.throwExpression2(_resolvedInteger(0));
|
| + expect(_analyze(node), same(_typeProvider.bottomType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + /**
|
| + * Return the type associated with the given expression after the static type analyzer has
|
| + * computed a type for it.
|
| + *
|
| + * @param node the expression with which the type is associated
|
| + * @return the type associated with the expression
|
| + */
|
| + DartType _analyze(Expression node) => _analyze4(node, null, true);
|
| +
|
| + /**
|
| + * Return the type associated with the given expression after the static or propagated type
|
| + * analyzer has computed a type for it.
|
| + *
|
| + * @param node the expression with which the type is associated
|
| + * @param useStaticType `true` if the static type is being requested, and `false` if
|
| + * the propagated type is being requested
|
| + * @return the type associated with the expression
|
| + */
|
| + DartType _analyze2(Expression node, bool useStaticType) =>
|
| + _analyze4(node, null, useStaticType);
|
| +
|
| + /**
|
| + * Return the type associated with the given expression after the static type analyzer has
|
| + * computed a type for it.
|
| + *
|
| + * @param node the expression with which the type is associated
|
| + * @param thisType the type of 'this'
|
| + * @return the type associated with the expression
|
| + */
|
| + DartType _analyze3(Expression node, InterfaceType thisType) =>
|
| + _analyze4(node, thisType, true);
|
| +
|
| + /**
|
| + * Return the type associated with the given expression after the static type analyzer has
|
| + * computed a type for it.
|
| + *
|
| + * @param node the expression with which the type is associated
|
| + * @param thisType the type of 'this'
|
| + * @param useStaticType `true` if the static type is being requested, and `false` if
|
| + * the propagated type is being requested
|
| + * @return the type associated with the expression
|
| + */
|
| + DartType _analyze4(
|
| + Expression node, InterfaceType thisType, bool useStaticType) {
|
| + try {
|
| + _analyzer.thisType = thisType;
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException(
|
| + "Could not set type of 'this'", exception);
|
| + }
|
| + node.accept(_analyzer);
|
| + if (useStaticType) {
|
| + return node.staticType;
|
| + } else {
|
| + return node.propagatedType;
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Return the type associated with the given parameter after the static type analyzer has computed
|
| + * a type for it.
|
| + *
|
| + * @param node the parameter with which the type is associated
|
| + * @return the type associated with the parameter
|
| + */
|
| + DartType _analyze5(FormalParameter node) {
|
| + node.accept(_analyzer);
|
| + return (node.identifier.staticElement as ParameterElement).type;
|
| + }
|
| +
|
| + /**
|
| + * Assert that the actual type is a function type with the expected characteristics.
|
| + *
|
| + * @param expectedReturnType the expected return type of the function
|
| + * @param expectedNormalTypes the expected types of the normal parameters
|
| + * @param expectedOptionalTypes the expected types of the optional parameters
|
| + * @param expectedNamedTypes the expected types of the named parameters
|
| + * @param actualType the type being tested
|
| + */
|
| + void _assertFunctionType(
|
| + DartType expectedReturnType,
|
| + List<DartType> expectedNormalTypes,
|
| + List<DartType> expectedOptionalTypes,
|
| + Map<String, DartType> expectedNamedTypes,
|
| + DartType actualType) {
|
| + EngineTestCase.assertInstanceOf(
|
| + (obj) => obj is FunctionType, FunctionType, actualType);
|
| + FunctionType functionType = actualType as FunctionType;
|
| + List<DartType> normalTypes = functionType.normalParameterTypes;
|
| + if (expectedNormalTypes == null) {
|
| + expect(normalTypes, hasLength(0));
|
| + } else {
|
| + int expectedCount = expectedNormalTypes.length;
|
| + expect(normalTypes, hasLength(expectedCount));
|
| + for (int i = 0; i < expectedCount; i++) {
|
| + expect(normalTypes[i], same(expectedNormalTypes[i]));
|
| + }
|
| + }
|
| + List<DartType> optionalTypes = functionType.optionalParameterTypes;
|
| + if (expectedOptionalTypes == null) {
|
| + expect(optionalTypes, hasLength(0));
|
| + } else {
|
| + int expectedCount = expectedOptionalTypes.length;
|
| + expect(optionalTypes, hasLength(expectedCount));
|
| + for (int i = 0; i < expectedCount; i++) {
|
| + expect(optionalTypes[i], same(expectedOptionalTypes[i]));
|
| + }
|
| + }
|
| + Map<String, DartType> namedTypes = functionType.namedParameterTypes;
|
| + if (expectedNamedTypes == null) {
|
| + expect(namedTypes, hasLength(0));
|
| + } else {
|
| + expect(namedTypes, hasLength(expectedNamedTypes.length));
|
| + expectedNamedTypes.forEach((String name, DartType type) {
|
| + expect(namedTypes[name], same(type));
|
| + });
|
| + }
|
| + expect(functionType.returnType, equals(expectedReturnType));
|
| + }
|
| +
|
| + void _assertType(
|
| + InterfaceTypeImpl expectedType, InterfaceTypeImpl actualType) {
|
| + expect(actualType.displayName, expectedType.displayName);
|
| + expect(actualType.element, expectedType.element);
|
| + List<DartType> expectedArguments = expectedType.typeArguments;
|
| + int length = expectedArguments.length;
|
| + List<DartType> actualArguments = actualType.typeArguments;
|
| + expect(actualArguments, hasLength(length));
|
| + for (int i = 0; i < length; i++) {
|
| + _assertType2(expectedArguments[i], actualArguments[i]);
|
| + }
|
| + }
|
| +
|
| + void _assertType2(DartType expectedType, DartType actualType) {
|
| + if (expectedType is InterfaceTypeImpl) {
|
| + EngineTestCase.assertInstanceOf(
|
| + (obj) => obj is InterfaceTypeImpl, InterfaceTypeImpl, actualType);
|
| + _assertType(expectedType, actualType as InterfaceTypeImpl);
|
| + }
|
| + // TODO(brianwilkerson) Compare other kinds of types then make this a shared
|
| + // utility method.
|
| + }
|
| +
|
| + /**
|
| + * Create the analyzer used by the tests.
|
| + *
|
| + * @return the analyzer to be used by the tests
|
| + */
|
| + StaticTypeAnalyzer _createAnalyzer() {
|
| + InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + FileBasedSource source =
|
| + new FileBasedSource(FileUtilities2.createFile("/lib.dart"));
|
| + CompilationUnitElementImpl definingCompilationUnit =
|
| + new CompilationUnitElementImpl("lib.dart");
|
| + definingCompilationUnit.librarySource =
|
| + definingCompilationUnit.source = source;
|
| + LibraryElementImpl definingLibrary =
|
| + new LibraryElementImpl.forNode(context, null);
|
| + definingLibrary.definingCompilationUnit = definingCompilationUnit;
|
| + Library library = new Library(context, _listener, source);
|
| + library.libraryElement = definingLibrary;
|
| + _visitor = new ResolverVisitor(
|
| + library.libraryElement, source, _typeProvider, library.errorListener,
|
| + nameScope: library.libraryScope,
|
| + inheritanceManager: library.inheritanceManager);
|
| + _visitor.overrideManager.enterScope();
|
| + try {
|
| + return _visitor.typeAnalyzer;
|
| + } catch (exception) {
|
| + throw new IllegalArgumentException(
|
| + "Could not create analyzer", exception);
|
| + }
|
| + }
|
| +
|
| + DartType _flatten(DartType type) =>
|
| + StaticTypeAnalyzer.flattenFutures(_typeProvider, type);
|
| +
|
| + /**
|
| + * Return a simple identifier that has been resolved to a variable element with the given type.
|
| + *
|
| + * @param type the type of the variable being represented
|
| + * @param variableName the name of the variable
|
| + * @return a simple identifier that has been resolved to a variable element with the given type
|
| + */
|
| + SimpleIdentifier _propagatedVariable(
|
| + InterfaceType type, String variableName) {
|
| + SimpleIdentifier identifier = AstFactory.identifier3(variableName);
|
| + VariableElementImpl element =
|
| + ElementFactory.localVariableElement(identifier);
|
| + element.type = type;
|
| + identifier.staticType = _typeProvider.dynamicType;
|
| + identifier.propagatedElement = element;
|
| + identifier.propagatedType = type;
|
| + return identifier;
|
| + }
|
| +
|
| + /**
|
| + * Return an integer literal that has been resolved to the correct type.
|
| + *
|
| + * @param value the value of the literal
|
| + * @return an integer literal that has been resolved to the correct type
|
| + */
|
| + DoubleLiteral _resolvedDouble(double value) {
|
| + DoubleLiteral literal = AstFactory.doubleLiteral(value);
|
| + literal.staticType = _typeProvider.doubleType;
|
| + return literal;
|
| + }
|
| +
|
| + /**
|
| + * Create a function expression that has an element associated with it, where the element has an
|
| + * incomplete type associated with it (just like the one
|
| + * [ElementBuilder.visitFunctionExpression] would have built if we had
|
| + * run it).
|
| + *
|
| + * @param parameters the parameters to the function
|
| + * @param body the body of the function
|
| + * @return a resolved function expression
|
| + */
|
| + FunctionExpression _resolvedFunctionExpression(
|
| + FormalParameterList parameters, FunctionBody body) {
|
| + List<ParameterElement> parameterElements = new List<ParameterElement>();
|
| + for (FormalParameter parameter in parameters.parameters) {
|
| + ParameterElementImpl element =
|
| + new ParameterElementImpl.forNode(parameter.identifier);
|
| + element.parameterKind = parameter.kind;
|
| + element.type = _typeProvider.dynamicType;
|
| + parameter.identifier.staticElement = element;
|
| + parameterElements.add(element);
|
| + }
|
| + FunctionExpression node = AstFactory.functionExpression2(parameters, body);
|
| + FunctionElementImpl element = new FunctionElementImpl.forNode(null);
|
| + element.parameters = parameterElements;
|
| + element.type = new FunctionTypeImpl(element);
|
| + node.element = element;
|
| + return node;
|
| + }
|
| +
|
| + /**
|
| + * Return an integer literal that has been resolved to the correct type.
|
| + *
|
| + * @param value the value of the literal
|
| + * @return an integer literal that has been resolved to the correct type
|
| + */
|
| + IntegerLiteral _resolvedInteger(int value) {
|
| + IntegerLiteral literal = AstFactory.integer(value);
|
| + literal.staticType = _typeProvider.intType;
|
| + return literal;
|
| + }
|
| +
|
| + /**
|
| + * Return a string literal that has been resolved to the correct type.
|
| + *
|
| + * @param value the value of the literal
|
| + * @return a string literal that has been resolved to the correct type
|
| + */
|
| + SimpleStringLiteral _resolvedString(String value) {
|
| + SimpleStringLiteral string = AstFactory.string2(value);
|
| + string.staticType = _typeProvider.stringType;
|
| + return string;
|
| + }
|
| +
|
| + /**
|
| + * Return a simple identifier that has been resolved to a variable element with the given type.
|
| + *
|
| + * @param type the type of the variable being represented
|
| + * @param variableName the name of the variable
|
| + * @return a simple identifier that has been resolved to a variable element with the given type
|
| + */
|
| + SimpleIdentifier _resolvedVariable(InterfaceType type, String variableName) {
|
| + SimpleIdentifier identifier = AstFactory.identifier3(variableName);
|
| + VariableElementImpl element =
|
| + ElementFactory.localVariableElement(identifier);
|
| + element.type = type;
|
| + identifier.staticElement = element;
|
| + identifier.staticType = type;
|
| + return identifier;
|
| + }
|
| +
|
| + /**
|
| + * Set the type of the given parameter to the given type.
|
| + *
|
| + * @param parameter the parameter whose type is to be set
|
| + * @param type the new type of the given parameter
|
| + */
|
| + void _setType(FormalParameter parameter, DartType type) {
|
| + SimpleIdentifier identifier = parameter.identifier;
|
| + Element element = identifier.staticElement;
|
| + if (element is! ParameterElement) {
|
| + element = new ParameterElementImpl.forNode(identifier);
|
| + identifier.staticElement = element;
|
| + }
|
| + (element as ParameterElementImpl).type = type;
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * Instances of the class `StaticTypeVerifier` verify that all of the nodes in an AST
|
| + * structure that should have a static type associated with them do have a static type.
|
| + */
|
| +class StaticTypeVerifier extends GeneralizingAstVisitor<Object> {
|
| + /**
|
| + * A list containing all of the AST Expression nodes that were not resolved.
|
| + */
|
| + List<Expression> _unresolvedExpressions = new List<Expression>();
|
| +
|
| + /**
|
| + * A list containing all of the AST Expression nodes for which a propagated type was computed but
|
| + * where that type was not more specific than the static type.
|
| + */
|
| + List<Expression> _invalidlyPropagatedExpressions = new List<Expression>();
|
| +
|
| + /**
|
| + * A list containing all of the AST TypeName nodes that were not resolved.
|
| + */
|
| + List<TypeName> _unresolvedTypes = new List<TypeName>();
|
| +
|
| + /**
|
| + * Counter for the number of Expression nodes visited that are resolved.
|
| + */
|
| + int _resolvedExpressionCount = 0;
|
| +
|
| + /**
|
| + * Counter for the number of Expression nodes visited that have propagated type information.
|
| + */
|
| + int _propagatedExpressionCount = 0;
|
| +
|
| + /**
|
| + * Counter for the number of TypeName nodes visited that are resolved.
|
| + */
|
| + int _resolvedTypeCount = 0;
|
| +
|
| + /**
|
| + * Assert that all of the visited nodes have a static type associated with them.
|
| + */
|
| + void assertResolved() {
|
| + if (!_unresolvedExpressions.isEmpty || !_unresolvedTypes.isEmpty) {
|
| + StringBuffer buffer = new StringBuffer();
|
| + int unresolvedTypeCount = _unresolvedTypes.length;
|
| + if (unresolvedTypeCount > 0) {
|
| + buffer.write("Failed to resolve ");
|
| + buffer.write(unresolvedTypeCount);
|
| + buffer.write(" of ");
|
| + buffer.write(_resolvedTypeCount + unresolvedTypeCount);
|
| + buffer.writeln(" type names:");
|
| + for (TypeName identifier in _unresolvedTypes) {
|
| + buffer.write(" ");
|
| + buffer.write(identifier.toString());
|
| + buffer.write(" (");
|
| + buffer.write(_getFileName(identifier));
|
| + buffer.write(" : ");
|
| + buffer.write(identifier.offset);
|
| + buffer.writeln(")");
|
| + }
|
| + }
|
| + int unresolvedExpressionCount = _unresolvedExpressions.length;
|
| + if (unresolvedExpressionCount > 0) {
|
| + buffer.writeln("Failed to resolve ");
|
| + buffer.write(unresolvedExpressionCount);
|
| + buffer.write(" of ");
|
| + buffer.write(_resolvedExpressionCount + unresolvedExpressionCount);
|
| + buffer.writeln(" expressions:");
|
| + for (Expression expression in _unresolvedExpressions) {
|
| + buffer.write(" ");
|
| + buffer.write(expression.toString());
|
| + buffer.write(" (");
|
| + buffer.write(_getFileName(expression));
|
| + buffer.write(" : ");
|
| + buffer.write(expression.offset);
|
| + buffer.writeln(")");
|
| + }
|
| + }
|
| + int invalidlyPropagatedExpressionCount =
|
| + _invalidlyPropagatedExpressions.length;
|
| + if (invalidlyPropagatedExpressionCount > 0) {
|
| + buffer.writeln("Incorrectly propagated ");
|
| + buffer.write(invalidlyPropagatedExpressionCount);
|
| + buffer.write(" of ");
|
| + buffer.write(_propagatedExpressionCount);
|
| + buffer.writeln(" expressions:");
|
| + for (Expression expression in _invalidlyPropagatedExpressions) {
|
| + buffer.write(" ");
|
| + buffer.write(expression.toString());
|
| + buffer.write(" [");
|
| + buffer.write(expression.staticType.displayName);
|
| + buffer.write(", ");
|
| + buffer.write(expression.propagatedType.displayName);
|
| + buffer.writeln("]");
|
| + buffer.write(" ");
|
| + buffer.write(_getFileName(expression));
|
| + buffer.write(" : ");
|
| + buffer.write(expression.offset);
|
| + buffer.writeln(")");
|
| + }
|
| + }
|
| + fail(buffer.toString());
|
| + }
|
| + }
|
| +
|
| + @override
|
| + Object visitBreakStatement(BreakStatement node) => null;
|
| +
|
| + @override
|
| + Object visitCommentReference(CommentReference node) => null;
|
| +
|
| + @override
|
| + Object visitContinueStatement(ContinueStatement node) => null;
|
| +
|
| + @override
|
| + Object visitExportDirective(ExportDirective node) => null;
|
| +
|
| + @override
|
| + Object visitExpression(Expression node) {
|
| + node.visitChildren(this);
|
| + DartType staticType = node.staticType;
|
| + if (staticType == null) {
|
| + _unresolvedExpressions.add(node);
|
| + } else {
|
| + _resolvedExpressionCount++;
|
| + DartType propagatedType = node.propagatedType;
|
| + if (propagatedType != null) {
|
| + _propagatedExpressionCount++;
|
| + if (!propagatedType.isMoreSpecificThan(staticType)) {
|
| + _invalidlyPropagatedExpressions.add(node);
|
| + }
|
| + }
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + @override
|
| + Object visitImportDirective(ImportDirective node) => null;
|
| +
|
| + @override
|
| + Object visitLabel(Label node) => null;
|
| +
|
| + @override
|
| + Object visitLibraryIdentifier(LibraryIdentifier node) => null;
|
| +
|
| + @override
|
| + Object visitPrefixedIdentifier(PrefixedIdentifier node) {
|
| + // In cases where we have a prefixed identifier where the prefix is dynamic,
|
| + // we don't want to assert that the node will have a type.
|
| + if (node.staticType == null && node.prefix.staticType.isDynamic) {
|
| + return null;
|
| + }
|
| + return super.visitPrefixedIdentifier(node);
|
| + }
|
| +
|
| + @override
|
| + Object visitSimpleIdentifier(SimpleIdentifier node) {
|
| + // In cases where identifiers are being used for something other than an
|
| + // expressions, then they can be ignored.
|
| + AstNode parent = node.parent;
|
| + if (parent is MethodInvocation && identical(node, parent.methodName)) {
|
| + return null;
|
| + } else if (parent is RedirectingConstructorInvocation &&
|
| + identical(node, parent.constructorName)) {
|
| + return null;
|
| + } else if (parent is SuperConstructorInvocation &&
|
| + identical(node, parent.constructorName)) {
|
| + return null;
|
| + } else if (parent is ConstructorName && identical(node, parent.name)) {
|
| + return null;
|
| + } else if (parent is ConstructorFieldInitializer &&
|
| + identical(node, parent.fieldName)) {
|
| + return null;
|
| + } else if (node.staticElement is PrefixElement) {
|
| + // Prefixes don't have a type.
|
| + return null;
|
| + }
|
| + return super.visitSimpleIdentifier(node);
|
| + }
|
| +
|
| + @override
|
| + Object visitTypeName(TypeName node) {
|
| + // Note: do not visit children from this node, the child SimpleIdentifier in
|
| + // TypeName (i.e. "String") does not have a static type defined.
|
| + if (node.type == null) {
|
| + _unresolvedTypes.add(node);
|
| + } else {
|
| + _resolvedTypeCount++;
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + String _getFileName(AstNode node) {
|
| + // TODO (jwren) there are two copies of this method, one here and one in
|
| + // ResolutionVerifier, they should be resolved into a single method
|
| + if (node != null) {
|
| + AstNode root = node.root;
|
| + if (root is CompilationUnit) {
|
| + CompilationUnit rootCU = root;
|
| + if (rootCU.element != null) {
|
| + return rootCU.element.source.fullName;
|
| + } else {
|
| + return "<unknown file- CompilationUnit.getElement() returned null>";
|
| + }
|
| + } else {
|
| + return "<unknown file- CompilationUnit.getRoot() is not a CompilationUnit>";
|
| + }
|
| + }
|
| + return "<unknown file- ASTNode is null>";
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * The class `StrictModeTest` contains tests to ensure that the correct errors and warnings
|
| + * are reported when the analysis engine is run in strict mode.
|
| + */
|
| +@reflectiveTest
|
| +class StrictModeTest extends ResolverTestCase {
|
| + void fail_for() {
|
| + Source source = addSource(r'''
|
| +int f(List<int> list) {
|
| + num sum = 0;
|
| + for (num i = 0; i < list.length; i++) {
|
| + sum += list[i];
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| + options.hint = false;
|
| + resetWithOptions(options);
|
| + }
|
| +
|
| + void test_assert_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + assert (n is int);
|
| + return n & 0x0F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_conditional_and_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + return (n is int && n > 0) ? n & 0x0F : 0;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_conditional_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + return (n is int) ? n & 0x0F : 0;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_conditional_isNot() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + return (n is! int) ? 0 : n & 0x0F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_conditional_or_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + return (n is! int || n < 0) ? 0 : n & 0x0F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_forEach() {
|
| + Source source = addSource(r'''
|
| +int f(List<int> list) {
|
| + num sum = 0;
|
| + for (num n in list) {
|
| + sum += n & 0x0F;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_if_and_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + if (n is int && n > 0) {
|
| + return n & 0x0F;
|
| + }
|
| + return 0;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_if_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + if (n is int) {
|
| + return n & 0x0F;
|
| + }
|
| + return 0;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_if_isNot() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + if (n is! int) {
|
| + return 0;
|
| + } else {
|
| + return n & 0x0F;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_if_isNot_abrupt() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + if (n is! int) {
|
| + return 0;
|
| + }
|
| + return n & 0x0F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_if_or_is() {
|
| + Source source = addSource(r'''
|
| +int f(num n) {
|
| + if (n is! int || n < 0) {
|
| + return 0;
|
| + } else {
|
| + return n & 0x0F;
|
| + }
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +
|
| + void test_localVar() {
|
| + Source source = addSource(r'''
|
| +int f() {
|
| + num n = 1234;
|
| + return n & 0x0F;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertErrors(source, [StaticTypeWarningCode.UNDEFINED_OPERATOR]);
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * Strong mode static analyzer end to end tests
|
| + */
|
| +@reflectiveTest
|
| +class StrongModeStaticTypeAnalyzer2Test extends _StaticTypeAnalyzer2TestShared {
|
| + void setUp() {
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| + options.strongMode = true;
|
| + resetWithOptions(options);
|
| + }
|
| +
|
| + void test_dynamicObjectGetter_hashCode() {
|
| + String code = r'''
|
| +main() {
|
| + dynamic a = null;
|
| + var foo = a.hashCode;
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_dynamicObjectMethod_toString() {
|
| + String code = r'''
|
| +main() {
|
| + dynamic a = null;
|
| + var foo = a.toString();
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'String');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_pseudoGeneric_max_doubleDouble() {
|
| + String code = r'''
|
| +import 'dart:math';
|
| +main() {
|
| + var foo = max(1.0, 2.0);
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'double');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_pseudoGeneric_max_doubleInt() {
|
| + String code = r'''
|
| +import 'dart:math';
|
| +main() {
|
| + var foo = max(1.0, 2);
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'num');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_pseudoGeneric_max_intDouble() {
|
| + String code = r'''
|
| +import 'dart:math';
|
| +main() {
|
| + var foo = max(1, 2.0);
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'num');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_pseudoGeneric_max_intInt() {
|
| + String code = r'''
|
| +import 'dart:math';
|
| +main() {
|
| + var foo = max(1, 2);
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_pseudoGeneric_then() {
|
| + String code = r'''
|
| +import 'dart:async';
|
| +String toString(int x) => x.toString();
|
| +main() {
|
| + Future<int> bar = null;
|
| + var foo = bar.then(toString);
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| +
|
| + expect(declaration.initializer.staticType.toString(), "Future<String>");
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_ternaryOperator_null_left() {
|
| + String code = r'''
|
| +main() {
|
| + var foo = (true) ? null : 3;
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_ternaryOperator_null_right() {
|
| + String code = r'''
|
| +main() {
|
| + var foo = (true) ? 3 : null;
|
| +}
|
| +''';
|
| + _resolveTestUnit(code);
|
| +
|
| + SimpleIdentifier identifier = _findIdentifier('foo');
|
| + VariableDeclaration declaration =
|
| + identifier.getAncestor((node) => node is VariableDeclaration);
|
| + expect(declaration.initializer.staticType.name, 'int');
|
| + expect(declaration.initializer.propagatedType, isNull);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class StrongModeTypePropagationTest extends ResolverTestCase {
|
| + @override
|
| + void setUp() {
|
| + AnalysisOptionsImpl options = new AnalysisOptionsImpl();
|
| + options.strongMode = true;
|
| + resetWithOptions(options);
|
| + }
|
| +
|
| + void test_foreachInference_dynamic_disabled() {
|
| + String code = r'''
|
| +main() {
|
| + var list = <int>[];
|
| + for (dynamic v in list) {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertPropagatedIterationType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_foreachInference_reusedVar_disabled() {
|
| + String code = r'''
|
| +main() {
|
| + var list = <int>[];
|
| + var v;
|
| + for (v in list) {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertPropagatedIterationType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_foreachInference_var() {
|
| + String code = r'''
|
| +main() {
|
| + var list = <int>[];
|
| + for (var v in list) {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertPropagatedIterationType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_foreachInference_var_iterable() {
|
| + String code = r'''
|
| +main() {
|
| + Iterable<int> list = <int>[];
|
| + for (var v in list) {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertPropagatedIterationType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_foreachInference_var_stream() {
|
| + String code = r'''
|
| +import 'dart:async';
|
| +main() async {
|
| + Stream<int> stream = null;
|
| + await for (var v in stream) {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertPropagatedIterationType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_bottom_disabled() {
|
| + String code = r'''
|
| +main() {
|
| + var v = null;
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(code, typeProvider.dynamicType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.dynamicType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_constant() {
|
| + String code = r'''
|
| +main() {
|
| + var v = 3;
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_declaredType_disabled() {
|
| + String code = r'''
|
| +main() {
|
| + dynamic v = 3;
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_localVariableInference_noInitializer_disabled() {
|
| + String code = r'''
|
| +main() {
|
| + var v;
|
| + v = 3;
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_field_inferred_lexical() {
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + return;
|
| + }
|
| + String code = r'''
|
| +class A {
|
| + final x = 3;
|
| + f() {
|
| + var v = x;
|
| + return v; // marker
|
| + }
|
| +}
|
| +main() {
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_field_inferred_reversed() {
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + return;
|
| + }
|
| + String code = r'''
|
| +class A {
|
| + f() {
|
| + var v = x;
|
| + return v; // marker
|
| + }
|
| + final x = 3;
|
| +}
|
| +main() {
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_field_lexical() {
|
| + String code = r'''
|
| +class A {
|
| + int x = 3;
|
| + f() {
|
| + var v = x;
|
| + return v; // marker
|
| + }
|
| +}
|
| +main() {
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_field_reversed() {
|
| + String code = r'''
|
| +class A {
|
| + f() {
|
| + var v = x;
|
| + return v; // marker
|
| + }
|
| + int x = 3;
|
| +}
|
| +main() {
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_list_local() {
|
| + String code = r'''
|
| +main() {
|
| + var x = <int>[3];
|
| + var v = x[0];
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_local() {
|
| + String code = r'''
|
| +main() {
|
| + var x = 3;
|
| + var v = x;
|
| + v; // marker
|
| +}''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_toplevel_inferred_lexical() {
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + return;
|
| + }
|
| + String code = r'''
|
| +final x = 3;
|
| +main() {
|
| + var v = x;
|
| + v; // marker
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_toplevel_inferred_reversed() {
|
| + if (!AnalysisEngine.instance.useTaskModel) {
|
| + return;
|
| + }
|
| + String code = r'''
|
| +main() {
|
| + var v = x;
|
| + v; // marker
|
| +}
|
| +final x = 3;
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_toplevel_lexical() {
|
| + String code = r'''
|
| +int x = 3;
|
| +main() {
|
| + var v = x;
|
| + v; // marker
|
| +}
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +
|
| + void test_localVariableInference_transitive_toplevel_reversed() {
|
| + String code = r'''
|
| +main() {
|
| + var v = x;
|
| + v; // marker
|
| +}
|
| +int x = 3;
|
| +''';
|
| + _assertPropagatedAssignedType(code, typeProvider.intType, null);
|
| + _assertTypeOfMarkedExpression(code, typeProvider.intType, null);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class SubtypeManagerTest extends EngineTestCase {
|
| + /**
|
| + * The inheritance manager being tested.
|
| + */
|
| + SubtypeManager _subtypeManager;
|
| +
|
| + /**
|
| + * The compilation unit element containing all of the types setup in each test.
|
| + */
|
| + CompilationUnitElementImpl _definingCompilationUnit;
|
| +
|
| + @override
|
| + void setUp() {
|
| + super.setUp();
|
| + AnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + FileBasedSource source =
|
| + new FileBasedSource(FileUtilities2.createFile("/test.dart"));
|
| + _definingCompilationUnit = new CompilationUnitElementImpl("test.dart");
|
| + _definingCompilationUnit.librarySource =
|
| + _definingCompilationUnit.source = source;
|
| + LibraryElementImpl definingLibrary =
|
| + ElementFactory.library(context, "test");
|
| + definingLibrary.definingCompilationUnit = _definingCompilationUnit;
|
| + _subtypeManager = new SubtypeManager();
|
| + }
|
| +
|
| + void test_computeAllSubtypes_infiniteLoop() {
|
| + //
|
| + // class A extends B
|
| + // class B extends A
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + classA.supertype = classB.type;
|
| + _definingCompilationUnit.types = <ClassElement>[classA, classB];
|
| + HashSet<ClassElement> subtypesOfA =
|
| + _subtypeManager.computeAllSubtypes(classA);
|
| + List<ClassElement> arraySubtypesOfA = new List.from(subtypesOfA);
|
| + expect(subtypesOfA, hasLength(2));
|
| + expect(arraySubtypesOfA, unorderedEquals([classA, classB]));
|
| + }
|
| +
|
| + void test_computeAllSubtypes_manyRecursiveSubtypes() {
|
| + //
|
| + // class A
|
| + // class B extends A
|
| + // class C extends B
|
| + // class D extends B
|
| + // class E extends B
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
|
| + ClassElementImpl classD = ElementFactory.classElement("D", classB.type);
|
| + ClassElementImpl classE = ElementFactory.classElement("E", classB.type);
|
| + _definingCompilationUnit.types = <ClassElement>[
|
| + classA,
|
| + classB,
|
| + classC,
|
| + classD,
|
| + classE
|
| + ];
|
| + HashSet<ClassElement> subtypesOfA =
|
| + _subtypeManager.computeAllSubtypes(classA);
|
| + List<ClassElement> arraySubtypesOfA = new List.from(subtypesOfA);
|
| + HashSet<ClassElement> subtypesOfB =
|
| + _subtypeManager.computeAllSubtypes(classB);
|
| + List<ClassElement> arraySubtypesOfB = new List.from(subtypesOfB);
|
| + expect(subtypesOfA, hasLength(4));
|
| + expect(arraySubtypesOfA, unorderedEquals([classB, classC, classD, classE]));
|
| + expect(subtypesOfB, hasLength(3));
|
| + expect(arraySubtypesOfB, unorderedEquals([classC, classD, classE]));
|
| + }
|
| +
|
| + void test_computeAllSubtypes_noSubtypes() {
|
| + //
|
| + // class A
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + _definingCompilationUnit.types = <ClassElement>[classA];
|
| + HashSet<ClassElement> subtypesOfA =
|
| + _subtypeManager.computeAllSubtypes(classA);
|
| + expect(subtypesOfA, hasLength(0));
|
| + }
|
| +
|
| + void test_computeAllSubtypes_oneSubtype() {
|
| + //
|
| + // class A
|
| + // class B extends A
|
| + //
|
| + ClassElementImpl classA = ElementFactory.classElement2("A");
|
| + ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
|
| + _definingCompilationUnit.types = <ClassElement>[classA, classB];
|
| + HashSet<ClassElement> subtypesOfA =
|
| + _subtypeManager.computeAllSubtypes(classA);
|
| + List<ClassElement> arraySubtypesOfA = new List.from(subtypesOfA);
|
| + expect(subtypesOfA, hasLength(1));
|
| + expect(arraySubtypesOfA, unorderedEquals([classB]));
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class TypeOverrideManagerTest extends EngineTestCase {
|
| + void test_exitScope_noScopes() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + try {
|
| + manager.exitScope();
|
| + fail("Expected IllegalStateException");
|
| + } on IllegalStateException {
|
| + // Expected
|
| + }
|
| + }
|
| +
|
| + void test_exitScope_oneScope() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + manager.enterScope();
|
| + manager.exitScope();
|
| + try {
|
| + manager.exitScope();
|
| + fail("Expected IllegalStateException");
|
| + } on IllegalStateException {
|
| + // Expected
|
| + }
|
| + }
|
| +
|
| + void test_exitScope_twoScopes() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + manager.enterScope();
|
| + manager.exitScope();
|
| + manager.enterScope();
|
| + manager.exitScope();
|
| + try {
|
| + manager.exitScope();
|
| + fail("Expected IllegalStateException");
|
| + } on IllegalStateException {
|
| + // Expected
|
| + }
|
| + }
|
| +
|
| + void test_getType_enclosedOverride() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + LocalVariableElementImpl element =
|
| + ElementFactory.localVariableElement2("v");
|
| + InterfaceType type = ElementFactory.classElement2("C").type;
|
| + manager.enterScope();
|
| + manager.setType(element, type);
|
| + manager.enterScope();
|
| + expect(manager.getType(element), same(type));
|
| + }
|
| +
|
| + void test_getType_immediateOverride() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + LocalVariableElementImpl element =
|
| + ElementFactory.localVariableElement2("v");
|
| + InterfaceType type = ElementFactory.classElement2("C").type;
|
| + manager.enterScope();
|
| + manager.setType(element, type);
|
| + expect(manager.getType(element), same(type));
|
| + }
|
| +
|
| + void test_getType_noOverride() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + manager.enterScope();
|
| + expect(manager.getType(ElementFactory.localVariableElement2("v")), isNull);
|
| + }
|
| +
|
| + void test_getType_noScope() {
|
| + TypeOverrideManager manager = new TypeOverrideManager();
|
| + expect(manager.getType(ElementFactory.localVariableElement2("v")), isNull);
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class TypePropagationTest extends ResolverTestCase {
|
| + void fail_finalPropertyInducingVariable_classMember_instance() {
|
| + addNamedSource(
|
| + "/lib.dart",
|
| + r'''
|
| +class A {
|
| + final v = 0;
|
| +}''');
|
| + String code = r'''
|
| +import 'lib.dart';
|
| +f(A a) {
|
| + return a.v; // marker
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_classMember_instance_inherited() {
|
| + addNamedSource(
|
| + "/lib.dart",
|
| + r'''
|
| +class A {
|
| + final v = 0;
|
| +}''');
|
| + String code = r'''
|
| +import 'lib.dart';
|
| +class B extends A {
|
| + m() {
|
| + return v; // marker
|
| + }
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_classMember_instance_propagatedTarget() {
|
| + addNamedSource(
|
| + "/lib.dart",
|
| + r'''
|
| +class A {
|
| + final v = 0;
|
| +}''');
|
| + String code = r'''
|
| +import 'lib.dart';
|
| +f(p) {
|
| + if (p is A) {
|
| + return p.v; // marker
|
| + }
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_classMember_instance_unprefixed() {
|
| + String code = r'''
|
| +class A {
|
| + final v = 0;
|
| + m() {
|
| + v; // marker
|
| + }
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_classMember_static() {
|
| + addNamedSource(
|
| + "/lib.dart",
|
| + r'''
|
| +class A {
|
| + static final V = 0;
|
| +}''');
|
| + String code = r'''
|
| +import 'lib.dart';
|
| +f() {
|
| + return A.V; // marker
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_topLevelVaraible_prefixed() {
|
| + addNamedSource("/lib.dart", "final V = 0;");
|
| + String code = r'''
|
| +import 'lib.dart' as p;
|
| +f() {
|
| + var v2 = p.V; // marker prefixed
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_finalPropertyInducingVariable_topLevelVaraible_simple() {
|
| + addNamedSource("/lib.dart", "final V = 0;");
|
| + String code = r'''
|
| +import 'lib.dart';
|
| +f() {
|
| + return V; // marker simple
|
| +}''';
|
| + _assertTypeOfMarkedExpression(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_1() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f1(x) {
|
| + var y = [];
|
| + if (x) {
|
| + y = 0;
|
| + } else {
|
| + y = '';
|
| + }
|
| + // Propagated type is [List] here: incorrect.
|
| + // Best we can do is [Object]?
|
| + return y; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.dynamicType);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_2() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f2(x) {
|
| + var y = [];
|
| + if (x) {
|
| + y = 0;
|
| + } else {
|
| + }
|
| + // Propagated type is [List] here: incorrect.
|
| + // Best we can do is [Object]?
|
| + return y; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.dynamicType);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_3() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f4(x) {
|
| + var y = [];
|
| + if (x) {
|
| + y = 0;
|
| + } else {
|
| + y = 1.5;
|
| + }
|
| + // Propagated type is [List] here: incorrect.
|
| + // A correct answer is the least upper bound of [int] and [double],
|
| + // i.e. [num].
|
| + return y; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.numType);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_5() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f6(x,y) {
|
| + var z = [];
|
| + if (x || (z = y) < 0) {
|
| + } else {
|
| + z = 0;
|
| + }
|
| + // Propagated type is [List] here: incorrect.
|
| + // Best we can do is [Object]?
|
| + return z; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.dynamicType);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_7() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + //
|
| + // In general [continue]s are unsafe for the purposes of
|
| + // [isAbruptTerminationStatement].
|
| + //
|
| + // This is like example 6, but less tricky: the code in the branch that
|
| + // [continue]s is in effect after the [if].
|
| + String code = r'''
|
| +f() {
|
| + var x = 0;
|
| + var c = false;
|
| + var d = true;
|
| + while (d) {
|
| + if (c) {
|
| + d = false;
|
| + } else {
|
| + x = '';
|
| + c = true;
|
| + continue;
|
| + }
|
| + x; // marker
|
| + }
|
| +}''';
|
| + DartType t = _findMarkedIdentifier(code, "; // marker").propagatedType;
|
| + expect(typeProvider.intType.isSubtypeOf(t), isTrue);
|
| + expect(typeProvider.stringType.isSubtypeOf(t), isTrue);
|
| + }
|
| +
|
| + void fail_mergePropagatedTypesAtJoinPoint_8() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + //
|
| + // In nested loops [breaks]s are unsafe for the purposes of
|
| + // [isAbruptTerminationStatement].
|
| + //
|
| + // This is a combination of 6 and 7: we use an unlabeled [break]
|
| + // like a continue for the outer loop / like a labeled [break] to
|
| + // jump just above the [if].
|
| + String code = r'''
|
| +f() {
|
| + var x = 0;
|
| + var c = false;
|
| + var d = true;
|
| + while (d) {
|
| + while (d) {
|
| + if (c) {
|
| + d = false;
|
| + } else {
|
| + x = '';
|
| + c = true;
|
| + break;
|
| + }
|
| + x; // marker
|
| + }
|
| + }
|
| +}''';
|
| + DartType t = _findMarkedIdentifier(code, "; // marker").propagatedType;
|
| + expect(typeProvider.intType.isSubtypeOf(t), isTrue);
|
| + expect(typeProvider.stringType.isSubtypeOf(t), isTrue);
|
| + }
|
| +
|
| + void fail_propagatedReturnType_functionExpression() {
|
| + // TODO(scheglov) disabled because we don't resolve function expression
|
| + String code = r'''
|
| +main() {
|
| + var v = (() {return 42;})();
|
| +}''';
|
| + _assertPropagatedAssignedType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_as() {
|
| + Source source = addSource(r'''
|
| +class A {
|
| + bool get g => true;
|
| +}
|
| +A f(var p) {
|
| + if ((p as A).g) {
|
| + return p;
|
| + } else {
|
| + return null;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.thenStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_assert() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + assert (p is A);
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_assignment() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v;
|
| + v = 0;
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[2] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeProvider.intType));
|
| + }
|
| +
|
| + void test_assignment_afterInitializer() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = 0;
|
| + v = 1.0;
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[2] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeProvider.doubleType));
|
| + }
|
| +
|
| + void test_assignment_null() {
|
| + String code = r'''
|
| +main() {
|
| + int v; // declare
|
| + v = null;
|
| + return v; // return
|
| +}''';
|
| + CompilationUnit unit;
|
| + {
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + unit = resolveCompilationUnit(source, library);
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "v; // declare", (node) => node is SimpleIdentifier);
|
| + expect(identifier.staticType, same(typeProvider.intType));
|
| + expect(identifier.propagatedType, same(null));
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "v = null;", (node) => node is SimpleIdentifier);
|
| + expect(identifier.staticType, same(typeProvider.intType));
|
| + expect(identifier.propagatedType, same(null));
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "v; // return", (node) => node is SimpleIdentifier);
|
| + expect(identifier.staticType, same(typeProvider.intType));
|
| + expect(identifier.propagatedType, same(null));
|
| + }
|
| + }
|
| +
|
| + void test_CanvasElement_getContext() {
|
| + String code = r'''
|
| +import 'dart:html';
|
| +main(CanvasElement canvas) {
|
| + var context = canvas.getContext('2d');
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "context", (node) => node is SimpleIdentifier);
|
| + expect(identifier.propagatedType.name, "CanvasRenderingContext2D");
|
| + }
|
| +
|
| + void test_forEach() {
|
| + String code = r'''
|
| +main() {
|
| + var list = <String> [];
|
| + for (var e in list) {
|
| + e;
|
| + }
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + InterfaceType stringType = typeProvider.stringType;
|
| + // in the declaration
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "e in", (node) => node is SimpleIdentifier);
|
| + expect(identifier.propagatedType, same(stringType));
|
| + }
|
| + // in the loop body
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "e;", (node) => node is SimpleIdentifier);
|
| + expect(identifier.propagatedType, same(stringType));
|
| + }
|
| + }
|
| +
|
| + void test_forEach_async() {
|
| + String code = r'''
|
| +import 'dart:async';
|
| +f(Stream<String> stream) async {
|
| + await for (var e in stream) {
|
| + e;
|
| + }
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + InterfaceType stringType = typeProvider.stringType;
|
| + // in the declaration
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "e in", (node) => node is SimpleIdentifier);
|
| + expect(identifier.propagatedType, same(stringType));
|
| + }
|
| + // in the loop body
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "e;", (node) => node is SimpleIdentifier);
|
| + expect(identifier.propagatedType, same(stringType));
|
| + }
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument() {
|
| + String code = r'''
|
| +class MyMap<K, V> {
|
| + forEach(f(K key, V value)) {}
|
| +}
|
| +f(MyMap<int, String> m) {
|
| + m.forEach((k, v) {
|
| + k;
|
| + v;
|
| + });
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // k
|
| + DartType intType = typeProvider.intType;
|
| + FormalParameter kParameter = EngineTestCase.findNode(
|
| + unit, code, "k, ", (node) => node is SimpleFormalParameter);
|
| + expect(kParameter.identifier.propagatedType, same(intType));
|
| + SimpleIdentifier kIdentifier = EngineTestCase.findNode(
|
| + unit, code, "k;", (node) => node is SimpleIdentifier);
|
| + expect(kIdentifier.propagatedType, same(intType));
|
| + expect(kIdentifier.staticType, same(typeProvider.dynamicType));
|
| + // v
|
| + DartType stringType = typeProvider.stringType;
|
| + FormalParameter vParameter = EngineTestCase.findNode(
|
| + unit, code, "v)", (node) => node is SimpleFormalParameter);
|
| + expect(vParameter.identifier.propagatedType, same(stringType));
|
| + SimpleIdentifier vIdentifier = EngineTestCase.findNode(
|
| + unit, code, "v;", (node) => node is SimpleIdentifier);
|
| + expect(vIdentifier.propagatedType, same(stringType));
|
| + expect(vIdentifier.staticType, same(typeProvider.dynamicType));
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument_fromInferredInvocation() {
|
| + String code = r'''
|
| +class MyMap<K, V> {
|
| + forEach(f(K key, V value)) {}
|
| +}
|
| +f(MyMap<int, String> m) {
|
| + var m2 = m;
|
| + m2.forEach((k, v) {});
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // k
|
| + DartType intType = typeProvider.intType;
|
| + FormalParameter kParameter = EngineTestCase.findNode(
|
| + unit, code, "k, ", (node) => node is SimpleFormalParameter);
|
| + expect(kParameter.identifier.propagatedType, same(intType));
|
| + // v
|
| + DartType stringType = typeProvider.stringType;
|
| + FormalParameter vParameter = EngineTestCase.findNode(
|
| + unit, code, "v)", (node) => node is SimpleFormalParameter);
|
| + expect(vParameter.identifier.propagatedType, same(stringType));
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument_functionExpressionInvocation() {
|
| + String code = r'''
|
| +main() {
|
| + (f(String value)) {} ((v) {
|
| + v;
|
| + });
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // v
|
| + DartType dynamicType = typeProvider.dynamicType;
|
| + DartType stringType = typeProvider.stringType;
|
| + FormalParameter vParameter = EngineTestCase.findNode(
|
| + unit, code, "v)", (node) => node is FormalParameter);
|
| + expect(vParameter.identifier.propagatedType, same(stringType));
|
| + expect(vParameter.identifier.staticType, same(dynamicType));
|
| + SimpleIdentifier vIdentifier = EngineTestCase.findNode(
|
| + unit, code, "v;", (node) => node is SimpleIdentifier);
|
| + expect(vIdentifier.propagatedType, same(stringType));
|
| + expect(vIdentifier.staticType, same(dynamicType));
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument_keepIfLessSpecific() {
|
| + String code = r'''
|
| +class MyList {
|
| + forEach(f(Object value)) {}
|
| +}
|
| +f(MyList list) {
|
| + list.forEach((int v) {
|
| + v;
|
| + });
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // v
|
| + DartType intType = typeProvider.intType;
|
| + FormalParameter vParameter = EngineTestCase.findNode(
|
| + unit, code, "v)", (node) => node is SimpleFormalParameter);
|
| + expect(vParameter.identifier.propagatedType, same(null));
|
| + expect(vParameter.identifier.staticType, same(intType));
|
| + SimpleIdentifier vIdentifier = EngineTestCase.findNode(
|
| + unit, code, "v;", (node) => node is SimpleIdentifier);
|
| + expect(vIdentifier.staticType, same(intType));
|
| + expect(vIdentifier.propagatedType, same(null));
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument_notSubtypeOfStaticType() {
|
| + String code = r'''
|
| +class A {
|
| + m(void f(int i)) {}
|
| +}
|
| +x() {
|
| + A a = new A();
|
| + a.m(() => 0);
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertErrors(source, [StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE]);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // () => 0
|
| + FunctionExpression functionExpression = EngineTestCase.findNode(
|
| + unit, code, "() => 0)", (node) => node is FunctionExpression);
|
| + expect((functionExpression.staticType as FunctionType).parameters.length,
|
| + same(0));
|
| + expect(functionExpression.propagatedType, same(null));
|
| + }
|
| +
|
| + void test_functionExpression_asInvocationArgument_replaceIfMoreSpecific() {
|
| + String code = r'''
|
| +class MyList<E> {
|
| + forEach(f(E value)) {}
|
| +}
|
| +f(MyList<String> list) {
|
| + list.forEach((Object v) {
|
| + v;
|
| + });
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // v
|
| + DartType stringType = typeProvider.stringType;
|
| + FormalParameter vParameter = EngineTestCase.findNode(
|
| + unit, code, "v)", (node) => node is SimpleFormalParameter);
|
| + expect(vParameter.identifier.propagatedType, same(stringType));
|
| + expect(vParameter.identifier.staticType, same(typeProvider.objectType));
|
| + SimpleIdentifier vIdentifier = EngineTestCase.findNode(
|
| + unit, code, "v;", (node) => node is SimpleIdentifier);
|
| + expect(vIdentifier.propagatedType, same(stringType));
|
| + }
|
| +
|
| + void test_Future_then() {
|
| + String code = r'''
|
| +import 'dart:async';
|
| +main(Future<int> firstFuture) {
|
| + firstFuture.then((p1) {
|
| + return 1.0;
|
| + }).then((p2) {
|
| + return new Future<String>.value('str');
|
| + }).then((p3) {
|
| + });
|
| +}''';
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // p1
|
| + FormalParameter p1 = EngineTestCase.findNode(
|
| + unit, code, "p1) {", (node) => node is SimpleFormalParameter);
|
| + expect(p1.identifier.propagatedType, same(typeProvider.intType));
|
| + // p2
|
| + FormalParameter p2 = EngineTestCase.findNode(
|
| + unit, code, "p2) {", (node) => node is SimpleFormalParameter);
|
| + expect(p2.identifier.propagatedType, same(typeProvider.doubleType));
|
| + // p3
|
| + FormalParameter p3 = EngineTestCase.findNode(
|
| + unit, code, "p3) {", (node) => node is SimpleFormalParameter);
|
| + expect(p3.identifier.propagatedType, same(typeProvider.stringType));
|
| + }
|
| +
|
| + void test_initializer() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = 0;
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + NodeList<Statement> statements = body.block.statements;
|
| + // Type of 'v' in declaration.
|
| + {
|
| + VariableDeclarationStatement statement =
|
| + statements[0] as VariableDeclarationStatement;
|
| + SimpleIdentifier variableName = statement.variables.variables[0].name;
|
| + expect(variableName.staticType, same(typeProvider.dynamicType));
|
| + expect(variableName.propagatedType, same(typeProvider.intType));
|
| + }
|
| + // Type of 'v' in reference.
|
| + {
|
| + ReturnStatement statement = statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeProvider.intType));
|
| + }
|
| + }
|
| +
|
| + void test_initializer_dereference() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = 'String';
|
| + v.
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ExpressionStatement statement =
|
| + body.block.statements[1] as ExpressionStatement;
|
| + PrefixedIdentifier invocation = statement.expression as PrefixedIdentifier;
|
| + SimpleIdentifier variableName = invocation.prefix;
|
| + expect(variableName.propagatedType, same(typeProvider.stringType));
|
| + }
|
| +
|
| + void test_initializer_hasStaticType() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + int v = 0;
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + NodeList<Statement> statements = body.block.statements;
|
| + // Type of 'v' in declaration.
|
| + {
|
| + VariableDeclarationStatement statement =
|
| + statements[0] as VariableDeclarationStatement;
|
| + SimpleIdentifier variableName = statement.variables.variables[0].name;
|
| + expect(variableName.staticType, same(typeProvider.intType));
|
| + expect(variableName.propagatedType, isNull);
|
| + }
|
| + // Type of 'v' in reference.
|
| + {
|
| + ReturnStatement statement = statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.staticType, same(typeProvider.intType));
|
| + expect(variableName.propagatedType, isNull);
|
| + }
|
| + }
|
| +
|
| + void test_initializer_hasStaticType_parameterized() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + List<int> v = <int>[];
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + NodeList<Statement> statements = body.block.statements;
|
| + // Type of 'v' in declaration.
|
| + {
|
| + VariableDeclarationStatement statement =
|
| + statements[0] as VariableDeclarationStatement;
|
| + SimpleIdentifier variableName = statement.variables.variables[0].name;
|
| + expect(variableName.staticType, isNotNull);
|
| + expect(variableName.propagatedType, isNull);
|
| + }
|
| + // Type of 'v' in reference.
|
| + {
|
| + ReturnStatement statement = statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.staticType, isNotNull);
|
| + expect(variableName.propagatedType, isNull);
|
| + }
|
| + }
|
| +
|
| + void test_initializer_null() {
|
| + String code = r'''
|
| +main() {
|
| + int v = null;
|
| + return v; // marker
|
| +}''';
|
| + CompilationUnit unit;
|
| + {
|
| + Source source = addSource(code);
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + unit = resolveCompilationUnit(source, library);
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "v = null;", (node) => node is SimpleIdentifier);
|
| + expect(identifier.staticType, same(typeProvider.intType));
|
| + expect(identifier.propagatedType, same(null));
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + unit, code, "v; // marker", (node) => node is SimpleIdentifier);
|
| + expect(identifier.staticType, same(typeProvider.intType));
|
| + expect(identifier.propagatedType, same(null));
|
| + }
|
| + }
|
| +
|
| + void test_is_conditional() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + return (p is A) ? p : null;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[0] as ReturnStatement;
|
| + ConditionalExpression conditional =
|
| + statement.expression as ConditionalExpression;
|
| + SimpleIdentifier variableName =
|
| + conditional.thenExpression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_is_if() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is A) {
|
| + return p;
|
| + } else {
|
| + return null;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + // prepare A
|
| + InterfaceType typeA;
|
| + {
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + typeA = classA.element.type;
|
| + }
|
| + // verify "f"
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + // "p is A"
|
| + {
|
| + IsExpression isExpression = ifStatement.condition;
|
| + SimpleIdentifier variableName = isExpression.expression;
|
| + expect(variableName.propagatedType, isNull);
|
| + }
|
| + // "return p;"
|
| + {
|
| + ReturnStatement statement =
|
| + (ifStatement.thenStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| + }
|
| +
|
| + void test_is_if_lessSpecific() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(A p) {
|
| + if (p is String) {
|
| + return p;
|
| + } else {
|
| + return null;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| +// ClassDeclaration classA = (ClassDeclaration) unit.getDeclarations().get(0);
|
| +// InterfaceType typeA = classA.getElement().getType();
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.thenStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(null));
|
| + }
|
| +
|
| + void test_is_if_logicalAnd() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is A && p != null) {
|
| + return p;
|
| + } else {
|
| + return null;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.thenStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_is_postConditional() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + A a = (p is A) ? p : throw null;
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_is_postIf() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is A) {
|
| + A a = p;
|
| + } else {
|
| + return null;
|
| + }
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_is_subclass() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +class B extends A {
|
| + B m() => this;
|
| +}
|
| +A f(A p) {
|
| + if (p is B) {
|
| + return p.m();
|
| + }
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[2] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.thenStatement as Block).statements[0] as ReturnStatement;
|
| + MethodInvocation invocation = statement.expression as MethodInvocation;
|
| + expect(invocation.methodName.staticElement, isNotNull);
|
| + expect(invocation.methodName.propagatedElement, isNull);
|
| + }
|
| +
|
| + void test_is_while() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + while (p is A) {
|
| + return p;
|
| + }
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + WhileStatement whileStatement = body.block.statements[0] as WhileStatement;
|
| + ReturnStatement statement =
|
| + (whileStatement.body as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_isNot_conditional() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + return (p is! A) ? null : p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[0] as ReturnStatement;
|
| + ConditionalExpression conditional =
|
| + statement.expression as ConditionalExpression;
|
| + SimpleIdentifier variableName =
|
| + conditional.elseExpression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_isNot_if() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is! A) {
|
| + return null;
|
| + } else {
|
| + return p;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.elseStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_isNot_if_logicalOr() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is! A || null == p) {
|
| + return null;
|
| + } else {
|
| + return p;
|
| + }
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + IfStatement ifStatement = body.block.statements[0] as IfStatement;
|
| + ReturnStatement statement =
|
| + (ifStatement.elseStatement as Block).statements[0] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_isNot_postConditional() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + A a = (p is! A) ? throw null : p;
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_isNot_postIf() {
|
| + Source source = addSource(r'''
|
| +class A {}
|
| +A f(var p) {
|
| + if (p is! A) {
|
| + return null;
|
| + }
|
| + return p;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + ClassDeclaration classA = unit.declarations[0] as ClassDeclaration;
|
| + InterfaceType typeA = classA.element.type;
|
| + FunctionDeclaration function = unit.declarations[1] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier variableName = statement.expression as SimpleIdentifier;
|
| + expect(variableName.propagatedType, same(typeA));
|
| + }
|
| +
|
| + void test_issue20904BuggyTypePromotionAtIfJoin_5() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20904
|
| + //
|
| + // This is not an example of the 20904 bug, but rather,
|
| + // an example of something that one obvious fix changes inadvertently: we
|
| + // want to avoid using type information from is-checks when it
|
| + // loses precision. I can't see how to get a bad hint this way, since
|
| + // it seems the propagated type is not used to generate hints when a
|
| + // more precise type would cause no hint. For example, for code like the
|
| + // following, when the propagated type of [x] is [A] -- as happens for the
|
| + // fix these tests aim to warn against -- there is no warning for
|
| +
|
| + // calling a method defined on [B] but not [A] (there aren't any, but
|
| + // pretend), but there is for calling a method not defined on either.
|
| + // By not overriding the propagated type via an is-check that loses
|
| + // precision, we get more precise completion under an is-check. However,
|
| + // I can only imagine strange code would make use of this feature.
|
| + //
|
| + // Here the is-check improves precision, so we use it.
|
| + String code = r'''
|
| +class A {}
|
| +class B extends A {}
|
| +f() {
|
| + var a = new A();
|
| + var b = new B();
|
| + b; // B
|
| + if (a is B) {
|
| + return a; // marker
|
| + }
|
| +}''';
|
| + DartType tB = _findMarkedIdentifier(code, "; // B").propagatedType;
|
| + _assertTypeOfMarkedExpression(code, null, tB);
|
| + }
|
| +
|
| + void test_issue20904BuggyTypePromotionAtIfJoin_6() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20904
|
| + //
|
| + // The other half of the *_5() test.
|
| + //
|
| + // Here the is-check loses precision, so we don't use it.
|
| + String code = r'''
|
| +class A {}
|
| +class B extends A {}
|
| +f() {
|
| + var b = new B();
|
| + b; // B
|
| + if (b is A) {
|
| + return b; // marker
|
| + }
|
| +}''';
|
| + DartType tB = _findMarkedIdentifier(code, "; // B").propagatedType;
|
| + _assertTypeOfMarkedExpression(code, null, tB);
|
| + }
|
| +
|
| + void test_listLiteral_different() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = [0, '1', 2];
|
| + return v[2];
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + IndexExpression indexExpression = statement.expression as IndexExpression;
|
| + expect(indexExpression.propagatedType, isNull);
|
| + }
|
| +
|
| + void test_listLiteral_same() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = [0, 1, 2];
|
| + return v[2];
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + IndexExpression indexExpression = statement.expression as IndexExpression;
|
| + expect(indexExpression.propagatedType, isNull);
|
| + Expression v = indexExpression.target;
|
| + InterfaceType propagatedType = v.propagatedType as InterfaceType;
|
| + expect(propagatedType.element, same(typeProvider.listType.element));
|
| + List<DartType> typeArguments = propagatedType.typeArguments;
|
| + expect(typeArguments, hasLength(1));
|
| + expect(typeArguments[0], same(typeProvider.dynamicType));
|
| + }
|
| +
|
| + void test_mapLiteral_different() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = {'0' : 0, 1 : '1', '2' : 2};
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier identifier = statement.expression as SimpleIdentifier;
|
| + InterfaceType propagatedType = identifier.propagatedType as InterfaceType;
|
| + expect(propagatedType.element, same(typeProvider.mapType.element));
|
| + List<DartType> typeArguments = propagatedType.typeArguments;
|
| + expect(typeArguments, hasLength(2));
|
| + expect(typeArguments[0], same(typeProvider.dynamicType));
|
| + expect(typeArguments[1], same(typeProvider.dynamicType));
|
| + }
|
| +
|
| + void test_mapLiteral_same() {
|
| + Source source = addSource(r'''
|
| +f() {
|
| + var v = {'a' : 0, 'b' : 1, 'c' : 2};
|
| + return v;
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration function = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body =
|
| + function.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[1] as ReturnStatement;
|
| + SimpleIdentifier identifier = statement.expression as SimpleIdentifier;
|
| + InterfaceType propagatedType = identifier.propagatedType as InterfaceType;
|
| + expect(propagatedType.element, same(typeProvider.mapType.element));
|
| + List<DartType> typeArguments = propagatedType.typeArguments;
|
| + expect(typeArguments, hasLength(2));
|
| + expect(typeArguments[0], same(typeProvider.dynamicType));
|
| + expect(typeArguments[1], same(typeProvider.dynamicType));
|
| + }
|
| +
|
| + void test_mergePropagatedTypes_afterIfThen_different() {
|
| + String code = r'''
|
| +main() {
|
| + var v = 0;
|
| + if (v != null) {
|
| + v = '';
|
| + }
|
| + return v;
|
| +}''';
|
| + {
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "v;");
|
| + expect(identifier.propagatedType, null);
|
| + }
|
| + {
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "v = '';");
|
| + expect(identifier.propagatedType, typeProvider.stringType);
|
| + }
|
| + }
|
| +
|
| + void test_mergePropagatedTypes_afterIfThen_same() {
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +main() {
|
| + var v = 1;
|
| + if (v != null) {
|
| + v = 2;
|
| + }
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.intType);
|
| + }
|
| +
|
| + void test_mergePropagatedTypes_afterIfThenElse_different() {
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +main() {
|
| + var v = 1;
|
| + if (v != null) {
|
| + v = 2;
|
| + } else {
|
| + v = '3';
|
| + }
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + null);
|
| + }
|
| +
|
| + void test_mergePropagatedTypes_afterIfThenElse_same() {
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +main() {
|
| + var v = 1;
|
| + if (v != null) {
|
| + v = 2;
|
| + } else {
|
| + v = 3;
|
| + }
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.intType);
|
| + }
|
| +
|
| + void test_mergePropagatedTypesAtJoinPoint_4() {
|
| + // https://code.google.com/p/dart/issues/detail?id=19929
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f5(x) {
|
| + var y = [];
|
| + if (x) {
|
| + y = 0;
|
| + } else {
|
| + return y;
|
| + }
|
| + // Propagated type is [int] here: correct.
|
| + return y; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.intType);
|
| + }
|
| +
|
| + void test_mutatedOutsideScope() {
|
| + // https://code.google.com/p/dart/issues/detail?id=22732
|
| + Source source = addSource(r'''
|
| +class Base {
|
| +}
|
| +
|
| +class Derived extends Base {
|
| + get y => null;
|
| +}
|
| +
|
| +class C {
|
| + void f() {
|
| + Base x = null;
|
| + if (x is Derived) {
|
| + print(x.y); // BAD
|
| + }
|
| + x = null;
|
| + }
|
| +}
|
| +
|
| +void g() {
|
| + Base x = null;
|
| + if (x is Derived) {
|
| + print(x.y); // GOOD
|
| + }
|
| + x = null;
|
| +}''');
|
| + computeLibrarySourceErrors(source);
|
| + assertNoErrors(source);
|
| + }
|
| +
|
| + void test_objectAccessInference_disabled_for_library_prefix() {
|
| + String name = 'hashCode';
|
| + addNamedSource(
|
| + '/helper.dart',
|
| + '''
|
| +library helper;
|
| +dynamic get $name => 42;
|
| +''');
|
| + String code = '''
|
| +import 'helper.dart' as helper;
|
| +main() {
|
| + helper.$name; // marker
|
| +}''';
|
| +
|
| + SimpleIdentifier id = _findMarkedIdentifier(code, "; // marker");
|
| + PrefixedIdentifier prefixedId = id.parent;
|
| + expect(id.staticType, typeProvider.dynamicType);
|
| + expect(prefixedId.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectAccessInference_disabled_for_local_getter() {
|
| + String name = 'hashCode';
|
| + String code = '''
|
| +dynamic get $name => null;
|
| +main() {
|
| + $name; // marker
|
| +}''';
|
| +
|
| + SimpleIdentifier getter = _findMarkedIdentifier(code, "; // marker");
|
| + expect(getter.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectAccessInference_enabled_for_cascades() {
|
| + String name = 'hashCode';
|
| + String code = '''
|
| +main() {
|
| + dynamic obj;
|
| + obj..$name..$name; // marker
|
| +}''';
|
| + PropertyAccess access = _findMarkedIdentifier(code, "; // marker").parent;
|
| + expect(access.staticType, typeProvider.dynamicType);
|
| + expect(access.realTarget.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectMethodInference_disabled_for_library_prefix() {
|
| + String name = 'toString';
|
| + addNamedSource(
|
| + '/helper.dart',
|
| + '''
|
| +library helper;
|
| +dynamic $name = (int x) => x + 42');
|
| +''');
|
| + String code = '''
|
| +import 'helper.dart' as helper;
|
| +main() {
|
| + helper.$name(); // marker
|
| +}''';
|
| + SimpleIdentifier methodName = _findMarkedIdentifier(code, "(); // marker");
|
| + MethodInvocation methodInvoke = methodName.parent;
|
| + expect(methodName.staticType, null, reason: 'library prefix has no type');
|
| + expect(methodInvoke.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectMethodInference_disabled_for_local_function() {
|
| + String name = 'toString';
|
| + String code = '''
|
| +main() {
|
| + dynamic $name = () => null;
|
| + $name(); // marker
|
| +}''';
|
| + SimpleIdentifier identifier = _findMarkedIdentifier(code, "$name = ");
|
| + expect(identifier.staticType, typeProvider.dynamicType);
|
| +
|
| + SimpleIdentifier methodName = _findMarkedIdentifier(code, "(); // marker");
|
| + MethodInvocation methodInvoke = methodName.parent;
|
| + expect(methodName.staticType, typeProvider.dynamicType);
|
| + expect(methodInvoke.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectMethodInference_enabled_for_cascades() {
|
| + String name = 'toString';
|
| + String code = '''
|
| +main() {
|
| + dynamic obj;
|
| + obj..$name()..$name(); // marker
|
| +}''';
|
| + SimpleIdentifier methodName = _findMarkedIdentifier(code, "(); // marker");
|
| + MethodInvocation methodInvoke = methodName.parent;
|
| +
|
| + expect(methodInvoke.staticType, typeProvider.dynamicType);
|
| + expect(methodInvoke.realTarget.staticType, typeProvider.dynamicType);
|
| + }
|
| +
|
| + void test_objectMethodOnDynamicExpression_doubleEquals() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20342
|
| + //
|
| + // This was not actually part of Issue 20342, since the spec specifies a
|
| + // static type of [bool] for [==] comparison and the implementation
|
| + // was already consistent with the spec there. But, it's another
|
| + // [Object] method, so it's included here.
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f1(x) {
|
| + var v = (x == x);
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.boolType);
|
| + }
|
| +
|
| + void test_objectMethodOnDynamicExpression_hashCode() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20342
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f1(x) {
|
| + var v = x.hashCode;
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.intType);
|
| + }
|
| +
|
| + void test_objectMethodOnDynamicExpression_runtimeType() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20342
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f1(x) {
|
| + var v = x.runtimeType;
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.typeType);
|
| + }
|
| +
|
| + void test_objectMethodOnDynamicExpression_toString() {
|
| + // https://code.google.com/p/dart/issues/detail?id=20342
|
| + _assertTypeOfMarkedExpression(
|
| + r'''
|
| +f1(x) {
|
| + var v = x.toString();
|
| + return v; // marker
|
| +}''',
|
| + null,
|
| + typeProvider.stringType);
|
| + }
|
| +
|
| + void test_propagatedReturnType_localFunction() {
|
| + String code = r'''
|
| +main() {
|
| + f() => 42;
|
| + var v = f();
|
| +}''';
|
| + _assertPropagatedAssignedType(
|
| + code, typeProvider.dynamicType, typeProvider.intType);
|
| + }
|
| +
|
| + void test_query() {
|
| + Source source = addSource(r'''
|
| +import 'dart:html';
|
| +
|
| +main() {
|
| + var v1 = query('a');
|
| + var v2 = query('A');
|
| + var v3 = query('body:active');
|
| + var v4 = query('button[foo="bar"]');
|
| + var v5 = query('div.class');
|
| + var v6 = query('input#id');
|
| + var v7 = query('select#id');
|
| + // invocation of method
|
| + var m1 = document.query('div');
|
| + // unsupported currently
|
| + var b1 = query('noSuchTag');
|
| + var b2 = query('DART_EDITOR_NO_SUCH_TYPE');
|
| + var b3 = query('body div');
|
| + return [v1, v2, v3, v4, v5, v6, v7, m1, b1, b2, b3];
|
| +}''');
|
| + LibraryElement library = resolve2(source);
|
| + assertNoErrors(source);
|
| + verify([source]);
|
| + CompilationUnit unit = resolveCompilationUnit(source, library);
|
| + FunctionDeclaration main = unit.declarations[0] as FunctionDeclaration;
|
| + BlockFunctionBody body = main.functionExpression.body as BlockFunctionBody;
|
| + ReturnStatement statement = body.block.statements[11] as ReturnStatement;
|
| + NodeList<Expression> elements =
|
| + (statement.expression as ListLiteral).elements;
|
| + expect(elements[0].propagatedType.name, "AnchorElement");
|
| + expect(elements[1].propagatedType.name, "AnchorElement");
|
| + expect(elements[2].propagatedType.name, "BodyElement");
|
| + expect(elements[3].propagatedType.name, "ButtonElement");
|
| + expect(elements[4].propagatedType.name, "DivElement");
|
| + expect(elements[5].propagatedType.name, "InputElement");
|
| + expect(elements[6].propagatedType.name, "SelectElement");
|
| + expect(elements[7].propagatedType.name, "DivElement");
|
| + expect(elements[8].propagatedType.name, "Element");
|
| + expect(elements[9].propagatedType.name, "Element");
|
| + expect(elements[10].propagatedType.name, "Element");
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class TypeProviderImplTest extends EngineTestCase {
|
| + void test_creation() {
|
| + //
|
| + // Create a mock library element with the types expected to be in dart:core.
|
| + // We cannot use either ElementFactory or TestTypeProvider (which uses
|
| + // ElementFactory) because we side-effect the elements in ways that would
|
| + // break other tests.
|
| + //
|
| + InterfaceType objectType = _classElement("Object", null).type;
|
| + InterfaceType boolType = _classElement("bool", objectType).type;
|
| + InterfaceType numType = _classElement("num", objectType).type;
|
| + InterfaceType doubleType = _classElement("double", numType).type;
|
| + InterfaceType functionType = _classElement("Function", objectType).type;
|
| + InterfaceType futureType = _classElement("Future", objectType, ["T"]).type;
|
| + InterfaceType intType = _classElement("int", numType).type;
|
| + InterfaceType iterableType =
|
| + _classElement("Iterable", objectType, ["T"]).type;
|
| + InterfaceType listType = _classElement("List", objectType, ["E"]).type;
|
| + InterfaceType mapType = _classElement("Map", objectType, ["K", "V"]).type;
|
| + InterfaceType stackTraceType = _classElement("StackTrace", objectType).type;
|
| + InterfaceType streamType = _classElement("Stream", objectType, ["T"]).type;
|
| + InterfaceType stringType = _classElement("String", objectType).type;
|
| + InterfaceType symbolType = _classElement("Symbol", objectType).type;
|
| + InterfaceType typeType = _classElement("Type", objectType).type;
|
| + CompilationUnitElementImpl coreUnit =
|
| + new CompilationUnitElementImpl("core.dart");
|
| + coreUnit.types = <ClassElement>[
|
| + boolType.element,
|
| + doubleType.element,
|
| + functionType.element,
|
| + intType.element,
|
| + iterableType.element,
|
| + listType.element,
|
| + mapType.element,
|
| + objectType.element,
|
| + stackTraceType.element,
|
| + stringType.element,
|
| + symbolType.element,
|
| + typeType.element
|
| + ];
|
| + CompilationUnitElementImpl asyncUnit =
|
| + new CompilationUnitElementImpl("async.dart");
|
| + asyncUnit.types = <ClassElement>[futureType.element, streamType.element];
|
| + AnalysisContext context = AnalysisEngine.instance.createAnalysisContext();
|
| + LibraryElementImpl coreLibrary = new LibraryElementImpl.forNode(
|
| + context, AstFactory.libraryIdentifier2(["dart.core"]));
|
| + coreLibrary.definingCompilationUnit = coreUnit;
|
| + LibraryElementImpl asyncLibrary = new LibraryElementImpl.forNode(
|
| + context, AstFactory.libraryIdentifier2(["dart.async"]));
|
| + asyncLibrary.definingCompilationUnit = asyncUnit;
|
| + //
|
| + // Create a type provider and ensure that it can return the expected types.
|
| + //
|
| + TypeProviderImpl provider = new TypeProviderImpl(coreLibrary, asyncLibrary);
|
| + expect(provider.boolType, same(boolType));
|
| + expect(provider.bottomType, isNotNull);
|
| + expect(provider.doubleType, same(doubleType));
|
| + expect(provider.dynamicType, isNotNull);
|
| + expect(provider.functionType, same(functionType));
|
| + expect(provider.futureType, same(futureType));
|
| + expect(provider.intType, same(intType));
|
| + expect(provider.listType, same(listType));
|
| + expect(provider.mapType, same(mapType));
|
| + expect(provider.objectType, same(objectType));
|
| + expect(provider.stackTraceType, same(stackTraceType));
|
| + expect(provider.stringType, same(stringType));
|
| + expect(provider.symbolType, same(symbolType));
|
| + expect(provider.typeType, same(typeType));
|
| + }
|
| +
|
| + ClassElement _classElement(String typeName, InterfaceType superclassType,
|
| + [List<String> parameterNames]) {
|
| + ClassElementImpl element =
|
| + new ClassElementImpl.forNode(AstFactory.identifier3(typeName));
|
| + element.supertype = superclassType;
|
| + InterfaceTypeImpl type = new InterfaceTypeImpl(element);
|
| + element.type = type;
|
| + if (parameterNames != null) {
|
| + int count = parameterNames.length;
|
| + if (count > 0) {
|
| + List<TypeParameterElementImpl> typeParameters =
|
| + new List<TypeParameterElementImpl>(count);
|
| + List<TypeParameterTypeImpl> typeArguments =
|
| + new List<TypeParameterTypeImpl>(count);
|
| + for (int i = 0; i < count; i++) {
|
| + TypeParameterElementImpl typeParameter =
|
| + new TypeParameterElementImpl.forNode(
|
| + AstFactory.identifier3(parameterNames[i]));
|
| + typeParameters[i] = typeParameter;
|
| + typeArguments[i] = new TypeParameterTypeImpl(typeParameter);
|
| + typeParameter.type = typeArguments[i];
|
| + }
|
| + element.typeParameters = typeParameters;
|
| + type.typeArguments = typeArguments;
|
| + }
|
| + }
|
| + return element;
|
| + }
|
| +}
|
| +
|
| +@reflectiveTest
|
| +class TypeResolverVisitorTest extends EngineTestCase {
|
| + /**
|
| + * The error listener to which errors will be reported.
|
| + */
|
| + GatheringErrorListener _listener;
|
| +
|
| + /**
|
| + * The object representing the information about the library in which the types are being
|
| + * resolved.
|
| + */
|
| + Library _library;
|
| +
|
| + /**
|
| + * The type provider used to access the types.
|
| + */
|
| + TestTypeProvider _typeProvider;
|
| +
|
| + /**
|
| + * The visitor used to resolve types needed to form the type hierarchy.
|
| + */
|
| + TypeResolverVisitor _visitor;
|
| +
|
| + void fail_visitConstructorDeclaration() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitFunctionTypeAlias() {
|
| + fail("Not yet tested");
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void fail_visitVariableDeclaration() {
|
| + fail("Not yet tested");
|
| + ClassElement type = ElementFactory.classElement2("A");
|
| + VariableDeclaration node = AstFactory.variableDeclaration("a");
|
| + AstFactory.variableDeclarationList(null, AstFactory.typeName(type), [node]);
|
| + //resolve(node);
|
| + expect(node.name.staticType, same(type.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + @override
|
| + void setUp() {
|
| + _listener = new GatheringErrorListener();
|
| + InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
|
| + Source librarySource =
|
| + new FileBasedSource(FileUtilities2.createFile("/lib.dart"));
|
| + _library = new Library(context, _listener, librarySource);
|
| + LibraryElementImpl element = new LibraryElementImpl.forNode(
|
| + context, AstFactory.libraryIdentifier2(["lib"]));
|
| + element.definingCompilationUnit =
|
| + new CompilationUnitElementImpl("lib.dart");
|
| + _library.libraryElement = element;
|
| + _typeProvider = new TestTypeProvider();
|
| + _visitor = new TypeResolverVisitor(_library.libraryElement, librarySource,
|
| + _typeProvider, _library.errorListener,
|
| + nameScope: _library.libraryScope);
|
| + }
|
| +
|
| + void test_visitCatchClause_exception() {
|
| + // catch (e)
|
| + CatchClause clause = AstFactory.catchClause("e");
|
| + SimpleIdentifier exceptionParameter = clause.exceptionParameter;
|
| + exceptionParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(exceptionParameter);
|
| + _resolveCatchClause(clause, _typeProvider.dynamicType, null);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitCatchClause_exception_stackTrace() {
|
| + // catch (e, s)
|
| + CatchClause clause = AstFactory.catchClause2("e", "s");
|
| + SimpleIdentifier exceptionParameter = clause.exceptionParameter;
|
| + exceptionParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(exceptionParameter);
|
| + SimpleIdentifier stackTraceParameter = clause.stackTraceParameter;
|
| + stackTraceParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(stackTraceParameter);
|
| + _resolveCatchClause(
|
| + clause, _typeProvider.dynamicType, _typeProvider.stackTraceType);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitCatchClause_on_exception() {
|
| + // on E catch (e)
|
| + ClassElement exceptionElement = ElementFactory.classElement2("E");
|
| + TypeName exceptionType = AstFactory.typeName(exceptionElement);
|
| + CatchClause clause = AstFactory.catchClause4(exceptionType, "e");
|
| + SimpleIdentifier exceptionParameter = clause.exceptionParameter;
|
| + exceptionParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(exceptionParameter);
|
| + _resolveCatchClause(
|
| + clause, exceptionElement.type, null, [exceptionElement]);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitCatchClause_on_exception_stackTrace() {
|
| + // on E catch (e, s)
|
| + ClassElement exceptionElement = ElementFactory.classElement2("E");
|
| + TypeName exceptionType = AstFactory.typeName(exceptionElement);
|
| + (exceptionType.name as SimpleIdentifier).staticElement = exceptionElement;
|
| + CatchClause clause = AstFactory.catchClause5(exceptionType, "e", "s");
|
| + SimpleIdentifier exceptionParameter = clause.exceptionParameter;
|
| + exceptionParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(exceptionParameter);
|
| + SimpleIdentifier stackTraceParameter = clause.stackTraceParameter;
|
| + stackTraceParameter.staticElement =
|
| + new LocalVariableElementImpl.forNode(stackTraceParameter);
|
| + _resolveCatchClause(clause, exceptionElement.type,
|
| + _typeProvider.stackTraceType, [exceptionElement]);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitClassDeclaration() {
|
| + // class A extends B with C implements D {}
|
| + // class B {}
|
| + // class C {}
|
| + // class D {}
|
| + ClassElement elementA = ElementFactory.classElement2("A");
|
| + ClassElement elementB = ElementFactory.classElement2("B");
|
| + ClassElement elementC = ElementFactory.classElement2("C");
|
| + ClassElement elementD = ElementFactory.classElement2("D");
|
| + ExtendsClause extendsClause =
|
| + AstFactory.extendsClause(AstFactory.typeName(elementB));
|
| + WithClause withClause =
|
| + AstFactory.withClause([AstFactory.typeName(elementC)]);
|
| + ImplementsClause implementsClause =
|
| + AstFactory.implementsClause([AstFactory.typeName(elementD)]);
|
| + ClassDeclaration declaration = AstFactory.classDeclaration(
|
| + null, "A", null, extendsClause, withClause, implementsClause);
|
| + declaration.name.staticElement = elementA;
|
| + _resolveNode(declaration, [elementA, elementB, elementC, elementD]);
|
| + expect(elementA.supertype, same(elementB.type));
|
| + List<InterfaceType> mixins = elementA.mixins;
|
| + expect(mixins, hasLength(1));
|
| + expect(mixins[0], same(elementC.type));
|
| + List<InterfaceType> interfaces = elementA.interfaces;
|
| + expect(interfaces, hasLength(1));
|
| + expect(interfaces[0], same(elementD.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitClassDeclaration_instanceMemberCollidesWithClass() {
|
| + // class A {}
|
| + // class B extends A {
|
| + // void A() {}
|
| + // }
|
| + ClassElementImpl elementA = ElementFactory.classElement2("A");
|
| + ClassElementImpl elementB = ElementFactory.classElement2("B");
|
| + elementB.methods = <MethodElement>[
|
| + ElementFactory.methodElement("A", VoidTypeImpl.instance)
|
| + ];
|
| + ExtendsClause extendsClause =
|
| + AstFactory.extendsClause(AstFactory.typeName(elementA));
|
| + ClassDeclaration declaration =
|
| + AstFactory.classDeclaration(null, "B", null, extendsClause, null, null);
|
| + declaration.name.staticElement = elementB;
|
| + _resolveNode(declaration, [elementA, elementB]);
|
| + expect(elementB.supertype, same(elementA.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitClassTypeAlias() {
|
| + // class A = B with C implements D;
|
| + ClassElement elementA = ElementFactory.classElement2("A");
|
| + ClassElement elementB = ElementFactory.classElement2("B");
|
| + ClassElement elementC = ElementFactory.classElement2("C");
|
| + ClassElement elementD = ElementFactory.classElement2("D");
|
| + WithClause withClause =
|
| + AstFactory.withClause([AstFactory.typeName(elementC)]);
|
| + ImplementsClause implementsClause =
|
| + AstFactory.implementsClause([AstFactory.typeName(elementD)]);
|
| + ClassTypeAlias alias = AstFactory.classTypeAlias("A", null, null,
|
| + AstFactory.typeName(elementB), withClause, implementsClause);
|
| + alias.name.staticElement = elementA;
|
| + _resolveNode(alias, [elementA, elementB, elementC, elementD]);
|
| + expect(elementA.supertype, same(elementB.type));
|
| + List<InterfaceType> mixins = elementA.mixins;
|
| + expect(mixins, hasLength(1));
|
| + expect(mixins[0], same(elementC.type));
|
| + List<InterfaceType> interfaces = elementA.interfaces;
|
| + expect(interfaces, hasLength(1));
|
| + expect(interfaces[0], same(elementD.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitClassTypeAlias_constructorWithOptionalParams_ignored() {
|
| + // class T {}
|
| + // class B {
|
| + // B.c1();
|
| + // B.c2([T a0]);
|
| + // B.c3({T a0});
|
| + // }
|
| + // class M {}
|
| + // class C = B with M
|
| + ClassElement classT = ElementFactory.classElement2('T', []);
|
| + ClassElementImpl classB = ElementFactory.classElement2('B', []);
|
| + ConstructorElementImpl constructorBc1 =
|
| + ElementFactory.constructorElement2(classB, 'c1', []);
|
| + ConstructorElementImpl constructorBc2 =
|
| + ElementFactory.constructorElement2(classB, 'c2', [classT.type]);
|
| + (constructorBc2.parameters[0] as ParameterElementImpl).parameterKind =
|
| + ParameterKind.POSITIONAL;
|
| + ConstructorElementImpl constructorBc3 =
|
| + ElementFactory.constructorElement2(classB, 'c3', [classT.type]);
|
| + (constructorBc3.parameters[0] as ParameterElementImpl).parameterKind =
|
| + ParameterKind.NAMED;
|
| + classB.constructors = [constructorBc1, constructorBc2, constructorBc3];
|
| + ClassElement classM = ElementFactory.classElement2('M', []);
|
| + WithClause withClause =
|
| + AstFactory.withClause([AstFactory.typeName(classM, [])]);
|
| + ClassElement classC = ElementFactory.classTypeAlias2('C', []);
|
| + ClassTypeAlias alias = AstFactory.classTypeAlias(
|
| + 'C', null, null, AstFactory.typeName(classB, []), withClause, null);
|
| + alias.name.staticElement = classC;
|
| + _resolveNode(alias, [classT, classB, classM, classC]);
|
| + expect(classC.constructors, hasLength(1));
|
| + ConstructorElement constructor = classC.constructors[0];
|
| + expect(constructor.isFactory, isFalse);
|
| + expect(constructor.isSynthetic, isTrue);
|
| + expect(constructor.name, 'c1');
|
| + expect(constructor.functions, hasLength(0));
|
| + expect(constructor.labels, hasLength(0));
|
| + expect(constructor.localVariables, hasLength(0));
|
| + expect(constructor.parameters, isEmpty);
|
| + }
|
| +
|
| + void test_visitClassTypeAlias_constructorWithParams() {
|
| + // class T {}
|
| + // class B {
|
| + // B(T a0);
|
| + // }
|
| + // class M {}
|
| + // class C = B with M
|
| + ClassElement classT = ElementFactory.classElement2('T', []);
|
| + ClassElementImpl classB = ElementFactory.classElement2('B', []);
|
| + ConstructorElementImpl constructorB =
|
| + ElementFactory.constructorElement2(classB, '', [classT.type]);
|
| + classB.constructors = [constructorB];
|
| + ClassElement classM = ElementFactory.classElement2('M', []);
|
| + WithClause withClause =
|
| + AstFactory.withClause([AstFactory.typeName(classM, [])]);
|
| + ClassElement classC = ElementFactory.classTypeAlias2('C', []);
|
| + ClassTypeAlias alias = AstFactory.classTypeAlias(
|
| + 'C', null, null, AstFactory.typeName(classB, []), withClause, null);
|
| + alias.name.staticElement = classC;
|
| + _resolveNode(alias, [classT, classB, classM, classC]);
|
| + expect(classC.constructors, hasLength(1));
|
| + ConstructorElement constructor = classC.constructors[0];
|
| + expect(constructor.isFactory, isFalse);
|
| + expect(constructor.isSynthetic, isTrue);
|
| + expect(constructor.name, '');
|
| + expect(constructor.functions, hasLength(0));
|
| + expect(constructor.labels, hasLength(0));
|
| + expect(constructor.localVariables, hasLength(0));
|
| + expect(constructor.parameters, hasLength(1));
|
| + expect(constructor.parameters[0].type, equals(classT.type));
|
| + expect(constructor.parameters[0].name,
|
| + equals(constructorB.parameters[0].name));
|
| + }
|
| +
|
| + void test_visitClassTypeAlias_defaultConstructor() {
|
| + // class B {}
|
| + // class M {}
|
| + // class C = B with M
|
| + ClassElementImpl classB = ElementFactory.classElement2('B', []);
|
| + ConstructorElementImpl constructorB =
|
| + ElementFactory.constructorElement2(classB, '', []);
|
| + constructorB.setModifier(Modifier.SYNTHETIC, true);
|
| + classB.constructors = [constructorB];
|
| + ClassElement classM = ElementFactory.classElement2('M', []);
|
| + WithClause withClause =
|
| + AstFactory.withClause([AstFactory.typeName(classM, [])]);
|
| + ClassElement classC = ElementFactory.classTypeAlias2('C', []);
|
| + ClassTypeAlias alias = AstFactory.classTypeAlias(
|
| + 'C', null, null, AstFactory.typeName(classB, []), withClause, null);
|
| + alias.name.staticElement = classC;
|
| + _resolveNode(alias, [classB, classM, classC]);
|
| + expect(classC.constructors, hasLength(1));
|
| + ConstructorElement constructor = classC.constructors[0];
|
| + expect(constructor.isFactory, isFalse);
|
| + expect(constructor.isSynthetic, isTrue);
|
| + expect(constructor.name, '');
|
| + expect(constructor.functions, hasLength(0));
|
| + expect(constructor.labels, hasLength(0));
|
| + expect(constructor.localVariables, hasLength(0));
|
| + expect(constructor.parameters, isEmpty);
|
| + }
|
| +
|
| + void test_visitFieldFormalParameter_functionType() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + TypeName intTypeName = AstFactory.typeName4("int");
|
| + String innerParameterName = "a";
|
| + SimpleFormalParameter parameter =
|
| + AstFactory.simpleFormalParameter3(innerParameterName);
|
| + parameter.identifier.staticElement =
|
| + ElementFactory.requiredParameter(innerParameterName);
|
| + String outerParameterName = "p";
|
| + FormalParameter node = AstFactory.fieldFormalParameter(null, intTypeName,
|
| + outerParameterName, AstFactory.formalParameterList([parameter]));
|
| + node.identifier.staticElement =
|
| + ElementFactory.requiredParameter(outerParameterName);
|
| + DartType parameterType = _resolveFormalParameter(node, [intType.element]);
|
| + EngineTestCase.assertInstanceOf(
|
| + (obj) => obj is FunctionType, FunctionType, parameterType);
|
| + FunctionType functionType = parameterType as FunctionType;
|
| + expect(functionType.returnType, same(intType));
|
| + expect(functionType.parameters, hasLength(1));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFieldFormalParameter_noType() {
|
| + String parameterName = "p";
|
| + FormalParameter node =
|
| + AstFactory.fieldFormalParameter(Keyword.VAR, null, parameterName);
|
| + node.identifier.staticElement =
|
| + ElementFactory.requiredParameter(parameterName);
|
| + expect(_resolveFormalParameter(node), same(_typeProvider.dynamicType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFieldFormalParameter_type() {
|
| + InterfaceType intType = _typeProvider.intType;
|
| + TypeName intTypeName = AstFactory.typeName4("int");
|
| + String parameterName = "p";
|
| + FormalParameter node =
|
| + AstFactory.fieldFormalParameter(null, intTypeName, parameterName);
|
| + node.identifier.staticElement =
|
| + ElementFactory.requiredParameter(parameterName);
|
| + expect(_resolveFormalParameter(node, [intType.element]), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionDeclaration() {
|
| + // R f(P p) {}
|
| + // class R {}
|
| + // class P {}
|
| + ClassElement elementR = ElementFactory.classElement2('R');
|
| + ClassElement elementP = ElementFactory.classElement2('P');
|
| + FunctionElement elementF = ElementFactory.functionElement('f');
|
| + FunctionDeclaration declaration = AstFactory.functionDeclaration(
|
| + AstFactory.typeName4('R'),
|
| + null,
|
| + 'f',
|
| + AstFactory.functionExpression2(
|
| + AstFactory.formalParameterList([
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('P'), 'p')
|
| + ]),
|
| + null));
|
| + declaration.name.staticElement = elementF;
|
| + _resolveNode(declaration, [elementR, elementP]);
|
| + expect(declaration.returnType.type, elementR.type);
|
| + SimpleFormalParameter parameter =
|
| + declaration.functionExpression.parameters.parameters[0];
|
| + expect(parameter.type.type, elementP.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionDeclaration_typeParameter() {
|
| + // E f<E>(E e) {}
|
| + TypeParameterElement elementE = ElementFactory.typeParameterElement('E');
|
| + FunctionElementImpl elementF = ElementFactory.functionElement('f');
|
| + elementF.typeParameters = <TypeParameterElement>[elementE];
|
| + FunctionDeclaration declaration = AstFactory.functionDeclaration(
|
| + AstFactory.typeName4('E'),
|
| + null,
|
| + 'f',
|
| + AstFactory.functionExpression2(
|
| + AstFactory.formalParameterList([
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('E'), 'e')
|
| + ]),
|
| + null));
|
| + declaration.name.staticElement = elementF;
|
| + _resolveNode(declaration, []);
|
| + expect(declaration.returnType.type, elementE.type);
|
| + SimpleFormalParameter parameter =
|
| + declaration.functionExpression.parameters.parameters[0];
|
| + expect(parameter.type.type, elementE.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionTypedFormalParameter() {
|
| + // R f(R g(P p)) {}
|
| + // class R {}
|
| + // class P {}
|
| + ClassElement elementR = ElementFactory.classElement2('R');
|
| + ClassElement elementP = ElementFactory.classElement2('P');
|
| + FunctionElement elementF = ElementFactory.functionElement('f');
|
| + ParameterElementImpl requiredParameter =
|
| + ElementFactory.requiredParameter('p');
|
| + FunctionTypedFormalParameter parameterDeclaration = AstFactory
|
| + .functionTypedFormalParameter(AstFactory.typeName4('R'), 'g', [
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('P'), 'p')
|
| + ]);
|
| + parameterDeclaration.identifier.staticElement = requiredParameter;
|
| + FunctionDeclaration declaration = AstFactory.functionDeclaration(
|
| + AstFactory.typeName4('R'),
|
| + null,
|
| + 'f',
|
| + AstFactory.functionExpression2(
|
| + AstFactory.formalParameterList([parameterDeclaration]), null));
|
| + declaration.name.staticElement = elementF;
|
| + _resolveNode(declaration, [elementR, elementP]);
|
| + expect(declaration.returnType.type, elementR.type);
|
| + FunctionTypedFormalParameter parameter =
|
| + declaration.functionExpression.parameters.parameters[0];
|
| + expect(parameter.returnType.type, elementR.type);
|
| + SimpleFormalParameter innerParameter = parameter.parameters.parameters[0];
|
| + expect(innerParameter.type.type, elementP.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitFunctionTypedFormalParameter_typeParameter() {
|
| + // R f(R g<E>(E e)) {}
|
| + // class R {}
|
| + ClassElement elementR = ElementFactory.classElement2('R');
|
| + TypeParameterElement elementE = ElementFactory.typeParameterElement('E');
|
| + FunctionElement elementF = ElementFactory.functionElement('f');
|
| + ParameterElementImpl requiredParameter =
|
| + ElementFactory.requiredParameter('g');
|
| + requiredParameter.typeParameters = <TypeParameterElement>[elementE];
|
| + FunctionTypedFormalParameter parameterDeclaration = AstFactory
|
| + .functionTypedFormalParameter(AstFactory.typeName4('R'), 'g', [
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('E'), 'e')
|
| + ]);
|
| + parameterDeclaration.identifier.staticElement = requiredParameter;
|
| + FunctionDeclaration declaration = AstFactory.functionDeclaration(
|
| + AstFactory.typeName4('R'),
|
| + null,
|
| + 'f',
|
| + AstFactory.functionExpression2(
|
| + AstFactory.formalParameterList([parameterDeclaration]), null));
|
| + declaration.name.staticElement = elementF;
|
| + _resolveNode(declaration, [elementR]);
|
| + expect(declaration.returnType.type, elementR.type);
|
| + FunctionTypedFormalParameter parameter =
|
| + declaration.functionExpression.parameters.parameters[0];
|
| + expect(parameter.returnType.type, elementR.type);
|
| + SimpleFormalParameter innerParameter = parameter.parameters.parameters[0];
|
| + expect(innerParameter.type.type, elementE.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMethodDeclaration() {
|
| + // class A {
|
| + // R m(P p) {}
|
| + // }
|
| + // class R {}
|
| + // class P {}
|
| + ClassElementImpl elementA = ElementFactory.classElement2('A');
|
| + ClassElement elementR = ElementFactory.classElement2('R');
|
| + ClassElement elementP = ElementFactory.classElement2('P');
|
| + MethodElement elementM = ElementFactory.methodElement('m', null);
|
| + elementA.methods = <MethodElement>[elementM];
|
| + MethodDeclaration declaration = AstFactory.methodDeclaration(
|
| + null,
|
| + AstFactory.typeName4('R'),
|
| + null,
|
| + null,
|
| + AstFactory.identifier3('m'),
|
| + AstFactory.formalParameterList([
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('P'), 'p')
|
| + ]));
|
| + declaration.name.staticElement = elementM;
|
| + _resolveNode(declaration, [elementA, elementR, elementP]);
|
| + expect(declaration.returnType.type, elementR.type);
|
| + SimpleFormalParameter parameter = declaration.parameters.parameters[0];
|
| + expect(parameter.type.type, elementP.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitMethodDeclaration_typeParameter() {
|
| + // class A {
|
| + // E m<E>(E e) {}
|
| + // }
|
| + ClassElementImpl elementA = ElementFactory.classElement2('A');
|
| + TypeParameterElement elementE = ElementFactory.typeParameterElement('E');
|
| + MethodElementImpl elementM = ElementFactory.methodElement('m', null);
|
| + elementM.typeParameters = <TypeParameterElement>[elementE];
|
| + elementA.methods = <MethodElement>[elementM];
|
| + MethodDeclaration declaration = AstFactory.methodDeclaration(
|
| + null,
|
| + AstFactory.typeName4('E'),
|
| + null,
|
| + null,
|
| + AstFactory.identifier3('m'),
|
| + AstFactory.formalParameterList([
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName4('E'), 'e')
|
| + ]));
|
| + declaration.name.staticElement = elementM;
|
| + _resolveNode(declaration, [elementA]);
|
| + expect(declaration.returnType.type, elementE.type);
|
| + SimpleFormalParameter parameter = declaration.parameters.parameters[0];
|
| + expect(parameter.type.type, elementE.type);
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleFormalParameter_noType() {
|
| + // p
|
| + FormalParameter node = AstFactory.simpleFormalParameter3("p");
|
| + node.identifier.staticElement =
|
| + new ParameterElementImpl.forNode(AstFactory.identifier3("p"));
|
| + expect(_resolveFormalParameter(node), same(_typeProvider.dynamicType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitSimpleFormalParameter_type() {
|
| + // int p
|
| + InterfaceType intType = _typeProvider.intType;
|
| + ClassElement intElement = intType.element;
|
| + FormalParameter node =
|
| + AstFactory.simpleFormalParameter4(AstFactory.typeName(intElement), "p");
|
| + SimpleIdentifier identifier = node.identifier;
|
| + ParameterElementImpl element = new ParameterElementImpl.forNode(identifier);
|
| + identifier.staticElement = element;
|
| + expect(_resolveFormalParameter(node, [intElement]), same(intType));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitTypeName_noParameters_noArguments() {
|
| + ClassElement classA = ElementFactory.classElement2("A");
|
| + TypeName typeName = AstFactory.typeName(classA);
|
| + typeName.type = null;
|
| + _resolveNode(typeName, [classA]);
|
| + expect(typeName.type, same(classA.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitTypeName_parameters_arguments() {
|
| + ClassElement classA = ElementFactory.classElement2("A", ["E"]);
|
| + ClassElement classB = ElementFactory.classElement2("B");
|
| + TypeName typeName =
|
| + AstFactory.typeName(classA, [AstFactory.typeName(classB)]);
|
| + typeName.type = null;
|
| + _resolveNode(typeName, [classA, classB]);
|
| + InterfaceType resultType = typeName.type as InterfaceType;
|
| + expect(resultType.element, same(classA));
|
| + List<DartType> resultArguments = resultType.typeArguments;
|
| + expect(resultArguments, hasLength(1));
|
| + expect(resultArguments[0], same(classB.type));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitTypeName_parameters_noArguments() {
|
| + ClassElement classA = ElementFactory.classElement2("A", ["E"]);
|
| + TypeName typeName = AstFactory.typeName(classA);
|
| + typeName.type = null;
|
| + _resolveNode(typeName, [classA]);
|
| + InterfaceType resultType = typeName.type as InterfaceType;
|
| + expect(resultType.element, same(classA));
|
| + List<DartType> resultArguments = resultType.typeArguments;
|
| + expect(resultArguments, hasLength(1));
|
| + expect(resultArguments[0], same(DynamicTypeImpl.instance));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + void test_visitTypeName_void() {
|
| + ClassElement classA = ElementFactory.classElement2("A");
|
| + TypeName typeName = AstFactory.typeName4("void");
|
| + _resolveNode(typeName, [classA]);
|
| + expect(typeName.type, same(VoidTypeImpl.instance));
|
| + _listener.assertNoErrors();
|
| + }
|
| +
|
| + /**
|
| + * Analyze the given catch clause and assert that the types of the parameters have been set to the
|
| + * given types. The types can be null if the catch clause does not have the corresponding
|
| + * parameter.
|
| + *
|
| + * @param node the catch clause to be analyzed
|
| + * @param exceptionType the expected type of the exception parameter
|
| + * @param stackTraceType the expected type of the stack trace parameter
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + */
|
| + void _resolveCatchClause(
|
| + CatchClause node, DartType exceptionType, InterfaceType stackTraceType,
|
| + [List<Element> definedElements]) {
|
| + _resolveNode(node, definedElements);
|
| + SimpleIdentifier exceptionParameter = node.exceptionParameter;
|
| + if (exceptionParameter != null) {
|
| + expect(exceptionParameter.staticType, same(exceptionType));
|
| + }
|
| + SimpleIdentifier stackTraceParameter = node.stackTraceParameter;
|
| + if (stackTraceParameter != null) {
|
| + expect(stackTraceParameter.staticType, same(stackTraceType));
|
| + }
|
| + }
|
| +
|
| + /**
|
| + * Return the type associated with the given parameter after the static type analyzer has computed
|
| + * a type for it.
|
| + *
|
| + * @param node the parameter with which the type is associated
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + * @return the type associated with the parameter
|
| + */
|
| + DartType _resolveFormalParameter(FormalParameter node,
|
| + [List<Element> definedElements]) {
|
| + _resolveNode(node, definedElements);
|
| + return (node.identifier.staticElement as ParameterElement).type;
|
| + }
|
| +
|
| + /**
|
| + * Return the element associated with the given identifier after the resolver has resolved the
|
| + * identifier.
|
| + *
|
| + * @param node the expression to be resolved
|
| + * @param definedElements the elements that are to be defined in the scope in which the element is
|
| + * being resolved
|
| + * @return the element to which the expression was resolved
|
| + */
|
| + void _resolveNode(AstNode node, [List<Element> definedElements]) {
|
| + if (definedElements != null) {
|
| + for (Element element in definedElements) {
|
| + _library.libraryScope.define(element);
|
| + }
|
| + }
|
| + node.accept(_visitor);
|
| + }
|
| +}
|
| +
|
| +class _AnalysisContextFactory_initContextWithCore
|
| + extends DirectoryBasedDartSdk {
|
| + _AnalysisContextFactory_initContextWithCore(JavaFile arg0) : super(arg0);
|
| +
|
| + @override
|
| + LibraryMap initialLibraryMap(bool useDart2jsPaths) {
|
| + LibraryMap map = new LibraryMap();
|
| + _addLibrary(map, DartSdk.DART_ASYNC, false, "async.dart");
|
| + _addLibrary(map, DartSdk.DART_CORE, false, "core.dart");
|
| + _addLibrary(map, DartSdk.DART_HTML, false, "html_dartium.dart");
|
| + _addLibrary(map, AnalysisContextFactory._DART_MATH, false, "math.dart");
|
| + _addLibrary(map, AnalysisContextFactory._DART_INTERCEPTORS, true,
|
| + "_interceptors.dart");
|
| + _addLibrary(
|
| + map, AnalysisContextFactory._DART_JS_HELPER, true, "_js_helper.dart");
|
| + return map;
|
| + }
|
| +
|
| + void _addLibrary(LibraryMap map, String uri, bool isInternal, String path) {
|
| + SdkLibraryImpl library = new SdkLibraryImpl(uri);
|
| + if (isInternal) {
|
| + library.category = "Internal";
|
| + }
|
| + library.path = path;
|
| + map.setLibrary(uri, library);
|
| + }
|
| +}
|
| +
|
| +class _SimpleResolverTest_localVariable_types_invoked
|
| + extends RecursiveAstVisitor<Object> {
|
| + final SimpleResolverTest test;
|
| +
|
| + List<bool> found;
|
| +
|
| + List<CaughtException> thrownException;
|
| +
|
| + _SimpleResolverTest_localVariable_types_invoked(
|
| + this.test, this.found, this.thrownException)
|
| + : super();
|
| +
|
| + @override
|
| + Object visitSimpleIdentifier(SimpleIdentifier node) {
|
| + if (node.name == "myVar" && node.parent is MethodInvocation) {
|
| + try {
|
| + found[0] = true;
|
| + // check static type
|
| + DartType staticType = node.staticType;
|
| + expect(staticType, same(test.typeProvider.dynamicType));
|
| + // check propagated type
|
| + FunctionType propagatedType = node.propagatedType as FunctionType;
|
| + expect(propagatedType.returnType, test.typeProvider.stringType);
|
| + } on AnalysisException catch (e, stackTrace) {
|
| + thrownException[0] = new CaughtException(e, stackTrace);
|
| + }
|
| + }
|
| + return null;
|
| + }
|
| +}
|
| +
|
| +/**
|
| + * Shared infrastructure for [StaticTypeAnalyzer2Test] and
|
| + * [StrongModeStaticTypeAnalyzer2Test].
|
| + */
|
| +class _StaticTypeAnalyzer2TestShared extends ResolverTestCase {
|
| + String testCode;
|
| + Source testSource;
|
| + CompilationUnit testUnit;
|
| +
|
| + SimpleIdentifier _findIdentifier(String search) {
|
| + SimpleIdentifier identifier = EngineTestCase.findNode(
|
| + testUnit, testCode, search, (node) => node is SimpleIdentifier);
|
| + return identifier;
|
| + }
|
| +
|
| + void _resolveTestUnit(String code) {
|
| + testCode = code;
|
| + testSource = addSource(testCode);
|
| + LibraryElement library = resolve2(testSource);
|
| + assertNoErrors(testSource);
|
| + verify([testSource]);
|
| + testUnit = resolveCompilationUnit(testSource, library);
|
| + }
|
| +}
|
|
|
Chromium Code Reviews
Issue 1400473008:
Roll Observatory packages and add a roll script (Closed)
Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master