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Unified Diff: pkg/analyzer/test/generated/element_test.dart

Issue 1529923003: Moved the tests for the element model into locations corresponding to the implementation (Closed) Base URL: https://github.com/dart-lang/sdk.git@master
Patch Set: Created 5 years ago
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Index: pkg/analyzer/test/generated/element_test.dart
diff --git a/pkg/analyzer/test/generated/element_test.dart b/pkg/analyzer/test/generated/element_test.dart
deleted file mode 100644
index 301352e761dfdffb76a64b353069874a1e470245..0000000000000000000000000000000000000000
--- a/pkg/analyzer/test/generated/element_test.dart
+++ /dev/null
@@ -1,4019 +0,0 @@
-// 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 analyzer.test.generated.element_test;
-
-import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/dart/element/type.dart';
-import 'package:analyzer/src/dart/element/element.dart';
-import 'package:analyzer/src/dart/element/type.dart';
-import 'package:analyzer/src/generated/ast.dart';
-import 'package:analyzer/src/generated/engine.dart'
- show AnalysisContext, AnalysisOptionsImpl;
-import 'package:analyzer/src/generated/java_core.dart';
-import 'package:analyzer/src/generated/source_io.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:unittest/unittest.dart';
-
-import '../reflective_tests.dart';
-import '../utils.dart';
-import 'resolver_test.dart' show TestTypeProvider, AnalysisContextHelper;
-import 'test_support.dart';
-
-main() {
- initializeTestEnvironment();
- runReflectiveTests(ElementKindTest);
- runReflectiveTests(FieldElementImplTest);
- runReflectiveTests(FunctionTypeImplTest);
- runReflectiveTests(InterfaceTypeImplTest);
- runReflectiveTests(TypeParameterTypeImplTest);
- runReflectiveTests(VoidTypeImplTest);
- runReflectiveTests(ClassElementImplTest);
- runReflectiveTests(CompilationUnitElementImplTest);
- runReflectiveTests(ElementLocationImplTest);
- runReflectiveTests(ElementImplTest);
- runReflectiveTests(LibraryElementImplTest);
- runReflectiveTests(MethodElementImplTest);
- runReflectiveTests(MultiplyDefinedElementImplTest);
- runReflectiveTests(ParameterElementImplTest);
-}
-
-@reflectiveTest
-class ClassElementImplTest extends EngineTestCase {
- void test_computeNode_ClassDeclaration() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-class A {}
-@deprecated class B {}
-enum C {C1, C2, C3}
-@deprecated enum D {D1, D2, D3}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // A
- {
- ClassElement elementA = unitElement.getType("A");
- expect(elementA.isDeprecated, isFalse);
- expect(elementA.isEnum, isFalse);
- ClassDeclaration nodeA = elementA.computeNode();
- expect(nodeA, isNotNull);
- expect(nodeA.name.name, "A");
- expect(nodeA.element, same(elementA));
- }
- // B
- {
- ClassElement elementB = unitElement.getType("B");
- expect(elementB.isDeprecated, isTrue);
- expect(elementB.isEnum, isFalse);
- ClassDeclaration nodeB = elementB.computeNode();
- expect(nodeB, isNotNull);
- expect(nodeB.name.name, "B");
- expect(nodeB.element, same(elementB));
- }
- // C
- {
- ClassElement elementC = unitElement.getEnum("C");
- expect(elementC.isDeprecated, isFalse);
- expect(elementC.isEnum, isTrue);
- EnumDeclaration nodeC = elementC.computeNode();
- expect(nodeC, isNotNull);
- expect(nodeC.name.name, "C");
- expect(nodeC.element, same(elementC));
- }
- // D
- {
- ClassElement elementD = unitElement.getEnum("D");
- expect(elementD.isDeprecated, isTrue);
- expect(elementD.isEnum, isTrue);
- EnumDeclaration nodeC = elementD.computeNode();
- expect(nodeC, isNotNull);
- expect(nodeC.name.name, "D");
- expect(nodeC.element, same(elementD));
- }
- }
-
- void test_computeNode_ClassTypeAlias() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-abstract class A<K, V> = Object with MapMixin<K, V>;
-''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // A
- {
- ClassElement elementA = unitElement.getType("A");
- ClassTypeAlias nodeA = elementA.computeNode();
- expect(nodeA, isNotNull);
- expect(nodeA.name.name, "A");
- expect(nodeA.element, same(elementA));
- }
- }
-
- void test_getAllSupertypes_interface() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl elementC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = elementC.type;
- elementC.interfaces = <InterfaceType>[typeB];
- List<InterfaceType> supers = elementC.allSupertypes;
- List<InterfaceType> types = new List<InterfaceType>();
- types.addAll(supers);
- expect(types.contains(typeA), isTrue);
- expect(types.contains(typeB), isTrue);
- expect(types.contains(typeObject), isTrue);
- expect(types.contains(typeC), isFalse);
- }
-
- void test_getAllSupertypes_mixins() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = classC.type;
- classC.mixins = <InterfaceType>[typeB];
- List<InterfaceType> supers = classC.allSupertypes;
- List<InterfaceType> types = new List<InterfaceType>();
- types.addAll(supers);
- expect(types.contains(typeA), isFalse);
- expect(types.contains(typeB), isTrue);
- expect(types.contains(typeObject), isTrue);
- expect(types.contains(typeC), isFalse);
- }
-
- void test_getAllSupertypes_recursive() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- List<InterfaceType> supers = classB.allSupertypes;
- expect(supers, hasLength(1));
- }
-
- void test_getField() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String fieldName = "f";
- FieldElementImpl field =
- ElementFactory.fieldElement(fieldName, false, false, false, null);
- classA.fields = <FieldElement>[field];
- expect(classA.getField(fieldName), same(field));
- expect(field.isEnumConstant, false);
- // no such field
- expect(classA.getField("noSuchField"), same(null));
- }
-
- void test_getMethod_declared() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- expect(classA.getMethod(methodName), same(method));
- }
-
- void test_getMethod_undeclared() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- expect(classA.getMethod("${methodName}x"), isNull);
- }
-
- void test_hasNonFinalField_false_const() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.fields = <FieldElement>[
- ElementFactory.fieldElement("f", false, false, true, classA.type)
- ];
- expect(classA.hasNonFinalField, isFalse);
- }
-
- void test_hasNonFinalField_false_final() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.fields = <FieldElement>[
- ElementFactory.fieldElement("f", false, true, false, classA.type)
- ];
- expect(classA.hasNonFinalField, isFalse);
- }
-
- void test_hasNonFinalField_false_recursive() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- expect(classA.hasNonFinalField, isFalse);
- }
-
- void test_hasNonFinalField_true_immediate() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.fields = <FieldElement>[
- ElementFactory.fieldElement("f", false, false, false, classA.type)
- ];
- expect(classA.hasNonFinalField, isTrue);
- }
-
- void test_hasNonFinalField_true_inherited() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.fields = <FieldElement>[
- ElementFactory.fieldElement("f", false, false, false, classA.type)
- ];
- expect(classB.hasNonFinalField, isTrue);
- }
-
- void test_hasStaticMember_false_empty() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- // no members
- expect(classA.hasStaticMember, isFalse);
- }
-
- void test_hasStaticMember_false_instanceMethod() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- MethodElement method = ElementFactory.methodElement("foo", null);
- classA.methods = <MethodElement>[method];
- expect(classA.hasStaticMember, isFalse);
- }
-
- void test_hasStaticMember_instanceGetter() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- PropertyAccessorElement getter =
- ElementFactory.getterElement("foo", false, null);
- classA.accessors = <PropertyAccessorElement>[getter];
- expect(classA.hasStaticMember, isFalse);
- }
-
- void test_hasStaticMember_true_getter() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- PropertyAccessorElementImpl getter =
- ElementFactory.getterElement("foo", false, null);
- classA.accessors = <PropertyAccessorElement>[getter];
- // "foo" is static
- getter.static = true;
- expect(classA.hasStaticMember, isTrue);
- }
-
- void test_hasStaticMember_true_method() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- MethodElementImpl method = ElementFactory.methodElement("foo", null);
- classA.methods = <MethodElement>[method];
- // "foo" is static
- method.static = true;
- expect(classA.hasStaticMember, isTrue);
- }
-
- void test_hasStaticMember_true_setter() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- PropertyAccessorElementImpl setter =
- ElementFactory.setterElement("foo", false, null);
- classA.accessors = <PropertyAccessorElement>[setter];
- // "foo" is static
- setter.static = true;
- expect(classA.hasStaticMember, isTrue);
- }
-
- void test_isEnum() {
- String firstConst = "A";
- String secondConst = "B";
- ClassElementImpl enumE = ElementFactory
- .enumElement(new TestTypeProvider(), "E", [firstConst, secondConst]);
-
- // E is an enum
- expect(enumE.isEnum, true);
-
- // A and B are static members
- expect(enumE.getField(firstConst).isEnumConstant, true);
- expect(enumE.getField(secondConst).isEnumConstant, true);
- }
-
- void test_lookUpConcreteMethod_declared() {
- // class A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpConcreteMethod(methodName, library), same(method));
- }
-
- void test_lookUpConcreteMethod_declaredAbstract() {
- // class A {
- // m();
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElementImpl method = ElementFactory.methodElement(methodName, null);
- method.abstract = true;
- classA.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpConcreteMethod(methodName, library), isNull);
- }
-
- void test_lookUpConcreteMethod_declaredAbstractAndInherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m();
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElementImpl method = ElementFactory.methodElement(methodName, null);
- method.abstract = true;
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpConcreteMethod_declaredAndInherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpConcreteMethod(methodName, library), same(method));
- }
-
- void test_lookUpConcreteMethod_declaredAndInheritedAbstract() {
- // abstract class A {
- // m();
- // }
- // class B extends A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.abstract = true;
- String methodName = "m";
- MethodElementImpl inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- inheritedMethod.abstract = true;
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpConcreteMethod(methodName, library), same(method));
- }
-
- void test_lookUpConcreteMethod_inherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpConcreteMethod_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpConcreteMethod("m", library), isNull);
- }
-
- void test_lookUpGetter_declared() {
- // class A {
- // get g {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getter =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getter];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpGetter(getterName, library), same(getter));
- }
-
- void test_lookUpGetter_inherited() {
- // class A {
- // get g {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getter =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getter];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpGetter(getterName, library), same(getter));
- }
-
- void test_lookUpGetter_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpGetter("g", library), isNull);
- }
-
- void test_lookUpGetter_undeclared_recursive() {
- // class A extends B {
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classA.lookUpGetter("g", library), isNull);
- }
-
- void test_lookUpInheritedConcreteGetter_declared() {
- // class A {
- // get g {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getter =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getter];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteGetter(getterName, library), isNull);
- }
-
- void test_lookUpInheritedConcreteGetter_inherited() {
- // class A {
- // get g {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement inheritedGetter =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[inheritedGetter];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteGetter(getterName, library),
- same(inheritedGetter));
- }
-
- void test_lookUpInheritedConcreteGetter_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteGetter("g", library), isNull);
- }
-
- void test_lookUpInheritedConcreteGetter_undeclared_recursive() {
- // class A extends B {
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classA.lookUpInheritedConcreteGetter("g", library), isNull);
- }
-
- void test_lookUpInheritedConcreteMethod_declared() {
- // class A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteMethod(methodName, library), isNull);
- }
-
- void test_lookUpInheritedConcreteMethod_declaredAbstractAndInherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m();
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElementImpl method = ElementFactory.methodElement(methodName, null);
- method.abstract = true;
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedConcreteMethod_declaredAndInherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedConcreteMethod_declaredAndInheritedAbstract() {
- // abstract class A {
- // m();
- // }
- // class B extends A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.abstract = true;
- String methodName = "m";
- MethodElementImpl inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- inheritedMethod.abstract = true;
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteMethod(methodName, library), isNull);
- }
-
- void
- test_lookUpInheritedConcreteMethod_declaredAndInheritedWithAbstractBetween() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m();
- // }
- // class C extends B {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElementImpl abstractMethod =
- ElementFactory.methodElement(methodName, null);
- abstractMethod.abstract = true;
- classB.methods = <MethodElement>[abstractMethod];
- ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
- MethodElementImpl method = ElementFactory.methodElement(methodName, null);
- classC.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB, classC];
- expect(classC.lookUpInheritedConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedConcreteMethod_inherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedConcreteMethod_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteMethod("m", library), isNull);
- }
-
- void test_lookUpInheritedConcreteSetter_declared() {
- // class A {
- // set g(x) {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setter =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setter];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteSetter(setterName, library), isNull);
- }
-
- void test_lookUpInheritedConcreteSetter_inherited() {
- // class A {
- // set g(x) {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setter =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setter];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedConcreteSetter(setterName, library),
- same(setter));
- }
-
- void test_lookUpInheritedConcreteSetter_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedConcreteSetter("s", library), isNull);
- }
-
- void test_lookUpInheritedConcreteSetter_undeclared_recursive() {
- // class A extends B {
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classA.lookUpInheritedConcreteSetter("s", library), isNull);
- }
-
- void test_lookUpInheritedMethod_declared() {
- // class A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedMethod(methodName, library), isNull);
- }
-
- void test_lookUpInheritedMethod_declaredAndInherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // m() {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classB.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedMethod_inherited() {
- // class A {
- // m() {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement inheritedMethod =
- ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[inheritedMethod];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpInheritedMethod(methodName, library),
- same(inheritedMethod));
- }
-
- void test_lookUpInheritedMethod_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpInheritedMethod("m", library), isNull);
- }
-
- void test_lookUpMethod_declared() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpMethod(methodName, library), same(method));
- }
-
- void test_lookUpMethod_inherited() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElement method = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[method];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpMethod(methodName, library), same(method));
- }
-
- void test_lookUpMethod_undeclared() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpMethod("m", library), isNull);
- }
-
- void test_lookUpMethod_undeclared_recursive() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classA.lookUpMethod("m", library), isNull);
- }
-
- void test_lookUpSetter_declared() {
- // class A {
- // set g(x) {}
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setter =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setter];
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpSetter(setterName, library), same(setter));
- }
-
- void test_lookUpSetter_inherited() {
- // class A {
- // set g(x) {}
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setter =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setter];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classB.lookUpSetter(setterName, library), same(setter));
- }
-
- void test_lookUpSetter_undeclared() {
- // class A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA];
- expect(classA.lookUpSetter("s", library), isNull);
- }
-
- void test_lookUpSetter_undeclared_recursive() {
- // class A extends B {
- // }
- // class B extends A {
- // }
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classA, classB];
- expect(classA.lookUpSetter("s", library), isNull);
- }
-}
-
-@reflectiveTest
-class CompilationUnitElementImplTest extends EngineTestCase {
- void test_getElementAt() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- String code = r'''
-class A {
- int field;
-}
-main() {
- int localVar = 42;
-}
-''';
- Source libSource = contextHelper.addSource("/my_lib.dart", code);
- // prepare library/unit elements
- LibraryElement libraryElement = context.computeLibraryElement(libSource);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // A
- ClassElement elementA;
- {
- int offset = code.indexOf('A {');
- elementA = unitElement.getElementAt(offset);
- expect(elementA, isNotNull);
- expect(elementA.enclosingElement, unitElement);
- expect(elementA.name, 'A');
- }
- // A.field
- {
- int offset = code.indexOf('field;');
- FieldElement element = unitElement.getElementAt(offset);
- expect(element, isNotNull);
- expect(element.enclosingElement, elementA);
- expect(element.name, 'field');
- }
- // main
- FunctionElement mainElement;
- {
- int offset = code.indexOf('main() {');
- mainElement = unitElement.getElementAt(offset);
- expect(mainElement, isNotNull);
- expect(mainElement.enclosingElement, unitElement);
- expect(mainElement.name, 'main');
- }
- // main.localVar
- {
- int offset = code.indexOf('localVar');
- LocalVariableElement element = unitElement.getElementAt(offset);
- expect(element, isNotNull);
- expect(element.enclosingElement, mainElement);
- expect(element.name, 'localVar');
- }
- // null
- expect(unitElement.getElementAt(1000), isNull);
- }
-
- void test_getElementAt_multipleUnitsInLibrary() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source libSource = contextHelper.addSource(
- "/my_lib.dart",
- r'''
-library my_lib;
-part 'unit_a.dart';
-part 'unit_b.dart';
-''');
- Source unitSourceA =
- contextHelper.addSource("/unit_a.dart", 'part of my_lib;class A {}');
- Source unitSourceB =
- contextHelper.addSource("/unit_b.dart", 'part of my_lib;class B {}');
- int offset = 'part of my_lib;class A {}'.indexOf('A {}');
- // prepare library/unit elements
- context.computeLibraryElement(libSource);
- CompilationUnitElement unitElementA =
- context.getCompilationUnitElement(unitSourceA, libSource);
- CompilationUnitElement unitElementB =
- context.getCompilationUnitElement(unitSourceB, libSource);
- // A
- {
- ClassElement element = unitElementA.getElementAt(offset);
- expect(element, isNotNull);
- expect(element.enclosingElement, unitElementA);
- expect(element.name, 'A');
- }
- // B
- {
- ClassElement element = unitElementB.getElementAt(offset);
- expect(element, isNotNull);
- expect(element.enclosingElement, unitElementB);
- expect(element.name, 'B');
- }
- }
-
- void test_getEnum_declared() {
- TestTypeProvider typeProvider = new TestTypeProvider();
- CompilationUnitElementImpl unit =
- ElementFactory.compilationUnit("/lib.dart");
- String enumName = "E";
- ClassElement enumElement =
- ElementFactory.enumElement(typeProvider, enumName);
- unit.enums = <ClassElement>[enumElement];
- expect(unit.getEnum(enumName), same(enumElement));
- }
-
- void test_getEnum_undeclared() {
- TestTypeProvider typeProvider = new TestTypeProvider();
- CompilationUnitElementImpl unit =
- ElementFactory.compilationUnit("/lib.dart");
- String enumName = "E";
- ClassElement enumElement =
- ElementFactory.enumElement(typeProvider, enumName);
- unit.enums = <ClassElement>[enumElement];
- expect(unit.getEnum("${enumName}x"), isNull);
- }
-
- void test_getType_declared() {
- CompilationUnitElementImpl unit =
- ElementFactory.compilationUnit("/lib.dart");
- String className = "C";
- ClassElement classElement = ElementFactory.classElement2(className);
- unit.types = <ClassElement>[classElement];
- expect(unit.getType(className), same(classElement));
- }
-
- void test_getType_undeclared() {
- CompilationUnitElementImpl unit =
- ElementFactory.compilationUnit("/lib.dart");
- String className = "C";
- ClassElement classElement = ElementFactory.classElement2(className);
- unit.types = <ClassElement>[classElement];
- expect(unit.getType("${className}x"), isNull);
- }
-}
-
-@reflectiveTest
-class ElementImplTest extends EngineTestCase {
- void test_equals() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElementImpl classElement = ElementFactory.classElement2("C");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classElement];
- FieldElement field = ElementFactory.fieldElement(
- "next", false, false, false, classElement.type);
- classElement.fields = <FieldElement>[field];
- expect(field == field, isTrue);
- expect(field == field.getter, isFalse);
- expect(field == field.setter, isFalse);
- expect(field.getter == field.setter, isFalse);
- }
-
- void test_isAccessibleIn_private_differentLibrary() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library1 = ElementFactory.library(context, "lib1");
- ClassElement classElement = ElementFactory.classElement2("_C");
- (library1.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classElement];
- LibraryElementImpl library2 = ElementFactory.library(context, "lib2");
- expect(classElement.isAccessibleIn(library2), isFalse);
- }
-
- void test_isAccessibleIn_private_sameLibrary() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElement classElement = ElementFactory.classElement2("_C");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classElement];
- expect(classElement.isAccessibleIn(library), isTrue);
- }
-
- void test_isAccessibleIn_public_differentLibrary() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library1 = ElementFactory.library(context, "lib1");
- ClassElement classElement = ElementFactory.classElement2("C");
- (library1.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classElement];
- LibraryElementImpl library2 = ElementFactory.library(context, "lib2");
- expect(classElement.isAccessibleIn(library2), isTrue);
- }
-
- void test_isAccessibleIn_public_sameLibrary() {
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- ClassElement classElement = ElementFactory.classElement2("C");
- (library.definingCompilationUnit as CompilationUnitElementImpl).types =
- <ClassElement>[classElement];
- expect(classElement.isAccessibleIn(library), isTrue);
- }
-
- void test_isPrivate_false() {
- Element element = ElementFactory.classElement2("C");
- expect(element.isPrivate, isFalse);
- }
-
- void test_isPrivate_null() {
- Element element = ElementFactory.classElement2(null);
- expect(element.isPrivate, isTrue);
- }
-
- void test_isPrivate_true() {
- Element element = ElementFactory.classElement2("_C");
- expect(element.isPrivate, isTrue);
- }
-
- void test_isPublic_false() {
- Element element = ElementFactory.classElement2("_C");
- expect(element.isPublic, isFalse);
- }
-
- void test_isPublic_null() {
- Element element = ElementFactory.classElement2(null);
- expect(element.isPublic, isFalse);
- }
-
- void test_isPublic_true() {
- Element element = ElementFactory.classElement2("C");
- expect(element.isPublic, isTrue);
- }
-
- void test_SORT_BY_OFFSET() {
- ClassElementImpl classElementA = ElementFactory.classElement2("A");
- classElementA.nameOffset = 1;
- ClassElementImpl classElementB = ElementFactory.classElement2("B");
- classElementB.nameOffset = 2;
- expect(Element.SORT_BY_OFFSET(classElementA, classElementA), 0);
- expect(Element.SORT_BY_OFFSET(classElementA, classElementB) < 0, isTrue);
- expect(Element.SORT_BY_OFFSET(classElementB, classElementA) > 0, isTrue);
- }
-}
-
-@reflectiveTest
-class ElementKindTest extends EngineTestCase {
- void test_of_nonNull() {
- expect(ElementKind.of(ElementFactory.classElement2("A")),
- same(ElementKind.CLASS));
- }
-
- void test_of_null() {
- expect(ElementKind.of(null), same(ElementKind.ERROR));
- }
-}
-
-@reflectiveTest
-class ElementLocationImplTest extends EngineTestCase {
- void test_create_encoding() {
- String encoding = "a;b;c";
- ElementLocationImpl location = new ElementLocationImpl.con2(encoding);
- expect(location.encoding, encoding);
- }
-
- /**
- * For example unnamed constructor.
- */
- void test_create_encoding_emptyLast() {
- String encoding = "a;b;c;";
- ElementLocationImpl location = new ElementLocationImpl.con2(encoding);
- expect(location.encoding, encoding);
- }
-
- void test_equals_equal() {
- String encoding = "a;b;c";
- ElementLocationImpl first = new ElementLocationImpl.con2(encoding);
- ElementLocationImpl second = new ElementLocationImpl.con2(encoding);
- expect(first == second, isTrue);
- }
-
- void test_equals_notEqual_differentLengths() {
- ElementLocationImpl first = new ElementLocationImpl.con2("a;b;c");
- ElementLocationImpl second = new ElementLocationImpl.con2("a;b;c;d");
- expect(first == second, isFalse);
- }
-
- void test_equals_notEqual_notLocation() {
- ElementLocationImpl first = new ElementLocationImpl.con2("a;b;c");
- expect(first == "a;b;d", isFalse);
- }
-
- void test_equals_notEqual_sameLengths() {
- ElementLocationImpl first = new ElementLocationImpl.con2("a;b;c");
- ElementLocationImpl second = new ElementLocationImpl.con2("a;b;d");
- expect(first == second, isFalse);
- }
-
- void test_getComponents() {
- String encoding = "a;b;c";
- ElementLocationImpl location = new ElementLocationImpl.con2(encoding);
- List<String> components = location.components;
- expect(components, hasLength(3));
- expect(components[0], "a");
- expect(components[1], "b");
- expect(components[2], "c");
- }
-
- void test_getEncoding() {
- String encoding = "a;b;c;;d";
- ElementLocationImpl location = new ElementLocationImpl.con2(encoding);
- expect(location.encoding, encoding);
- }
-
- void test_hashCode_equal() {
- String encoding = "a;b;c";
- ElementLocationImpl first = new ElementLocationImpl.con2(encoding);
- ElementLocationImpl second = new ElementLocationImpl.con2(encoding);
- expect(first.hashCode == second.hashCode, isTrue);
- }
-}
-
-@reflectiveTest
-class FieldElementImplTest extends EngineTestCase {
- void test_computeNode() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-class A {
- int a;
-}
-enum B {B1, B2, B3}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // A
- {
- FieldElement elementA = unitElement.getType("A").getField('a');
- VariableDeclaration nodeA = elementA.computeNode();
- expect(nodeA, isNotNull);
- expect(nodeA.name.name, "a");
- expect(nodeA.element, same(elementA));
- }
- // B
- {
- FieldElement elementB = unitElement.getEnum("B").getField('B2');
- EnumConstantDeclaration nodeB = elementB.computeNode();
- expect(nodeB, isNotNull);
- expect(nodeB.name.name, "B2");
- expect(nodeB.element, same(elementB));
- }
- }
-}
-
-@reflectiveTest
-class FunctionTypeImplTest extends EngineTestCase {
- void test_creation() {
- expect(
- new FunctionTypeImpl(
- new FunctionElementImpl.forNode(AstFactory.identifier3("f"))),
- isNotNull);
- }
-
- void test_equality_recursive() {
- FunctionTypeAliasElementImpl s =
- ElementFactory.functionTypeAliasElement('s');
- FunctionTypeAliasElementImpl t =
- ElementFactory.functionTypeAliasElement('t');
- FunctionTypeAliasElementImpl u =
- ElementFactory.functionTypeAliasElement('u');
- FunctionTypeAliasElementImpl v =
- ElementFactory.functionTypeAliasElement('v');
- s.returnType = t.type;
- t.returnType = s.type;
- u.returnType = v.type;
- v.returnType = u.type;
- // We don't care whether the types compare equal or not. We just need the
- // computation to terminate.
- expect(s.type == u.type, new isInstanceOf<bool>());
- }
-
- void test_getElement() {
- FunctionElementImpl typeElement =
- new FunctionElementImpl.forNode(AstFactory.identifier3("f"));
- FunctionTypeImpl type = new FunctionTypeImpl(typeElement);
- expect(type.element, typeElement);
- }
-
- void test_getNamedParameterTypes() {
- FunctionTypeImpl type = new FunctionTypeImpl(
- new FunctionElementImpl.forNode(AstFactory.identifier3("f")));
- Map<String, DartType> types = type.namedParameterTypes;
- expect(types, hasLength(0));
- }
-
- void test_getNormalParameterTypes() {
- FunctionTypeImpl type = new FunctionTypeImpl(
- new FunctionElementImpl.forNode(AstFactory.identifier3("f")));
- List<DartType> types = type.normalParameterTypes;
- expect(types, hasLength(0));
- }
-
- void test_getReturnType() {
- DartType expectedReturnType = VoidTypeImpl.instance;
- FunctionElementImpl functionElement =
- new FunctionElementImpl.forNode(AstFactory.identifier3("f"));
- functionElement.returnType = expectedReturnType;
- FunctionTypeImpl type = new FunctionTypeImpl(functionElement);
- DartType returnType = type.returnType;
- expect(returnType, expectedReturnType);
- }
-
- void test_getTypeArguments() {
- FunctionTypeImpl type = new FunctionTypeImpl(
- new FunctionElementImpl.forNode(AstFactory.identifier3("f")));
- List<DartType> types = type.typeArguments;
- expect(types, hasLength(0));
- }
-
- void test_hashCode_element() {
- FunctionTypeImpl type = new FunctionTypeImpl(
- new FunctionElementImpl.forNode(AstFactory.identifier3("f")));
- type.hashCode;
- }
-
- void test_hashCode_noElement() {
- FunctionTypeImpl type = new FunctionTypeImpl(null);
- type.hashCode;
- }
-
- void test_hashCode_recursive() {
- FunctionTypeAliasElementImpl s =
- ElementFactory.functionTypeAliasElement('s');
- FunctionTypeAliasElementImpl t =
- ElementFactory.functionTypeAliasElement('t');
- s.returnType = t.type;
- t.returnType = s.type;
- // We don't care what the hash code is. We just need its computation to
- // terminate.
- expect(t.type.hashCode, new isInstanceOf<int>());
- }
-
- void test_isAssignableTo_normalAndPositionalArgs() {
- // ([a]) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[a]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isFalse);
- // assignable iff subtype
- expect(t.isAssignableTo(s), isTrue);
- expect(s.isAssignableTo(t), isFalse);
- }
-
- void test_isSubtypeOf_baseCase_classFunction() {
- // () -> void <: Function
- ClassElementImpl functionElement = ElementFactory.classElement2("Function");
- InterfaceTypeImpl functionType =
- new _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction(
- functionElement);
- FunctionType f = ElementFactory.functionElement("f").type;
- expect(f.isSubtypeOf(functionType), isTrue);
- }
-
- void test_isSubtypeOf_baseCase_notFunctionType() {
- // class C
- // ! () -> void <: C
- FunctionType f = ElementFactory.functionElement("f").type;
- InterfaceType t = ElementFactory.classElement2("C").type;
- expect(f.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_baseCase_null() {
- // ! () -> void <: null
- FunctionType f = ElementFactory.functionElement("f").type;
- expect(f.isSubtypeOf(null), isFalse);
- }
-
- void test_isSubtypeOf_baseCase_self() {
- // () -> void <: () -> void
- FunctionType f = ElementFactory.functionElement("f").type;
- expect(f.isSubtypeOf(f), isTrue);
- }
-
- void test_isSubtypeOf_namedParameters_isAssignable() {
- // B extends A
- // ({name: A}) -> void <: ({name: B}) -> void
- // ({name: B}) -> void <: ({name: A}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["name"], <ClassElement>[a]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["name"], <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isTrue);
- }
-
- void test_isSubtypeOf_namedParameters_isNotAssignable() {
- // ! ({name: A}) -> void <: ({name: B}) -> void
- FunctionType t = ElementFactory.functionElement4(
- "t",
- null,
- null,
- <String>["name"],
- <ClassElement>[ElementFactory.classElement2("A")]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s",
- null,
- null,
- <String>["name"],
- <ClassElement>[ElementFactory.classElement2("B")]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_namedParameters_namesDifferent() {
- // B extends A
- // void t({A name}) {}
- // void s({A diff}) {}
- // ! t <: s
- // ! s <: t
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["name"], <ClassElement>[a]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["diff"], <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isFalse);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_namedParameters_orderOfParams() {
- // B extends A
- // ({A: A, B: B}) -> void <: ({B: B, A: A}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["A", "B"], <ClassElement>[a, b]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["B", "A"], <ClassElement>[b, a]).type;
- expect(t.isSubtypeOf(s), isTrue);
- }
-
- void test_isSubtypeOf_namedParameters_orderOfParams2() {
- // B extends A
- // ! ({B: B}) -> void <: ({B: B, A: A}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["B"], <ClassElement>[b]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["B", "A"], <ClassElement>[b, a]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_namedParameters_orderOfParams3() {
- // B extends A
- // ({A: A, B: B}) -> void <: ({A: A}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["A", "B"], <ClassElement>[a, b]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["B"], <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- }
-
- void test_isSubtypeOf_namedParameters_sHasMoreParams() {
- // B extends A
- // ! ({name: A}) -> void <: ({name: B, name2: B}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["name"], <ClassElement>[a]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["name", "name2"], <ClassElement>[b, b]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_namedParameters_tHasMoreParams() {
- // B extends A
- // ({name: A, name2: A}) -> void <: ({name: B}) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement4(
- "t", null, null, <String>["name", "name2"], <ClassElement>[a, a]).type;
- FunctionType s = ElementFactory.functionElement4(
- "s", null, null, <String>["name"], <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- }
-
- void test_isSubtypeOf_normalAndPositionalArgs_1() {
- // ([a]) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[a]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_normalAndPositionalArgs_2() {
- // (a, [a]) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t = ElementFactory
- .functionElement6("t", <ClassElement>[a], <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[a]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_normalAndPositionalArgs_3() {
- // ([a]) -> void <: () -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s = ElementFactory.functionElement("s").type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_normalAndPositionalArgs_4() {
- // (a, b, [c, d, e]) -> void <: (a, b, c, [d]) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement2("B");
- ClassElement c = ElementFactory.classElement2("C");
- ClassElement d = ElementFactory.classElement2("D");
- ClassElement e = ElementFactory.classElement2("E");
- FunctionType t = ElementFactory.functionElement6(
- "t", <ClassElement>[a, b], <ClassElement>[c, d, e]).type;
- FunctionType s = ElementFactory
- .functionElement6("s", <ClassElement>[a, b, c], <ClassElement>[d]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_normalParameters_isAssignable() {
- // B extends A
- // (a) -> void <: (b) -> void
- // (b) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement5("t", <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isTrue);
- }
-
- void test_isSubtypeOf_normalParameters_isNotAssignable() {
- // ! (a) -> void <: (b) -> void
- FunctionType t = ElementFactory.functionElement5(
- "t", <ClassElement>[ElementFactory.classElement2("A")]).type;
- FunctionType s = ElementFactory.functionElement5(
- "s", <ClassElement>[ElementFactory.classElement2("B")]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_normalParameters_sHasMoreParams() {
- // B extends A
- // ! (a) -> void <: (b, b) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement5("t", <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[b, b]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_normalParameters_tHasMoreParams() {
- // B extends A
- // ! (a, a) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement5("t", <ClassElement>[a, a]).type;
- FunctionType s =
- ElementFactory.functionElement5("s", <ClassElement>[b]).type;
- // note, this is a different assertion from the other "tHasMoreParams"
- // tests, this is intentional as it is a difference of the "normal
- // parameters"
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_Object() {
- // () -> void <: Object
- FunctionType f = ElementFactory.functionElement("f").type;
- InterfaceType t = ElementFactory.object.type;
- expect(f.isSubtypeOf(t), isTrue);
- }
-
- void test_isSubtypeOf_positionalParameters_isAssignable() {
- // B extends A
- // ([a]) -> void <: ([b]) -> void
- // ([b]) -> void <: ([a]) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement6("s", null, <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isTrue);
- }
-
- void test_isSubtypeOf_positionalParameters_isNotAssignable() {
- // ! ([a]) -> void <: ([b]) -> void
- FunctionType t = ElementFactory.functionElement6(
- "t", null, <ClassElement>[ElementFactory.classElement2("A")]).type;
- FunctionType s = ElementFactory.functionElement6(
- "s", null, <ClassElement>[ElementFactory.classElement2("B")]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_positionalParameters_sHasMoreParams() {
- // B extends A
- // ! ([a]) -> void <: ([b, b]) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s =
- ElementFactory.functionElement6("s", null, <ClassElement>[b, b]).type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_positionalParameters_tHasMoreParams() {
- // B extends A
- // ([a, a]) -> void <: ([b]) -> void
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a, a]).type;
- FunctionType s =
- ElementFactory.functionElement6("s", null, <ClassElement>[b]).type;
- expect(t.isSubtypeOf(s), isTrue);
- }
-
- void test_isSubtypeOf_returnType_sIsVoid() {
- // () -> void <: void
- FunctionType t = ElementFactory.functionElement("t").type;
- FunctionType s = ElementFactory.functionElement("s").type;
- // function s has the implicit return type of void, we assert it here
- expect(VoidTypeImpl.instance == s.returnType, isTrue);
- expect(t.isSubtypeOf(s), isTrue);
- }
-
- void test_isSubtypeOf_returnType_tAssignableToS() {
- // B extends A
- // () -> A <: () -> B
- // () -> B <: () -> A
- ClassElement a = ElementFactory.classElement2("A");
- ClassElement b = ElementFactory.classElement("B", a.type);
- FunctionType t = ElementFactory.functionElement2("t", a).type;
- FunctionType s = ElementFactory.functionElement2("s", b).type;
- expect(t.isSubtypeOf(s), isTrue);
- expect(s.isSubtypeOf(t), isTrue);
- }
-
- void test_isSubtypeOf_returnType_tNotAssignableToS() {
- // ! () -> A <: () -> B
- FunctionType t = ElementFactory
- .functionElement2("t", ElementFactory.classElement2("A"))
- .type;
- FunctionType s = ElementFactory
- .functionElement2("s", ElementFactory.classElement2("B"))
- .type;
- expect(t.isSubtypeOf(s), isFalse);
- }
-
- void test_isSubtypeOf_typeParameters_matchesBounds() {
- TestTypeProvider provider = new TestTypeProvider();
- InterfaceType boolType = provider.boolType;
- InterfaceType stringType = provider.stringType;
- TypeParameterElementImpl parameterB =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("B"));
- parameterB.bound = boolType;
- TypeParameterTypeImpl typeB = new TypeParameterTypeImpl(parameterB);
- TypeParameterElementImpl parameterS =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("S"));
- parameterS.bound = stringType;
- TypeParameterTypeImpl typeS = new TypeParameterTypeImpl(parameterS);
- FunctionElementImpl functionAliasElement =
- new FunctionElementImpl.forNode(AstFactory.identifier3("func"));
- functionAliasElement.parameters = <ParameterElement>[
- ElementFactory.requiredParameter2("a", typeB),
- ElementFactory.positionalParameter2("b", typeS)
- ];
- functionAliasElement.returnType = stringType;
- FunctionTypeImpl functionAliasType =
- new FunctionTypeImpl(functionAliasElement);
- functionAliasElement.type = functionAliasType;
- FunctionElementImpl functionElement =
- new FunctionElementImpl.forNode(AstFactory.identifier3("f"));
- functionElement.parameters = <ParameterElement>[
- ElementFactory.requiredParameter2("c", boolType),
- ElementFactory.positionalParameter2("d", stringType)
- ];
- functionElement.returnType = provider.dynamicType;
- FunctionTypeImpl functionType = new FunctionTypeImpl(functionElement);
- functionElement.type = functionType;
- expect(functionType.isAssignableTo(functionAliasType), isTrue);
- }
-
- void test_isSubtypeOf_wrongFunctionType_normal_named() {
- // ! (a) -> void <: ({name: A}) -> void
- // ! ({name: A}) -> void <: (a) -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t =
- ElementFactory.functionElement5("t", <ClassElement>[a]).type;
- FunctionType s = ElementFactory
- .functionElement7("s", null, <String>["name"], <ClassElement>[a]).type;
- expect(t.isSubtypeOf(s), isFalse);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_isSubtypeOf_wrongFunctionType_optional_named() {
- // ! ([a]) -> void <: ({name: A}) -> void
- // ! ({name: A}) -> void <: ([a]) -> void
- ClassElement a = ElementFactory.classElement2("A");
- FunctionType t =
- ElementFactory.functionElement6("t", null, <ClassElement>[a]).type;
- FunctionType s = ElementFactory
- .functionElement7("s", null, <String>["name"], <ClassElement>[a]).type;
- expect(t.isSubtypeOf(s), isFalse);
- expect(s.isSubtypeOf(t), isFalse);
- }
-
- void test_namedParameterTypes_pruned_no_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.parameters = [ElementFactory.namedParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.namedParameterTypes['x'];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_namedParameterTypes_pruned_with_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.typeParameters = [ElementFactory.typeParameterElement('T')];
- f.parameters = [ElementFactory.namedParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.namedParameterTypes['x'];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_newPrune_no_previous_prune() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeImpl type = f.type;
- List<FunctionTypeAliasElement> pruneList = type.newPrune;
- expect(pruneList, hasLength(1));
- expect(pruneList[0], same(f));
- }
-
- void test_newPrune_non_typedef() {
- // No pruning needs to be done for function types that aren't associated
- // with typedefs because those types can't be directly referred to by the
- // user (and hence can't participate in circularities).
- FunctionElementImpl f = ElementFactory.functionElement('f');
- FunctionTypeImpl type = f.type;
- expect(type.newPrune, isNull);
- }
-
- void test_newPrune_synthetic_typedef() {
- // No pruning needs to be done for function types that are associated with
- // synthetic typedefs because those types are only created for
- // function-typed formal parameters, which can't be directly referred to by
- // the user (and hence can't participate in circularities).
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- f.synthetic = true;
- FunctionTypeImpl type = f.type;
- expect(type.newPrune, isNull);
- }
-
- void test_newPrune_with_previous_prune() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- FunctionTypeImpl type = f.type;
- FunctionTypeImpl prunedType = type.pruned([g]);
- List<FunctionTypeAliasElement> pruneList = prunedType.newPrune;
- expect(pruneList, hasLength(2));
- expect(pruneList, contains(f));
- expect(pruneList, contains(g));
- }
-
- void test_normalParameterTypes_pruned_no_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.parameters = [ElementFactory.requiredParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.normalParameterTypes[0];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_normalParameterTypes_pruned_with_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.typeParameters = [ElementFactory.typeParameterElement('T')];
- f.parameters = [ElementFactory.requiredParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.normalParameterTypes[0];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_optionalParameterTypes_pruned_no_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.parameters = [ElementFactory.positionalParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.optionalParameterTypes[0];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_optionalParameterTypes_pruned_with_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.typeParameters = [ElementFactory.typeParameterElement('T')];
- f.parameters = [ElementFactory.positionalParameter2('x', g.type)];
- FunctionTypeImpl paramType = f.type.optionalParameterTypes[0];
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_returnType_pruned_no_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.returnType = g.type;
- FunctionTypeImpl paramType = f.type.returnType;
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_returnType_pruned_with_type_arguments() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- FunctionTypeAliasElementImpl g =
- ElementFactory.functionTypeAliasElement('g');
- f.typeParameters = [ElementFactory.typeParameterElement('T')];
- f.returnType = g.type;
- FunctionTypeImpl paramType = f.type.returnType;
- expect(paramType.prunedTypedefs, hasLength(1));
- expect(paramType.prunedTypedefs[0], same(f));
- }
-
- void test_substitute2_equal() {
- ClassElementImpl definingClass = ElementFactory.classElement2("C", ["E"]);
- TypeParameterType parameterType = definingClass.typeParameters[0].type;
- MethodElementImpl functionElement =
- new MethodElementImpl.forNode(AstFactory.identifier3("m"));
- String namedParameterName = "c";
- functionElement.parameters = <ParameterElement>[
- ElementFactory.requiredParameter2("a", parameterType),
- ElementFactory.positionalParameter2("b", parameterType),
- ElementFactory.namedParameter2(namedParameterName, parameterType)
- ];
- functionElement.returnType = parameterType;
- definingClass.methods = <MethodElement>[functionElement];
- FunctionTypeImpl functionType = new FunctionTypeImpl(functionElement);
- InterfaceTypeImpl argumentType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("D")));
- FunctionType result = functionType
- .substitute2(<DartType>[argumentType], <DartType>[parameterType]);
- expect(result.returnType, argumentType);
- List<DartType> normalParameters = result.normalParameterTypes;
- expect(normalParameters, hasLength(1));
- expect(normalParameters[0], argumentType);
- List<DartType> optionalParameters = result.optionalParameterTypes;
- expect(optionalParameters, hasLength(1));
- expect(optionalParameters[0], argumentType);
- Map<String, DartType> namedParameters = result.namedParameterTypes;
- expect(namedParameters, hasLength(1));
- expect(namedParameters[namedParameterName], argumentType);
- }
-
- void test_substitute2_notEqual() {
- DartType returnType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("R")));
- DartType normalParameterType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("A")));
- DartType optionalParameterType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("B")));
- DartType namedParameterType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("C")));
- FunctionElementImpl functionElement =
- new FunctionElementImpl.forNode(AstFactory.identifier3("f"));
- String namedParameterName = "c";
- functionElement.parameters = <ParameterElement>[
- ElementFactory.requiredParameter2("a", normalParameterType),
- ElementFactory.positionalParameter2("b", optionalParameterType),
- ElementFactory.namedParameter2(namedParameterName, namedParameterType)
- ];
- functionElement.returnType = returnType;
- FunctionTypeImpl functionType = new FunctionTypeImpl(functionElement);
- InterfaceTypeImpl argumentType = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("D")));
- TypeParameterTypeImpl parameterType = new TypeParameterTypeImpl(
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E")));
- FunctionType result = functionType
- .substitute2(<DartType>[argumentType], <DartType>[parameterType]);
- expect(result.returnType, returnType);
- List<DartType> normalParameters = result.normalParameterTypes;
- expect(normalParameters, hasLength(1));
- expect(normalParameters[0], normalParameterType);
- List<DartType> optionalParameters = result.optionalParameterTypes;
- expect(optionalParameters, hasLength(1));
- expect(optionalParameters[0], optionalParameterType);
- Map<String, DartType> namedParameters = result.namedParameterTypes;
- expect(namedParameters, hasLength(1));
- expect(namedParameters[namedParameterName], namedParameterType);
- }
-
- void test_toString_recursive() {
- FunctionTypeAliasElementImpl t =
- ElementFactory.functionTypeAliasElement("t");
- FunctionTypeAliasElementImpl s =
- ElementFactory.functionTypeAliasElement("s");
- t.returnType = s.type;
- s.returnType = t.type;
- expect(t.type.toString(), '() \u2192 () \u2192 ...');
- }
-
- void test_toString_recursive_via_interface_type() {
- FunctionTypeAliasElementImpl f =
- ElementFactory.functionTypeAliasElement('f');
- ClassElementImpl c = ElementFactory.classElement2('C', ['T']);
- f.returnType = c.type.substitute4([f.type]);
- expect(f.type.toString(), '() \u2192 C<...>');
- }
-
- void test_withTypeArguments() {
- ClassElementImpl enclosingClass = ElementFactory.classElement2("C", ["E"]);
- MethodElementImpl methodElement =
- new MethodElementImpl.forNode(AstFactory.identifier3("m"));
- enclosingClass.methods = <MethodElement>[methodElement];
- FunctionTypeImpl type = new FunctionTypeImpl(methodElement);
- DartType expectedType = enclosingClass.typeParameters[0].type;
- List<DartType> arguments = type.typeArguments;
- expect(arguments, hasLength(1));
- expect(arguments[0], expectedType);
- }
-}
-
-@reflectiveTest
-class InterfaceTypeImplTest extends EngineTestCase {
- /**
- * The type provider used to access the types.
- */
- TestTypeProvider _typeProvider;
-
- @override
- void setUp() {
- super.setUp();
- _typeProvider = new TestTypeProvider();
- }
-
- void test_computeLongestInheritancePathToObject_multipleInterfacePaths() {
- //
- // Object
- // |
- // A
- // / \
- // B C
- // | |
- // | D
- // \ /
- // E
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- ClassElementImpl classC = ElementFactory.classElement2("C");
- ClassElementImpl classD = ElementFactory.classElement2("D");
- ClassElementImpl classE = ElementFactory.classElement2("E");
- classB.interfaces = <InterfaceType>[classA.type];
- classC.interfaces = <InterfaceType>[classA.type];
- classD.interfaces = <InterfaceType>[classC.type];
- classE.interfaces = <InterfaceType>[classB.type, classD.type];
- // assertion: even though the longest path to Object for typeB is 2, and
- // typeE implements typeB, the longest path for typeE is 4 since it also
- // implements typeD
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classB.type),
- 2);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classE.type),
- 4);
- }
-
- void test_computeLongestInheritancePathToObject_multipleSuperclassPaths() {
- //
- // Object
- // |
- // A
- // / \
- // B C
- // | |
- // | D
- // \ /
- // E
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classA.type);
- ClassElement classD = ElementFactory.classElement("D", classC.type);
- ClassElementImpl classE = ElementFactory.classElement("E", classB.type);
- classE.interfaces = <InterfaceType>[classD.type];
- // assertion: even though the longest path to Object for typeB is 2, and
- // typeE extends typeB, the longest path for typeE is 4 since it also
- // implements typeD
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classB.type),
- 2);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classE.type),
- 4);
- }
-
- void test_computeLongestInheritancePathToObject_object() {
- //
- // Object
- // |
- // A
- //
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType object = classA.supertype;
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(object), 0);
- }
-
- void test_computeLongestInheritancePathToObject_recursion() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classA.type),
- 2);
- }
-
- void test_computeLongestInheritancePathToObject_singleInterfacePath() {
- //
- // Object
- // |
- // A
- // |
- // B
- // |
- // C
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classB.interfaces = <InterfaceType>[classA.type];
- classC.interfaces = <InterfaceType>[classB.type];
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classA.type),
- 1);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classB.type),
- 2);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classC.type),
- 3);
- }
-
- void test_computeLongestInheritancePathToObject_singleSuperclassPath() {
- //
- // Object
- // |
- // A
- // |
- // B
- // |
- // C
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classA.type),
- 1);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classB.type),
- 2);
- expect(InterfaceTypeImpl.computeLongestInheritancePathToObject(classC.type),
- 3);
- }
-
- void test_computeSuperinterfaceSet_genericInterfacePath() {
- //
- // A
- // | implements
- // B<T>
- // | implements
- // C<T>
- //
- // D
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B", ["T"]);
- ClassElementImpl classC = ElementFactory.classElement2("C", ["T"]);
- ClassElement classD = ElementFactory.classElement2("D");
- InterfaceType typeA = classA.type;
- classB.interfaces = <InterfaceType>[typeA];
- InterfaceTypeImpl typeBT = new InterfaceTypeImpl(classB);
- DartType typeT = classC.type.typeArguments[0];
- typeBT.typeArguments = <DartType>[typeT];
- classC.interfaces = <InterfaceType>[typeBT];
- // A
- Set<InterfaceType> superinterfacesOfA =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeA);
- expect(superinterfacesOfA, hasLength(1));
- InterfaceType typeObject = ElementFactory.object.type;
- expect(superinterfacesOfA.contains(typeObject), isTrue);
- // B<D>
- InterfaceTypeImpl typeBD = new InterfaceTypeImpl(classB);
- typeBD.typeArguments = <DartType>[classD.type];
- Set<InterfaceType> superinterfacesOfBD =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeBD);
- expect(superinterfacesOfBD, hasLength(2));
- expect(superinterfacesOfBD.contains(typeObject), isTrue);
- expect(superinterfacesOfBD.contains(typeA), isTrue);
- // C<D>
- InterfaceTypeImpl typeCD = new InterfaceTypeImpl(classC);
- typeCD.typeArguments = <DartType>[classD.type];
- Set<InterfaceType> superinterfacesOfCD =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeCD);
- expect(superinterfacesOfCD, hasLength(3));
- expect(superinterfacesOfCD.contains(typeObject), isTrue);
- expect(superinterfacesOfCD.contains(typeA), isTrue);
- expect(superinterfacesOfCD.contains(typeBD), isTrue);
- }
-
- void test_computeSuperinterfaceSet_genericSuperclassPath() {
- //
- // A
- // |
- // B<T>
- // |
- // C<T>
- //
- // D
- //
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElement classB = ElementFactory.classElement("B", typeA, ["T"]);
- ClassElementImpl classC = ElementFactory.classElement2("C", ["T"]);
- InterfaceTypeImpl typeBT = new InterfaceTypeImpl(classB);
- DartType typeT = classC.type.typeArguments[0];
- typeBT.typeArguments = <DartType>[typeT];
- classC.supertype = typeBT;
- ClassElement classD = ElementFactory.classElement2("D");
- // A
- Set<InterfaceType> superinterfacesOfA =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeA);
- expect(superinterfacesOfA, hasLength(1));
- InterfaceType typeObject = ElementFactory.object.type;
- expect(superinterfacesOfA.contains(typeObject), isTrue);
- // B<D>
- InterfaceTypeImpl typeBD = new InterfaceTypeImpl(classB);
- typeBD.typeArguments = <DartType>[classD.type];
- Set<InterfaceType> superinterfacesOfBD =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeBD);
- expect(superinterfacesOfBD, hasLength(2));
- expect(superinterfacesOfBD.contains(typeObject), isTrue);
- expect(superinterfacesOfBD.contains(typeA), isTrue);
- // C<D>
- InterfaceTypeImpl typeCD = new InterfaceTypeImpl(classC);
- typeCD.typeArguments = <DartType>[classD.type];
- Set<InterfaceType> superinterfacesOfCD =
- InterfaceTypeImpl.computeSuperinterfaceSet(typeCD);
- expect(superinterfacesOfCD, hasLength(3));
- expect(superinterfacesOfCD.contains(typeObject), isTrue);
- expect(superinterfacesOfCD.contains(typeA), isTrue);
- expect(superinterfacesOfCD.contains(typeBD), isTrue);
- }
-
- void test_computeSuperinterfaceSet_multipleInterfacePaths() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- ClassElementImpl classC = ElementFactory.classElement2("C");
- ClassElementImpl classD = ElementFactory.classElement2("D");
- ClassElementImpl classE = ElementFactory.classElement2("E");
- classB.interfaces = <InterfaceType>[classA.type];
- classC.interfaces = <InterfaceType>[classA.type];
- classD.interfaces = <InterfaceType>[classC.type];
- classE.interfaces = <InterfaceType>[classB.type, classD.type];
- // D
- Set<InterfaceType> superinterfacesOfD =
- InterfaceTypeImpl.computeSuperinterfaceSet(classD.type);
- expect(superinterfacesOfD, hasLength(3));
- expect(superinterfacesOfD.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfD.contains(classA.type), isTrue);
- expect(superinterfacesOfD.contains(classC.type), isTrue);
- // E
- Set<InterfaceType> superinterfacesOfE =
- InterfaceTypeImpl.computeSuperinterfaceSet(classE.type);
- expect(superinterfacesOfE, hasLength(5));
- expect(superinterfacesOfE.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfE.contains(classA.type), isTrue);
- expect(superinterfacesOfE.contains(classB.type), isTrue);
- expect(superinterfacesOfE.contains(classC.type), isTrue);
- expect(superinterfacesOfE.contains(classD.type), isTrue);
- }
-
- void test_computeSuperinterfaceSet_multipleSuperclassPaths() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classA.type);
- ClassElement classD = ElementFactory.classElement("D", classC.type);
- ClassElementImpl classE = ElementFactory.classElement("E", classB.type);
- classE.interfaces = <InterfaceType>[classD.type];
- // D
- Set<InterfaceType> superinterfacesOfD =
- InterfaceTypeImpl.computeSuperinterfaceSet(classD.type);
- expect(superinterfacesOfD, hasLength(3));
- expect(superinterfacesOfD.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfD.contains(classA.type), isTrue);
- expect(superinterfacesOfD.contains(classC.type), isTrue);
- // E
- Set<InterfaceType> superinterfacesOfE =
- InterfaceTypeImpl.computeSuperinterfaceSet(classE.type);
- expect(superinterfacesOfE, hasLength(5));
- expect(superinterfacesOfE.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfE.contains(classA.type), isTrue);
- expect(superinterfacesOfE.contains(classB.type), isTrue);
- expect(superinterfacesOfE.contains(classC.type), isTrue);
- expect(superinterfacesOfE.contains(classD.type), isTrue);
- }
-
- void test_computeSuperinterfaceSet_recursion() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- classA.supertype = classB.type;
- Set<InterfaceType> superinterfacesOfB =
- InterfaceTypeImpl.computeSuperinterfaceSet(classB.type);
- expect(superinterfacesOfB, hasLength(2));
- }
-
- void test_computeSuperinterfaceSet_singleInterfacePath() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classB.interfaces = <InterfaceType>[classA.type];
- classC.interfaces = <InterfaceType>[classB.type];
- // A
- Set<InterfaceType> superinterfacesOfA =
- InterfaceTypeImpl.computeSuperinterfaceSet(classA.type);
- expect(superinterfacesOfA, hasLength(1));
- expect(superinterfacesOfA.contains(ElementFactory.object.type), isTrue);
- // B
- Set<InterfaceType> superinterfacesOfB =
- InterfaceTypeImpl.computeSuperinterfaceSet(classB.type);
- expect(superinterfacesOfB, hasLength(2));
- expect(superinterfacesOfB.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfB.contains(classA.type), isTrue);
- // C
- Set<InterfaceType> superinterfacesOfC =
- InterfaceTypeImpl.computeSuperinterfaceSet(classC.type);
- expect(superinterfacesOfC, hasLength(3));
- expect(superinterfacesOfC.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfC.contains(classA.type), isTrue);
- expect(superinterfacesOfC.contains(classB.type), isTrue);
- }
-
- void test_computeSuperinterfaceSet_singleSuperclassPath() {
- //
- // A
- // |
- // B
- // |
- // C
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- // A
- Set<InterfaceType> superinterfacesOfA =
- InterfaceTypeImpl.computeSuperinterfaceSet(classA.type);
- expect(superinterfacesOfA, hasLength(1));
- expect(superinterfacesOfA.contains(ElementFactory.object.type), isTrue);
- // B
- Set<InterfaceType> superinterfacesOfB =
- InterfaceTypeImpl.computeSuperinterfaceSet(classB.type);
- expect(superinterfacesOfB, hasLength(2));
- expect(superinterfacesOfB.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfB.contains(classA.type), isTrue);
- // C
- Set<InterfaceType> superinterfacesOfC =
- InterfaceTypeImpl.computeSuperinterfaceSet(classC.type);
- expect(superinterfacesOfC, hasLength(3));
- expect(superinterfacesOfC.contains(ElementFactory.object.type), isTrue);
- expect(superinterfacesOfC.contains(classA.type), isTrue);
- expect(superinterfacesOfC.contains(classB.type), isTrue);
- }
-
- void test_creation() {
- expect(new InterfaceTypeImpl(ElementFactory.classElement2("A")), isNotNull);
- }
-
- void test_getAccessors() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- PropertyAccessorElement getterG =
- ElementFactory.getterElement("g", false, null);
- PropertyAccessorElement getterH =
- ElementFactory.getterElement("h", false, null);
- typeElement.accessors = <PropertyAccessorElement>[getterG, getterH];
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.accessors.length, 2);
- }
-
- void test_getAccessors_empty() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.accessors.length, 0);
- }
-
- void test_getConstructors() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- ConstructorElementImpl constructorOne =
- ElementFactory.constructorElement(typeElement, 'one', false);
- ConstructorElementImpl constructorTwo =
- ElementFactory.constructorElement(typeElement, 'two', false);
- typeElement.constructors = <ConstructorElement>[
- constructorOne,
- constructorTwo
- ];
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.constructors, hasLength(2));
- }
-
- void test_getConstructors_empty() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- typeElement.constructors = ConstructorElement.EMPTY_LIST;
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.constructors, isEmpty);
- }
-
- void test_getElement() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.element, typeElement);
- }
-
- void test_getGetter_implemented() {
- //
- // class A { g {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getterG =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getterG];
- InterfaceType typeA = classA.type;
- expect(typeA.getGetter(getterName), same(getterG));
- }
-
- void test_getGetter_parameterized() {
- //
- // class A<E> { E get g {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- DartType typeE = classA.type.typeArguments[0];
- String getterName = "g";
- PropertyAccessorElementImpl getterG =
- ElementFactory.getterElement(getterName, false, typeE);
- classA.accessors = <PropertyAccessorElement>[getterG];
- getterG.type = new FunctionTypeImpl(getterG);
- //
- // A<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeAI = new InterfaceTypeImpl(classA);
- typeAI.typeArguments = <DartType>[typeI];
- PropertyAccessorElement getter = typeAI.getGetter(getterName);
- expect(getter, isNotNull);
- FunctionType getterType = getter.type;
- expect(getterType.returnType, same(typeI));
- }
-
- void test_getGetter_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(typeA.getGetter("g"), isNull);
- }
-
- void test_getInterfaces_nonParameterized() {
- //
- // class C implements A, B
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement2("B");
- InterfaceType typeB = classB.type;
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classC.interfaces = <InterfaceType>[typeA, typeB];
- List<InterfaceType> interfaces = classC.type.interfaces;
- expect(interfaces, hasLength(2));
- if (identical(interfaces[0], typeA)) {
- expect(interfaces[1], same(typeB));
- } else {
- expect(interfaces[0], same(typeB));
- expect(interfaces[1], same(typeA));
- }
- }
-
- void test_getInterfaces_parameterized() {
- //
- // class A<E>
- // class B<F> implements A<F>
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- ClassElementImpl classB = ElementFactory.classElement2("B", ["F"]);
- InterfaceType typeB = classB.type;
- InterfaceTypeImpl typeAF = new InterfaceTypeImpl(classA);
- typeAF.typeArguments = <DartType>[typeB.typeArguments[0]];
- classB.interfaces = <InterfaceType>[typeAF];
- //
- // B<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeBI = new InterfaceTypeImpl(classB);
- typeBI.typeArguments = <DartType>[typeI];
- List<InterfaceType> interfaces = typeBI.interfaces;
- expect(interfaces, hasLength(1));
- InterfaceType result = interfaces[0];
- expect(result.element, same(classA));
- expect(result.typeArguments[0], same(typeI));
- }
-
- void test_getMethod_implemented() {
- //
- // class A { m() {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElementImpl methodM = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[methodM];
- InterfaceType typeA = classA.type;
- expect(typeA.getMethod(methodName), same(methodM));
- }
-
- void test_getMethod_parameterized() {
- //
- // class A<E> { E m(E p) {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- DartType typeE = classA.type.typeArguments[0];
- String methodName = "m";
- MethodElementImpl methodM =
- ElementFactory.methodElement(methodName, typeE, [typeE]);
- classA.methods = <MethodElement>[methodM];
- methodM.type = new FunctionTypeImpl(methodM);
- //
- // A<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeAI = new InterfaceTypeImpl(classA);
- typeAI.typeArguments = <DartType>[typeI];
- MethodElement method = typeAI.getMethod(methodName);
- expect(method, isNotNull);
- FunctionType methodType = method.type;
- expect(methodType.returnType, same(typeI));
- List<DartType> parameterTypes = methodType.normalParameterTypes;
- expect(parameterTypes, hasLength(1));
- expect(parameterTypes[0], same(typeI));
- }
-
- void test_getMethod_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(typeA.getMethod("m"), isNull);
- }
-
- void test_getMethods() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- MethodElementImpl methodOne = ElementFactory.methodElement("one", null);
- MethodElementImpl methodTwo = ElementFactory.methodElement("two", null);
- typeElement.methods = <MethodElement>[methodOne, methodTwo];
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.methods.length, 2);
- }
-
- void test_getMethods_empty() {
- ClassElementImpl typeElement = ElementFactory.classElement2("A");
- InterfaceTypeImpl type = new InterfaceTypeImpl(typeElement);
- expect(type.methods.length, 0);
- }
-
- void test_getMixins_nonParameterized() {
- //
- // class C extends Object with A, B
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement2("B");
- InterfaceType typeB = classB.type;
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classC.mixins = <InterfaceType>[typeA, typeB];
- List<InterfaceType> interfaces = classC.type.mixins;
- expect(interfaces, hasLength(2));
- if (identical(interfaces[0], typeA)) {
- expect(interfaces[1], same(typeB));
- } else {
- expect(interfaces[0], same(typeB));
- expect(interfaces[1], same(typeA));
- }
- }
-
- void test_getMixins_parameterized() {
- //
- // class A<E>
- // class B<F> extends Object with A<F>
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- ClassElementImpl classB = ElementFactory.classElement2("B", ["F"]);
- InterfaceType typeB = classB.type;
- InterfaceTypeImpl typeAF = new InterfaceTypeImpl(classA);
- typeAF.typeArguments = <DartType>[typeB.typeArguments[0]];
- classB.mixins = <InterfaceType>[typeAF];
- //
- // B<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeBI = new InterfaceTypeImpl(classB);
- typeBI.typeArguments = <DartType>[typeI];
- List<InterfaceType> interfaces = typeBI.mixins;
- expect(interfaces, hasLength(1));
- InterfaceType result = interfaces[0];
- expect(result.element, same(classA));
- expect(result.typeArguments[0], same(typeI));
- }
-
- void test_getSetter_implemented() {
- //
- // class A { s() {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setterS =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setterS];
- InterfaceType typeA = classA.type;
- expect(typeA.getSetter(setterName), same(setterS));
- }
-
- void test_getSetter_parameterized() {
- //
- // class A<E> { set s(E p) {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- DartType typeE = classA.type.typeArguments[0];
- String setterName = "s";
- PropertyAccessorElementImpl setterS =
- ElementFactory.setterElement(setterName, false, typeE);
- classA.accessors = <PropertyAccessorElement>[setterS];
- setterS.type = new FunctionTypeImpl(setterS);
- //
- // A<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeAI = new InterfaceTypeImpl(classA);
- typeAI.typeArguments = <DartType>[typeI];
- PropertyAccessorElement setter = typeAI.getSetter(setterName);
- expect(setter, isNotNull);
- FunctionType setterType = setter.type;
- List<DartType> parameterTypes = setterType.normalParameterTypes;
- expect(parameterTypes, hasLength(1));
- expect(parameterTypes[0], same(typeI));
- }
-
- void test_getSetter_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(typeA.getSetter("s"), isNull);
- }
-
- void test_getSuperclass_nonParameterized() {
- //
- // class B extends A
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement("B", typeA);
- InterfaceType typeB = classB.type;
- expect(typeB.superclass, same(typeA));
- }
-
- void test_getSuperclass_parameterized() {
- //
- // class A<E>
- // class B<F> extends A<F>
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- ClassElementImpl classB = ElementFactory.classElement2("B", ["F"]);
- InterfaceType typeB = classB.type;
- InterfaceTypeImpl typeAF = new InterfaceTypeImpl(classA);
- typeAF.typeArguments = <DartType>[typeB.typeArguments[0]];
- classB.supertype = typeAF;
- //
- // B<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeBI = new InterfaceTypeImpl(classB);
- typeBI.typeArguments = <DartType>[typeI];
- InterfaceType superclass = typeBI.superclass;
- expect(superclass.element, same(classA));
- expect(superclass.typeArguments[0], same(typeI));
- }
-
- void test_getTypeArguments_empty() {
- InterfaceType type = ElementFactory.classElement2("A").type;
- expect(type.typeArguments, hasLength(0));
- }
-
- void test_hashCode() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(0 == typeA.hashCode, isFalse);
- }
-
- void test_isAssignableTo_typeVariables() {
- //
- // class A<E> {}
- // class B<F, G> {
- // A<F> af;
- // f (A<G> ag) {
- // af = ag;
- // }
- // }
- //
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- ClassElement classB = ElementFactory.classElement2("B", ["F", "G"]);
- InterfaceTypeImpl typeAF = new InterfaceTypeImpl(classA);
- typeAF.typeArguments = <DartType>[classB.typeParameters[0].type];
- InterfaceTypeImpl typeAG = new InterfaceTypeImpl(classA);
- typeAG.typeArguments = <DartType>[classB.typeParameters[1].type];
- expect(typeAG.isAssignableTo(typeAF), isFalse);
- }
-
- void test_isAssignableTo_void() {
- InterfaceTypeImpl intType = _typeProvider.intType;
- expect(VoidTypeImpl.instance.isAssignableTo(intType), isFalse);
- }
-
- void test_isDirectSupertypeOf_extends() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- expect(typeA.isDirectSupertypeOf(typeB), isTrue);
- }
-
- void test_isDirectSupertypeOf_false() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement2("B");
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeA.isDirectSupertypeOf(typeC), isFalse);
- }
-
- void test_isDirectSupertypeOf_implements() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- classB.interfaces = <InterfaceType>[typeA];
- expect(typeA.isDirectSupertypeOf(typeB), isTrue);
- }
-
- void test_isDirectSupertypeOf_with() {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement2("B");
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- classB.mixins = <InterfaceType>[typeA];
- expect(typeA.isDirectSupertypeOf(typeB), isTrue);
- }
-
- void test_isMoreSpecificThan_bottom() {
- DartType type = ElementFactory.classElement2("A").type;
- expect(BottomTypeImpl.instance.isMoreSpecificThan(type), isTrue);
- }
-
- void test_isMoreSpecificThan_covariance() {
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- ClassElement classI = ElementFactory.classElement2("I");
- ClassElement classJ = ElementFactory.classElement("J", classI.type);
- InterfaceTypeImpl typeAI = new InterfaceTypeImpl(classA);
- InterfaceTypeImpl typeAJ = new InterfaceTypeImpl(classA);
- typeAI.typeArguments = <DartType>[classI.type];
- typeAJ.typeArguments = <DartType>[classJ.type];
- expect(typeAJ.isMoreSpecificThan(typeAI), isTrue);
- expect(typeAI.isMoreSpecificThan(typeAJ), isFalse);
- }
-
- void test_isMoreSpecificThan_directSupertype() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- expect(typeB.isMoreSpecificThan(typeA), isTrue);
- // the opposite test tests a different branch in isMoreSpecificThan()
- expect(typeA.isMoreSpecificThan(typeB), isFalse);
- }
-
- void test_isMoreSpecificThan_dynamic() {
- InterfaceType type = ElementFactory.classElement2("A").type;
- expect(type.isMoreSpecificThan(DynamicTypeImpl.instance), isTrue);
- }
-
- void test_isMoreSpecificThan_generic() {
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- ClassElement classB = ElementFactory.classElement2("B");
- DartType dynamicType = DynamicTypeImpl.instance;
- InterfaceType typeAOfDynamic =
- classA.type.substitute4(<DartType>[dynamicType]);
- InterfaceType typeAOfB = classA.type.substitute4(<DartType>[classB.type]);
- expect(typeAOfDynamic.isMoreSpecificThan(typeAOfB), isFalse);
- expect(typeAOfB.isMoreSpecificThan(typeAOfDynamic), isTrue);
- }
-
- void test_isMoreSpecificThan_self() {
- InterfaceType type = ElementFactory.classElement2("A").type;
- expect(type.isMoreSpecificThan(type), isTrue);
- }
-
- void test_isMoreSpecificThan_transitive_interface() {
- //
- // class A {}
- // class B extends A {}
- // class C implements B {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classC.interfaces = <InterfaceType>[classB.type];
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeC.isMoreSpecificThan(typeA), isTrue);
- }
-
- void test_isMoreSpecificThan_transitive_mixin() {
- //
- // class A {}
- // class B extends A {}
- // class C with B {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- classC.mixins = <InterfaceType>[classB.type];
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeC.isMoreSpecificThan(typeA), isTrue);
- }
-
- void test_isMoreSpecificThan_transitive_recursive() {
- //
- // class A extends B {}
- // class B extends A {}
- // class C {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- classA.supertype = classB.type;
- expect(typeA.isMoreSpecificThan(typeC), isFalse);
- }
-
- void test_isMoreSpecificThan_transitive_superclass() {
- //
- // class A {}
- // class B extends A {}
- // class C extends B {}
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeC.isMoreSpecificThan(typeA), isTrue);
- }
-
- void test_isMoreSpecificThan_typeParameterType() {
- //
- // class A<E> {}
- //
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- InterfaceType typeA = classA.type;
- TypeParameterType parameterType = classA.typeParameters[0].type;
- DartType objectType = _typeProvider.objectType;
- expect(parameterType.isMoreSpecificThan(objectType), isTrue);
- expect(parameterType.isMoreSpecificThan(typeA), isFalse);
- }
-
- void test_isMoreSpecificThan_typeParameterType_withBound() {
- //
- // class A {}
- // class B<E extends A> {}
- //
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement2("B");
- TypeParameterElementImpl parameterEA =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterType parameterAEType = new TypeParameterTypeImpl(parameterEA);
- parameterEA.bound = typeA;
- parameterEA.type = parameterAEType;
- classB.typeParameters = <TypeParameterElementImpl>[parameterEA];
- expect(parameterAEType.isMoreSpecificThan(typeA), isTrue);
- }
-
- void test_isSubtypeOf_directSubtype() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- expect(typeB.isSubtypeOf(typeA), isTrue);
- expect(typeA.isSubtypeOf(typeB), isFalse);
- }
-
- void test_isSubtypeOf_dynamic() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- DartType dynamicType = DynamicTypeImpl.instance;
- expect(dynamicType.isSubtypeOf(typeA), isTrue);
- expect(typeA.isSubtypeOf(dynamicType), isTrue);
- }
-
- void test_isSubtypeOf_function() {
- //
- // void f(String s) {}
- // class A {
- // void call(String s) {}
- // }
- //
- InterfaceType stringType = _typeProvider.stringType;
- ClassElementImpl classA = ElementFactory.classElement2("A");
- classA.methods = <MethodElement>[
- ElementFactory.methodElement("call", VoidTypeImpl.instance, [stringType])
- ];
- FunctionType functionType = ElementFactory
- .functionElement5("f", <ClassElement>[stringType.element]).type;
- expect(classA.type.isSubtypeOf(functionType), isTrue);
- }
-
- void test_isSubtypeOf_generic() {
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- ClassElement classB = ElementFactory.classElement2("B");
- DartType dynamicType = DynamicTypeImpl.instance;
- InterfaceType typeAOfDynamic =
- classA.type.substitute4(<DartType>[dynamicType]);
- InterfaceType typeAOfB = classA.type.substitute4(<DartType>[classB.type]);
- expect(typeAOfDynamic.isSubtypeOf(typeAOfB), isTrue);
- expect(typeAOfB.isSubtypeOf(typeAOfDynamic), isTrue);
- }
-
- void test_isSubtypeOf_interface() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = classC.type;
- classC.interfaces = <InterfaceType>[typeB];
- expect(typeC.isSubtypeOf(typeB), isTrue);
- expect(typeC.isSubtypeOf(typeObject), isTrue);
- expect(typeC.isSubtypeOf(typeA), isTrue);
- expect(typeA.isSubtypeOf(typeC), isFalse);
- }
-
- void test_isSubtypeOf_mixins() {
- //
- // class A {}
- // class B extends A {}
- // class C with B {}
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = classC.type;
- classC.mixins = <InterfaceType>[typeB];
- expect(typeC.isSubtypeOf(typeB), isTrue);
- expect(typeC.isSubtypeOf(typeObject), isTrue);
- expect(typeC.isSubtypeOf(typeA), isTrue);
- expect(typeA.isSubtypeOf(typeC), isFalse);
- }
-
- void test_isSubtypeOf_object() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- InterfaceType typeObject = classA.supertype;
- expect(typeA.isSubtypeOf(typeObject), isTrue);
- expect(typeObject.isSubtypeOf(typeA), isFalse);
- }
-
- void test_isSubtypeOf_self() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(typeA.isSubtypeOf(typeA), isTrue);
- }
-
- void test_isSubtypeOf_transitive_recursive() {
- //
- // class A extends B {}
- // class B extends A {}
- // class C {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- classA.supertype = classB.type;
- expect(typeA.isSubtypeOf(typeC), isFalse);
- }
-
- void test_isSubtypeOf_transitive_superclass() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeC.isSubtypeOf(typeA), isTrue);
- expect(typeA.isSubtypeOf(typeC), isFalse);
- }
-
- void test_isSubtypeOf_typeArguments() {
- DartType dynamicType = DynamicTypeImpl.instance;
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- ClassElement classI = ElementFactory.classElement2("I");
- ClassElement classJ = ElementFactory.classElement("J", classI.type);
- ClassElement classK = ElementFactory.classElement2("K");
- InterfaceType typeA = classA.type;
- InterfaceType typeA_dynamic = typeA.substitute4(<DartType>[dynamicType]);
- InterfaceTypeImpl typeAI = new InterfaceTypeImpl(classA);
- InterfaceTypeImpl typeAJ = new InterfaceTypeImpl(classA);
- InterfaceTypeImpl typeAK = new InterfaceTypeImpl(classA);
- typeAI.typeArguments = <DartType>[classI.type];
- typeAJ.typeArguments = <DartType>[classJ.type];
- typeAK.typeArguments = <DartType>[classK.type];
- // A<J> <: A<I> since J <: I
- expect(typeAJ.isSubtypeOf(typeAI), isTrue);
- expect(typeAI.isSubtypeOf(typeAJ), isFalse);
- // A<I> <: A<I> since I <: I
- expect(typeAI.isSubtypeOf(typeAI), isTrue);
- // A <: A<I> and A <: A<J>
- expect(typeA_dynamic.isSubtypeOf(typeAI), isTrue);
- expect(typeA_dynamic.isSubtypeOf(typeAJ), isTrue);
- // A<I> <: A and A<J> <: A
- expect(typeAI.isSubtypeOf(typeA_dynamic), isTrue);
- expect(typeAJ.isSubtypeOf(typeA_dynamic), isTrue);
- // A<I> !<: A<K> and A<K> !<: A<I>
- expect(typeAI.isSubtypeOf(typeAK), isFalse);
- expect(typeAK.isSubtypeOf(typeAI), isFalse);
- }
-
- void test_isSubtypeOf_typeParameter() {
- //
- // class A<E> {}
- //
- ClassElement classA = ElementFactory.classElement2("A", ["E"]);
- InterfaceType typeA = classA.type;
- TypeParameterType parameterType = classA.typeParameters[0].type;
- expect(typeA.isSubtypeOf(parameterType), isFalse);
- }
-
- void test_isSupertypeOf_directSupertype() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- expect(typeB.isSupertypeOf(typeA), isFalse);
- expect(typeA.isSupertypeOf(typeB), isTrue);
- }
-
- void test_isSupertypeOf_dynamic() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- DartType dynamicType = DynamicTypeImpl.instance;
- expect(dynamicType.isSupertypeOf(typeA), isTrue);
- expect(typeA.isSupertypeOf(dynamicType), isTrue);
- }
-
- void test_isSupertypeOf_indirectSupertype() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElement classC = ElementFactory.classElement("C", classB.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeC = classC.type;
- expect(typeC.isSupertypeOf(typeA), isFalse);
- expect(typeA.isSupertypeOf(typeC), isTrue);
- }
-
- void test_isSupertypeOf_interface() {
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = classC.type;
- classC.interfaces = <InterfaceType>[typeB];
- expect(typeB.isSupertypeOf(typeC), isTrue);
- expect(typeObject.isSupertypeOf(typeC), isTrue);
- expect(typeA.isSupertypeOf(typeC), isTrue);
- expect(typeC.isSupertypeOf(typeA), isFalse);
- }
-
- void test_isSupertypeOf_mixins() {
- //
- // class A {}
- // class B extends A {}
- // class C with B {}
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- ClassElementImpl classC = ElementFactory.classElement2("C");
- InterfaceType typeObject = classA.supertype;
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- InterfaceType typeC = classC.type;
- classC.mixins = <InterfaceType>[typeB];
- expect(typeB.isSupertypeOf(typeC), isTrue);
- expect(typeObject.isSupertypeOf(typeC), isTrue);
- expect(typeA.isSupertypeOf(typeC), isTrue);
- expect(typeC.isSupertypeOf(typeA), isFalse);
- }
-
- void test_isSupertypeOf_object() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- InterfaceType typeObject = classA.supertype;
- expect(typeA.isSupertypeOf(typeObject), isFalse);
- expect(typeObject.isSupertypeOf(typeA), isTrue);
- }
-
- void test_isSupertypeOf_self() {
- ClassElement classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- expect(typeA.isSupertypeOf(typeA), isTrue);
- }
-
- void test_lookUpGetter_implemented() {
- //
- // class A { g {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getterG =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getterG];
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpGetter(getterName, library), same(getterG));
- }
-
- void test_lookUpGetter_inherited() {
- //
- // class A { g {} }
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String getterName = "g";
- PropertyAccessorElement getterG =
- ElementFactory.getterElement(getterName, false, null);
- classA.accessors = <PropertyAccessorElement>[getterG];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeB = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeB.lookUpGetter(getterName, library), same(getterG));
- }
-
- void test_lookUpGetter_mixin_shadowing() {
- //
- // class B {}
- // class M1 { get g {} }
- // class M2 { get g {} }
- // class C extends B with M1, M2 {}
- //
- TestTypeProvider typeProvider = new TestTypeProvider();
- String getterName = 'g';
- ClassElementImpl classB = ElementFactory.classElement2('B');
- ClassElementImpl classM1 = ElementFactory.classElement2('M1');
- PropertyAccessorElementImpl getterM1g = ElementFactory.getterElement(
- getterName, false, typeProvider.dynamicType);
- classM1.accessors = <PropertyAccessorElement>[getterM1g];
- ClassElementImpl classM2 = ElementFactory.classElement2('M2');
- PropertyAccessorElementImpl getterM2g = ElementFactory.getterElement(
- getterName, false, typeProvider.dynamicType);
- classM2.accessors = <PropertyAccessorElement>[getterM2g];
- ClassElementImpl classC = ElementFactory.classElement('C', classB.type);
- classC.mixins = <InterfaceType>[classM1.type, classM2.type];
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElementImpl unit = library.definingCompilationUnit;
- unit.types = <ClassElement>[classB, classM1, classM2, classC];
- expect(classC.type.lookUpGetter(getterName, library), getterM2g);
- }
-
- void test_lookUpGetter_recursive() {
- //
- // class A extends B {}
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement("B", typeA);
- classA.supertype = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeA.lookUpGetter("g", library), isNull);
- }
-
- void test_lookUpGetter_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpGetter("g", library), isNull);
- }
-
- void test_lookUpMethod_implemented() {
- //
- // class A { m() {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElementImpl methodM = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[methodM];
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpMethod(methodName, library), same(methodM));
- }
-
- void test_lookUpMethod_inherited() {
- //
- // class A { m() {} }
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String methodName = "m";
- MethodElementImpl methodM = ElementFactory.methodElement(methodName, null);
- classA.methods = <MethodElement>[methodM];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeB = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeB.lookUpMethod(methodName, library), same(methodM));
- }
-
- void test_lookUpMethod_mixin_shadowing() {
- //
- // class B {}
- // class M1 { m() {} }
- // class M2 { m() {} }
- // class C extends B with M1, M2 {}
- //
- String methodName = 'm';
- ClassElementImpl classB = ElementFactory.classElement2('B');
- ClassElementImpl classM1 = ElementFactory.classElement2('M1');
- MethodElementImpl methodM1m =
- ElementFactory.methodElement(methodName, null);
- classM1.methods = <MethodElement>[methodM1m];
- ClassElementImpl classM2 = ElementFactory.classElement2('M2');
- MethodElementImpl methodM2m =
- ElementFactory.methodElement(methodName, null);
- classM2.methods = <MethodElement>[methodM2m];
- ClassElementImpl classC = ElementFactory.classElement('C', classB.type);
- classC.mixins = <InterfaceType>[classM1.type, classM2.type];
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElementImpl unit = library.definingCompilationUnit;
- unit.types = <ClassElement>[classB, classM1, classM2, classC];
- expect(classC.type.lookUpMethod(methodName, library), methodM2m);
- }
-
- void test_lookUpMethod_parameterized() {
- //
- // class A<E> { E m(E p) {} }
- // class B<F> extends A<F> {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A", ["E"]);
- DartType typeE = classA.type.typeArguments[0];
- String methodName = "m";
- MethodElementImpl methodM =
- ElementFactory.methodElement(methodName, typeE, [typeE]);
- classA.methods = <MethodElement>[methodM];
- methodM.type = new FunctionTypeImpl(methodM);
- ClassElementImpl classB = ElementFactory.classElement2("B", ["F"]);
- InterfaceType typeB = classB.type;
- InterfaceTypeImpl typeAF = new InterfaceTypeImpl(classA);
- typeAF.typeArguments = <DartType>[typeB.typeArguments[0]];
- classB.supertype = typeAF;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- //
- // B<I>
- //
- InterfaceType typeI = ElementFactory.classElement2("I").type;
- InterfaceTypeImpl typeBI = new InterfaceTypeImpl(classB);
- typeBI.typeArguments = <DartType>[typeI];
- MethodElement method = typeBI.lookUpMethod(methodName, library);
- expect(method, isNotNull);
- FunctionType methodType = method.type;
- expect(methodType.returnType, same(typeI));
- List<DartType> parameterTypes = methodType.normalParameterTypes;
- expect(parameterTypes, hasLength(1));
- expect(parameterTypes[0], same(typeI));
- }
-
- void test_lookUpMethod_recursive() {
- //
- // class A extends B {}
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement("B", typeA);
- classA.supertype = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeA.lookUpMethod("m", library), isNull);
- }
-
- void test_lookUpMethod_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpMethod("m", library), isNull);
- }
-
- void test_lookUpSetter_implemented() {
- //
- // class A { s(x) {} }
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "s";
- PropertyAccessorElement setterS =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setterS];
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpSetter(setterName, library), same(setterS));
- }
-
- void test_lookUpSetter_inherited() {
- //
- // class A { s(x) {} }
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- String setterName = "g";
- PropertyAccessorElement setterS =
- ElementFactory.setterElement(setterName, false, null);
- classA.accessors = <PropertyAccessorElement>[setterS];
- ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeB = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeB.lookUpSetter(setterName, library), same(setterS));
- }
-
- void test_lookUpSetter_mixin_shadowing() {
- //
- // class B {}
- // class M1 { set s() {} }
- // class M2 { set s() {} }
- // class C extends B with M1, M2 {}
- //
- TestTypeProvider typeProvider = new TestTypeProvider();
- String setterName = 's';
- ClassElementImpl classB = ElementFactory.classElement2('B');
- ClassElementImpl classM1 = ElementFactory.classElement2('M1');
- PropertyAccessorElementImpl setterM1g = ElementFactory.setterElement(
- setterName, false, typeProvider.dynamicType);
- classM1.accessors = <PropertyAccessorElement>[setterM1g];
- ClassElementImpl classM2 = ElementFactory.classElement2('M2');
- PropertyAccessorElementImpl setterM2g = ElementFactory.getterElement(
- setterName, false, typeProvider.dynamicType);
- classM2.accessors = <PropertyAccessorElement>[setterM2g];
- ClassElementImpl classC = ElementFactory.classElement('C', classB.type);
- classC.mixins = <InterfaceType>[classM1.type, classM2.type];
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElementImpl unit = library.definingCompilationUnit;
- unit.types = <ClassElement>[classB, classM1, classM2, classC];
- expect(classC.type.lookUpGetter(setterName, library), setterM2g);
- }
-
- void test_lookUpSetter_recursive() {
- //
- // class A extends B {}
- // class B extends A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- ClassElementImpl classB = ElementFactory.classElement("B", typeA);
- classA.supertype = classB.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA, classB];
- expect(typeA.lookUpSetter("s", library), isNull);
- }
-
- void test_lookUpSetter_unimplemented() {
- //
- // class A {}
- //
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceType typeA = classA.type;
- LibraryElementImpl library =
- ElementFactory.library(createAnalysisContext(), "lib");
- CompilationUnitElement unit = library.definingCompilationUnit;
- (unit as CompilationUnitElementImpl).types = <ClassElement>[classA];
- expect(typeA.lookUpSetter("s", library), isNull);
- }
-
- void test_setTypeArguments() {
- InterfaceTypeImpl type =
- ElementFactory.classElement2("A").type as InterfaceTypeImpl;
- List<DartType> typeArguments = <DartType>[
- ElementFactory.classElement2("B").type,
- ElementFactory.classElement2("C").type
- ];
- type.typeArguments = typeArguments;
- expect(type.typeArguments, typeArguments);
- }
-
- void test_substitute_equal() {
- ClassElement classAE = ElementFactory.classElement2("A", ["E"]);
- InterfaceType typeAE = classAE.type;
- InterfaceType argumentType = ElementFactory.classElement2("B").type;
- List<DartType> args = [argumentType];
- List<DartType> params = [classAE.typeParameters[0].type];
- InterfaceType typeAESubbed = typeAE.substitute2(args, params);
- expect(typeAESubbed.element, classAE);
- List<DartType> resultArguments = typeAESubbed.typeArguments;
- expect(resultArguments, hasLength(1));
- expect(resultArguments[0], argumentType);
- }
-
- void test_substitute_exception() {
- try {
- ClassElementImpl classA = ElementFactory.classElement2("A");
- InterfaceTypeImpl type = new InterfaceTypeImpl(classA);
- InterfaceType argumentType = ElementFactory.classElement2("B").type;
- type.substitute2(<DartType>[argumentType], <DartType>[]);
- fail(
- "Expected to encounter exception, argument and parameter type array lengths not equal.");
- } catch (e) {
- // Expected result
- }
- }
-
- void test_substitute_notEqual() {
- // The [test_substitute_equals] above has a slightly higher level
- // implementation.
- ClassElementImpl classA = ElementFactory.classElement2("A");
- TypeParameterElementImpl parameterElement =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- InterfaceTypeImpl type = new InterfaceTypeImpl(classA);
- TypeParameterTypeImpl parameter =
- new TypeParameterTypeImpl(parameterElement);
- type.typeArguments = <DartType>[parameter];
- InterfaceType argumentType = ElementFactory.classElement2("B").type;
- TypeParameterTypeImpl parameterType = new TypeParameterTypeImpl(
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("F")));
- InterfaceType result =
- type.substitute2(<DartType>[argumentType], <DartType>[parameterType]);
- expect(result.element, classA);
- List<DartType> resultArguments = result.typeArguments;
- expect(resultArguments, hasLength(1));
- expect(resultArguments[0], parameter);
- }
-}
-
-@reflectiveTest
-class LibraryElementImplTest extends EngineTestCase {
- void test_creation() {
- expect(
- new LibraryElementImpl.forNode(
- createAnalysisContext(), AstFactory.libraryIdentifier2(["l"])),
- isNotNull);
- }
-
- void test_getImportedLibraries() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library1 = ElementFactory.library(context, "l1");
- LibraryElementImpl library2 = ElementFactory.library(context, "l2");
- LibraryElementImpl library3 = ElementFactory.library(context, "l3");
- LibraryElementImpl library4 = ElementFactory.library(context, "l4");
- PrefixElement prefixA =
- new PrefixElementImpl.forNode(AstFactory.identifier3("a"));
- PrefixElement prefixB =
- new PrefixElementImpl.forNode(AstFactory.identifier3("b"));
- List<ImportElementImpl> imports = [
- ElementFactory.importFor(library2, null),
- ElementFactory.importFor(library2, prefixB),
- ElementFactory.importFor(library3, null),
- ElementFactory.importFor(library3, prefixA),
- ElementFactory.importFor(library3, prefixB),
- ElementFactory.importFor(library4, prefixA)
- ];
- library1.imports = imports;
- List<LibraryElement> libraries = library1.importedLibraries;
- expect(libraries,
- unorderedEquals(<LibraryElement>[library2, library3, library4]));
- }
-
- void test_getPrefixes() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "l1");
- PrefixElement prefixA =
- new PrefixElementImpl.forNode(AstFactory.identifier3("a"));
- PrefixElement prefixB =
- new PrefixElementImpl.forNode(AstFactory.identifier3("b"));
- List<ImportElementImpl> imports = [
- ElementFactory.importFor(ElementFactory.library(context, "l2"), null),
- ElementFactory.importFor(ElementFactory.library(context, "l3"), null),
- ElementFactory.importFor(ElementFactory.library(context, "l4"), prefixA),
- ElementFactory.importFor(ElementFactory.library(context, "l5"), prefixA),
- ElementFactory.importFor(ElementFactory.library(context, "l6"), prefixB)
- ];
- library.imports = imports;
- List<PrefixElement> prefixes = library.prefixes;
- expect(prefixes, hasLength(2));
- if (identical(prefixA, prefixes[0])) {
- expect(prefixes[1], same(prefixB));
- } else {
- expect(prefixes[0], same(prefixB));
- expect(prefixes[1], same(prefixA));
- }
- }
-
- void test_getUnits() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "test");
- CompilationUnitElement unitLib = library.definingCompilationUnit;
- CompilationUnitElementImpl unitA =
- ElementFactory.compilationUnit("unit_a.dart", unitLib.source);
- CompilationUnitElementImpl unitB =
- ElementFactory.compilationUnit("unit_b.dart", unitLib.source);
- library.parts = <CompilationUnitElement>[unitA, unitB];
- expect(library.units,
- unorderedEquals(<CompilationUnitElement>[unitLib, unitA, unitB]));
- }
-
- void test_getVisibleLibraries_cycle() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- LibraryElementImpl libraryA = ElementFactory.library(context, "A");
- libraryA.imports = <ImportElementImpl>[
- ElementFactory.importFor(library, null)
- ];
- library.imports = <ImportElementImpl>[
- ElementFactory.importFor(libraryA, null)
- ];
- List<LibraryElement> libraries = library.visibleLibraries;
- expect(libraries, unorderedEquals(<LibraryElement>[library, libraryA]));
- }
-
- void test_getVisibleLibraries_directExports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- LibraryElementImpl libraryA = ElementFactory.library(context, "A");
- library.exports = <ExportElementImpl>[ElementFactory.exportFor(libraryA)];
- List<LibraryElement> libraries = library.visibleLibraries;
- expect(libraries, unorderedEquals(<LibraryElement>[library]));
- }
-
- void test_getVisibleLibraries_directImports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- LibraryElementImpl libraryA = ElementFactory.library(context, "A");
- library.imports = <ImportElementImpl>[
- ElementFactory.importFor(libraryA, null)
- ];
- List<LibraryElement> libraries = library.visibleLibraries;
- expect(libraries, unorderedEquals(<LibraryElement>[library, libraryA]));
- }
-
- void test_getVisibleLibraries_indirectExports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- LibraryElementImpl libraryA = ElementFactory.library(context, "A");
- LibraryElementImpl libraryAA = ElementFactory.library(context, "AA");
- libraryA.exports = <ExportElementImpl>[ElementFactory.exportFor(libraryAA)];
- library.imports = <ImportElementImpl>[
- ElementFactory.importFor(libraryA, null)
- ];
- List<LibraryElement> libraries = library.visibleLibraries;
- expect(libraries,
- unorderedEquals(<LibraryElement>[library, libraryA, libraryAA]));
- }
-
- void test_getVisibleLibraries_indirectImports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- LibraryElementImpl libraryA = ElementFactory.library(context, "A");
- LibraryElementImpl libraryAA = ElementFactory.library(context, "AA");
- LibraryElementImpl libraryB = ElementFactory.library(context, "B");
- libraryA.imports = <ImportElementImpl>[
- ElementFactory.importFor(libraryAA, null)
- ];
- library.imports = <ImportElementImpl>[
- ElementFactory.importFor(libraryA, null),
- ElementFactory.importFor(libraryB, null)
- ];
- List<LibraryElement> libraries = library.visibleLibraries;
- expect(
- libraries,
- unorderedEquals(
- <LibraryElement>[library, libraryA, libraryAA, libraryB]));
- }
-
- void test_getVisibleLibraries_noImports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = ElementFactory.library(context, "app");
- expect(
- library.visibleLibraries, unorderedEquals(<LibraryElement>[library]));
- }
-
- void test_isUpToDate() {
- AnalysisContext context = createAnalysisContext();
- context.sourceFactory = new SourceFactory([]);
- LibraryElement library = ElementFactory.library(context, "foo");
- context.setContents(library.definingCompilationUnit.source, "sdfsdff");
- // Assert that we are not up to date if the target has an old time stamp.
- expect(library.isUpToDate(0), isFalse);
- // Assert that we are up to date with a target modification time in the
- // future.
- expect(library.isUpToDate(JavaSystem.currentTimeMillis() + 1000), isTrue);
- }
-
- void test_setImports() {
- AnalysisContext context = createAnalysisContext();
- LibraryElementImpl library = new LibraryElementImpl.forNode(
- context, AstFactory.libraryIdentifier2(["l1"]));
- List<ImportElementImpl> expectedImports = [
- ElementFactory.importFor(ElementFactory.library(context, "l2"), null),
- ElementFactory.importFor(ElementFactory.library(context, "l3"), null)
- ];
- library.imports = expectedImports;
- List<ImportElement> actualImports = library.imports;
- expect(actualImports, hasLength(expectedImports.length));
- for (int i = 0; i < actualImports.length; i++) {
- expect(actualImports[i], same(expectedImports[i]));
- }
- }
-}
-
-@reflectiveTest
-class MethodElementImplTest extends EngineTestCase {
- void test_computeNode() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-abstract class A {
- String m1() => null;
- m2();
-}
-''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // m1
- {
- MethodElement m1Element = unitElement.getType("A").getMethod('m1');
- MethodDeclaration m1Node = m1Element.computeNode();
- expect(m1Node, isNotNull);
- expect(m1Node.name.name, "m1");
- expect(m1Node.element, same(m1Element));
- }
- // m2
- {
- MethodElement m2Element = unitElement.getType("A").getMethod('m2');
- MethodDeclaration m2Node = m2Element.computeNode();
- expect(m2Node, isNotNull);
- expect(m2Node.name.name, "m2");
- expect(m2Node.element, same(m2Element));
- }
- }
-
- void test_computeNode_withoutFunctionBody() {
- AnalysisOptionsImpl options = new AnalysisOptionsImpl();
- options.analyzeFunctionBodies = false;
- AnalysisContextHelper contextHelper = new AnalysisContextHelper(options);
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-abstract class A {
- String m1() => null;
- m2();
-}
-''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // m1
- {
- MethodElement m1Element = unitElement.getType("A").getMethod('m1');
- MethodDeclaration m1Node = m1Element.computeNode();
- expect(m1Node, isNotNull);
- expect(m1Node.name.name, "m1");
- expect(m1Node.element, same(m1Element));
- }
- // m2
- {
- MethodElement m2Element = unitElement.getType("A").getMethod('m2');
- MethodDeclaration m2Node = m2Element.computeNode();
- expect(m2Node, isNotNull);
- expect(m2Node.name.name, "m2");
- expect(m2Node.element, same(m2Element));
- }
- }
-}
-
-@reflectiveTest
-class MultiplyDefinedElementImplTest extends EngineTestCase {
- void test_fromElements_conflicting() {
- Element firstElement = ElementFactory.localVariableElement2("xx");
- Element secondElement = ElementFactory.localVariableElement2("yy");
- Element result = MultiplyDefinedElementImpl.fromElements(
- null, firstElement, secondElement);
- EngineTestCase.assertInstanceOf(
- (obj) => obj is MultiplyDefinedElement, MultiplyDefinedElement, result);
- List<Element> elements =
- (result as MultiplyDefinedElement).conflictingElements;
- expect(elements, hasLength(2));
- for (int i = 0; i < elements.length; i++) {
- EngineTestCase.assertInstanceOf((obj) => obj is LocalVariableElement,
- LocalVariableElement, elements[i]);
- }
- }
-
- void test_fromElements_multiple() {
- Element firstElement = ElementFactory.localVariableElement2("xx");
- Element secondElement = ElementFactory.localVariableElement2("yy");
- Element thirdElement = ElementFactory.localVariableElement2("zz");
- Element result = MultiplyDefinedElementImpl.fromElements(
- null,
- MultiplyDefinedElementImpl.fromElements(
- null, firstElement, secondElement),
- thirdElement);
- EngineTestCase.assertInstanceOf(
- (obj) => obj is MultiplyDefinedElement, MultiplyDefinedElement, result);
- List<Element> elements =
- (result as MultiplyDefinedElement).conflictingElements;
- expect(elements, hasLength(3));
- for (int i = 0; i < elements.length; i++) {
- EngineTestCase.assertInstanceOf((obj) => obj is LocalVariableElement,
- LocalVariableElement, elements[i]);
- }
- }
-
- void test_fromElements_nonConflicting() {
- Element element = ElementFactory.localVariableElement2("xx");
- expect(MultiplyDefinedElementImpl.fromElements(null, element, element),
- same(element));
- }
-}
-
-@reflectiveTest
-class ParameterElementImplTest extends EngineTestCase {
- void test_computeNode_DefaultFormalParameter() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-main([int p = 42]) {
-}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // p
- {
- ParameterElement element = unitElement.functions[0].parameters[0];
- DefaultFormalParameter node = element.computeNode();
- expect(node, isNotNull);
- expect(node.identifier.name, 'p');
- expect(node.element, same(element));
- }
- }
-
- void test_computeNode_FieldFormalParameter() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-class A {
- int p;
- A(this.p) {
- }
-}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // p
- {
- ClassElement classA = unitElement.types[0];
- ConstructorElement constructorA = classA.constructors[0];
- FieldFormalParameterElement element = constructorA.parameters[0];
- FieldFormalParameter node = element.computeNode();
- expect(node, isNotNull);
- expect(node.identifier.name, 'p');
- expect(node.element, same(element));
- }
- }
-
- void test_computeNode_FunctionTypedFormalParameter() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-main(p(int a, int b)) {
-}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // p
- {
- ParameterElement element = unitElement.functions[0].parameters[0];
- FunctionTypedFormalParameter node = element.computeNode();
- expect(node, isNotNull);
- expect(node.identifier.name, 'p');
- expect(node.element, same(element));
- }
- }
-
- void test_computeNode_SimpleFormalParameter() {
- AnalysisContextHelper contextHelper = new AnalysisContextHelper();
- AnalysisContext context = contextHelper.context;
- Source source = contextHelper.addSource(
- "/test.dart",
- r'''
-main(int p) {
-}''');
- // prepare CompilationUnitElement
- LibraryElement libraryElement = context.computeLibraryElement(source);
- CompilationUnitElement unitElement = libraryElement.definingCompilationUnit;
- // p
- {
- ParameterElement element = unitElement.functions[0].parameters[0];
- SimpleFormalParameter node = element.computeNode();
- expect(node, isNotNull);
- expect(node.identifier.name, 'p');
- expect(node.element, same(element));
- }
- }
-}
-
-@reflectiveTest
-class TypeParameterTypeImplTest extends EngineTestCase {
- void test_creation() {
- expect(
- new TypeParameterTypeImpl(
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"))),
- isNotNull);
- }
-
- void test_getElement() {
- TypeParameterElementImpl element =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(element);
- expect(type.element, element);
- }
-
- void test_isMoreSpecificThan_typeArguments_dynamic() {
- TypeParameterElementImpl element =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(element);
- // E << dynamic
- expect(type.isMoreSpecificThan(DynamicTypeImpl.instance), isTrue);
- }
-
- void test_isMoreSpecificThan_typeArguments_object() {
- TypeParameterElementImpl element =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(element);
- // E << Object
- expect(type.isMoreSpecificThan(ElementFactory.object.type), isTrue);
- }
-
- void test_isMoreSpecificThan_typeArguments_resursive() {
- ClassElementImpl classS = ElementFactory.classElement2("A");
- TypeParameterElementImpl typeParameterU =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("U"));
- TypeParameterTypeImpl typeParameterTypeU =
- new TypeParameterTypeImpl(typeParameterU);
- TypeParameterElementImpl typeParameterT =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("T"));
- TypeParameterTypeImpl typeParameterTypeT =
- new TypeParameterTypeImpl(typeParameterT);
- typeParameterT.bound = typeParameterTypeU;
- typeParameterU.bound = typeParameterTypeU;
- // <T extends U> and <U extends T>
- // T << S
- expect(typeParameterTypeT.isMoreSpecificThan(classS.type), isFalse);
- }
-
- void test_isMoreSpecificThan_typeArguments_self() {
- TypeParameterElementImpl element =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(element);
- // E << E
- expect(type.isMoreSpecificThan(type), isTrue);
- }
-
- void test_isMoreSpecificThan_typeArguments_transitivity_interfaceTypes() {
- // class A {}
- // class B extends A {}
- //
- ClassElement classA = ElementFactory.classElement2("A");
- ClassElement classB = ElementFactory.classElement("B", classA.type);
- InterfaceType typeA = classA.type;
- InterfaceType typeB = classB.type;
- TypeParameterElementImpl typeParameterT =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("T"));
- typeParameterT.bound = typeB;
- TypeParameterTypeImpl typeParameterTypeT =
- new TypeParameterTypeImpl(typeParameterT);
- // <T extends B>
- // T << A
- expect(typeParameterTypeT.isMoreSpecificThan(typeA), isTrue);
- }
-
- void test_isMoreSpecificThan_typeArguments_transitivity_typeParameters() {
- ClassElementImpl classS = ElementFactory.classElement2("A");
- TypeParameterElementImpl typeParameterU =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("U"));
- typeParameterU.bound = classS.type;
- TypeParameterTypeImpl typeParameterTypeU =
- new TypeParameterTypeImpl(typeParameterU);
- TypeParameterElementImpl typeParameterT =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("T"));
- typeParameterT.bound = typeParameterTypeU;
- TypeParameterTypeImpl typeParameterTypeT =
- new TypeParameterTypeImpl(typeParameterT);
- // <T extends U> and <U extends S>
- // T << S
- expect(typeParameterTypeT.isMoreSpecificThan(classS.type), isTrue);
- }
-
- void test_isMoreSpecificThan_typeArguments_upperBound() {
- ClassElementImpl classS = ElementFactory.classElement2("A");
- TypeParameterElementImpl typeParameterT =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("T"));
- typeParameterT.bound = classS.type;
- TypeParameterTypeImpl typeParameterTypeT =
- new TypeParameterTypeImpl(typeParameterT);
- // <T extends S>
- // T << S
- expect(typeParameterTypeT.isMoreSpecificThan(classS.type), isTrue);
- }
-
- void test_substitute_equal() {
- TypeParameterElementImpl element =
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E"));
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(element);
- InterfaceTypeImpl argument = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("A")));
- TypeParameterTypeImpl parameter = new TypeParameterTypeImpl(element);
- expect(type.substitute2(<DartType>[argument], <DartType>[parameter]),
- same(argument));
- }
-
- void test_substitute_notEqual() {
- TypeParameterTypeImpl type = new TypeParameterTypeImpl(
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("E")));
- InterfaceTypeImpl argument = new InterfaceTypeImpl(
- new ClassElementImpl.forNode(AstFactory.identifier3("A")));
- TypeParameterTypeImpl parameter = new TypeParameterTypeImpl(
- new TypeParameterElementImpl.forNode(AstFactory.identifier3("F")));
- expect(type.substitute2(<DartType>[argument], <DartType>[parameter]),
- same(type));
- }
-}
-
-@reflectiveTest
-class VoidTypeImplTest extends EngineTestCase {
- /**
- * Reference {code VoidTypeImpl.getInstance()}.
- */
- DartType _voidType = VoidTypeImpl.instance;
-
- void test_isMoreSpecificThan_void_A() {
- ClassElement classA = ElementFactory.classElement2("A");
- expect(_voidType.isMoreSpecificThan(classA.type), isFalse);
- }
-
- void test_isMoreSpecificThan_void_dynamic() {
- expect(_voidType.isMoreSpecificThan(DynamicTypeImpl.instance), isTrue);
- }
-
- void test_isMoreSpecificThan_void_void() {
- expect(_voidType.isMoreSpecificThan(_voidType), isTrue);
- }
-
- void test_isSubtypeOf_void_A() {
- ClassElement classA = ElementFactory.classElement2("A");
- expect(_voidType.isSubtypeOf(classA.type), isFalse);
- }
-
- void test_isSubtypeOf_void_dynamic() {
- expect(_voidType.isSubtypeOf(DynamicTypeImpl.instance), isTrue);
- }
-
- void test_isSubtypeOf_void_void() {
- expect(_voidType.isSubtypeOf(_voidType), isTrue);
- }
-
- void test_isVoid() {
- expect(_voidType.isVoid, isTrue);
- }
-}
-
-class _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction
- extends InterfaceTypeImpl {
- _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction(ClassElement arg0)
- : super(arg0);
-
- @override
- bool get isDartCoreFunction => true;
-}

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