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

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master
Patch Set: Created 5 years, 2 months ago
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Index: packages/analyzer/test/generated/element_test.dart
diff --git a/packages/analyzer/test/generated/element_test.dart b/packages/analyzer/test/generated/element_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..14485e20ea397ffae9fc1c3a9932b55850a30924
--- /dev/null
+++ b/packages/analyzer/test/generated/element_test.dart
@@ -0,0 +1,4285 @@
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library engine.element_test;
+
+import 'package:analyzer/src/generated/ast.dart';
+import 'package:analyzer/src/generated/element.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(HtmlElementImplTest);
+ 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_setTypeArguments() {
+ 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;
+ type.typeArguments = <DartType>[expectedType];
+ List<DartType> arguments = type.typeArguments;
+ expect(arguments, hasLength(1));
+ expect(arguments[0], expectedType);
+ }
+
+ 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);
+ functionType.typeArguments = <DartType>[parameterType];
+ 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<...>');
+ }
+}
+
+@reflectiveTest
+class HtmlElementImplTest extends EngineTestCase {
+ void test_equals_differentSource() {
+ AnalysisContext context = createAnalysisContext();
+ HtmlElementImpl elementA = ElementFactory.htmlUnit(context, "indexA.html");
+ HtmlElementImpl elementB = ElementFactory.htmlUnit(context, "indexB.html");
+ expect(elementA == elementB, isFalse);
+ }
+
+ void test_equals_null() {
+ AnalysisContext context = createAnalysisContext();
+ HtmlElementImpl element = ElementFactory.htmlUnit(context, "index.html");
+ expect(element == null, isFalse);
+ }
+
+ void test_equals_sameSource() {
+ AnalysisContext context = createAnalysisContext();
+ HtmlElementImpl elementA = ElementFactory.htmlUnit(context, "index.html");
+ HtmlElementImpl elementB = ElementFactory.htmlUnit(context, "index.html");
+ expect(elementA == elementB, isTrue);
+ }
+
+ void test_equals_self() {
+ AnalysisContext context = createAnalysisContext();
+ HtmlElementImpl element = ElementFactory.htmlUnit(context, "index.html");
+ expect(element == element, isTrue);
+ }
+}
+
+@reflectiveTest
+class InterfaceTypeImplTest extends EngineTestCase {
+ /**
+ * The type provider used to access the types.
+ */
+ TestTypeProvider _typeProvider;
+
+ @override
+ void 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";
+ PropertyAccessorElement getterG =
+ ElementFactory.getterElement(getterName, false, typeE);
+ classA.accessors = <PropertyAccessorElement>[getterG];
+ (getterG.type as FunctionTypeImpl).typeArguments =
+ classA.type.typeArguments;
+ //
+ // 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_getLeastUpperBound_directInterfaceCase() {
+ //
+ // class A
+ // class B implements A
+ // class C implements B
+ //
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ ClassElementImpl classC = ElementFactory.classElement2("C");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ classB.interfaces = <InterfaceType>[typeA];
+ classC.interfaces = <InterfaceType>[typeB];
+ expect(typeB.getLeastUpperBound(typeC), typeB);
+ expect(typeC.getLeastUpperBound(typeB), typeB);
+ }
+
+ void test_getLeastUpperBound_directSubclassCase() {
+ //
+ // class A
+ // class B extends A
+ // class C extends B
+ //
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
+ ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ expect(typeB.getLeastUpperBound(typeC), typeB);
+ expect(typeC.getLeastUpperBound(typeB), typeB);
+ }
+
+ void test_getLeastUpperBound_functionType() {
+ DartType interfaceType = ElementFactory.classElement2("A").type;
+ FunctionTypeImpl functionType = new FunctionTypeImpl(
+ new FunctionElementImpl.forNode(AstFactory.identifier3("f")));
+ expect(interfaceType.getLeastUpperBound(functionType), isNull);
+ }
+
+ void test_getLeastUpperBound_mixinCase() {
+ //
+ // class A
+ // class B extends A
+ // class C extends A
+ // class D extends B with M, N, O, P
+ //
+ ClassElement classA = ElementFactory.classElement2("A");
+ ClassElement classB = ElementFactory.classElement("B", classA.type);
+ ClassElement classC = ElementFactory.classElement("C", classA.type);
+ ClassElementImpl classD = ElementFactory.classElement("D", classB.type);
+ InterfaceType typeA = classA.type;
+ InterfaceType typeC = classC.type;
+ InterfaceType typeD = classD.type;
+ classD.mixins = <InterfaceType>[
+ ElementFactory.classElement2("M").type,
+ ElementFactory.classElement2("N").type,
+ ElementFactory.classElement2("O").type,
+ ElementFactory.classElement2("P").type
+ ];
+ expect(typeD.getLeastUpperBound(typeC), typeA);
+ expect(typeC.getLeastUpperBound(typeD), typeA);
+ }
+
+ void test_getLeastUpperBound_null() {
+ DartType interfaceType = ElementFactory.classElement2("A").type;
+ expect(interfaceType.getLeastUpperBound(null), isNull);
+ }
+
+ void test_getLeastUpperBound_object() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ DartType typeObject = typeA.element.supertype;
+ // assert that object does not have a super type
+ expect((typeObject.element as ClassElement).supertype, isNull);
+ // assert that both A and B have the same super type of Object
+ expect(typeB.element.supertype, typeObject);
+ // finally, assert that the only least upper bound of A and B is Object
+ expect(typeA.getLeastUpperBound(typeB), typeObject);
+ }
+
+ void test_getLeastUpperBound_self() {
+ ClassElement classA = ElementFactory.classElement2("A");
+ InterfaceType typeA = classA.type;
+ expect(typeA.getLeastUpperBound(typeA), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperclass1() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
+ ClassElementImpl classC = ElementFactory.classElement("C", classA.type);
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ expect(typeB.getLeastUpperBound(typeC), typeA);
+ expect(typeC.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperclass2() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
+ ClassElementImpl classC = ElementFactory.classElement("C", classA.type);
+ ClassElementImpl classD = ElementFactory.classElement("D", classC.type);
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeD = classD.type;
+ expect(typeB.getLeastUpperBound(typeD), typeA);
+ expect(typeD.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperclass3() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
+ ClassElementImpl classC = ElementFactory.classElement("C", classB.type);
+ ClassElementImpl classD = ElementFactory.classElement("D", classB.type);
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ InterfaceType typeD = classD.type;
+ expect(typeC.getLeastUpperBound(typeD), typeB);
+ expect(typeD.getLeastUpperBound(typeC), typeB);
+ }
+
+ void test_getLeastUpperBound_sharedSuperclass4() {
+ ClassElement classA = ElementFactory.classElement2("A");
+ ClassElement classA2 = ElementFactory.classElement2("A2");
+ ClassElement classA3 = ElementFactory.classElement2("A3");
+ ClassElementImpl classB = ElementFactory.classElement("B", classA.type);
+ ClassElementImpl classC = ElementFactory.classElement("C", classA.type);
+ InterfaceType typeA = classA.type;
+ InterfaceType typeA2 = classA2.type;
+ InterfaceType typeA3 = classA3.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ classB.interfaces = <InterfaceType>[typeA2];
+ classC.interfaces = <InterfaceType>[typeA3];
+ expect(typeB.getLeastUpperBound(typeC), typeA);
+ expect(typeC.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperinterface1() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ ClassElementImpl classC = ElementFactory.classElement2("C");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ classB.interfaces = <InterfaceType>[typeA];
+ classC.interfaces = <InterfaceType>[typeA];
+ expect(typeB.getLeastUpperBound(typeC), typeA);
+ expect(typeC.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperinterface2() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ ClassElementImpl classC = ElementFactory.classElement2("C");
+ ClassElementImpl classD = ElementFactory.classElement2("D");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ InterfaceType typeD = classD.type;
+ classB.interfaces = <InterfaceType>[typeA];
+ classC.interfaces = <InterfaceType>[typeA];
+ classD.interfaces = <InterfaceType>[typeC];
+ expect(typeB.getLeastUpperBound(typeD), typeA);
+ expect(typeD.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_sharedSuperinterface3() {
+ ClassElementImpl classA = ElementFactory.classElement2("A");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ ClassElementImpl classC = ElementFactory.classElement2("C");
+ ClassElementImpl classD = ElementFactory.classElement2("D");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ InterfaceType typeD = classD.type;
+ classB.interfaces = <InterfaceType>[typeA];
+ classC.interfaces = <InterfaceType>[typeB];
+ classD.interfaces = <InterfaceType>[typeB];
+ expect(typeC.getLeastUpperBound(typeD), typeB);
+ expect(typeD.getLeastUpperBound(typeC), typeB);
+ }
+
+ void test_getLeastUpperBound_sharedSuperinterface4() {
+ ClassElement classA = ElementFactory.classElement2("A");
+ ClassElement classA2 = ElementFactory.classElement2("A2");
+ ClassElement classA3 = ElementFactory.classElement2("A3");
+ ClassElementImpl classB = ElementFactory.classElement2("B");
+ ClassElementImpl classC = ElementFactory.classElement2("C");
+ InterfaceType typeA = classA.type;
+ InterfaceType typeA2 = classA2.type;
+ InterfaceType typeA3 = classA3.type;
+ InterfaceType typeB = classB.type;
+ InterfaceType typeC = classC.type;
+ classB.interfaces = <InterfaceType>[typeA, typeA2];
+ classC.interfaces = <InterfaceType>[typeA, typeA3];
+ expect(typeB.getLeastUpperBound(typeC), typeA);
+ expect(typeC.getLeastUpperBound(typeB), typeA);
+ }
+
+ void test_getLeastUpperBound_twoComparables() {
+ InterfaceType string = _typeProvider.stringType;
+ InterfaceType num = _typeProvider.numType;
+ expect(string.getLeastUpperBound(num), _typeProvider.objectType);
+ }
+
+ void test_getLeastUpperBound_typeParameters_different() {
+ //
+ // class List<int>
+ // class List<double>
+ //
+ InterfaceType listType = _typeProvider.listType;
+ InterfaceType intType = _typeProvider.intType;
+ InterfaceType doubleType = _typeProvider.doubleType;
+ InterfaceType listOfIntType = listType.substitute4(<DartType>[intType]);
+ InterfaceType listOfDoubleType =
+ listType.substitute4(<DartType>[doubleType]);
+ expect(listOfIntType.getLeastUpperBound(listOfDoubleType),
+ _typeProvider.objectType);
+ }
+
+ void test_getLeastUpperBound_typeParameters_same() {
+ //
+ // List<int>
+ // List<int>
+ //
+ InterfaceType listType = _typeProvider.listType;
+ InterfaceType intType = _typeProvider.intType;
+ InterfaceType listOfIntType = listType.substitute4(<DartType>[intType]);
+ expect(listOfIntType.getLeastUpperBound(listOfIntType), listOfIntType);
+ }
+
+ 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 as FunctionTypeImpl).typeArguments =
+ classA.type.typeArguments;
+ //
+ // 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";
+ PropertyAccessorElement setterS =
+ ElementFactory.setterElement(setterName, false, typeE);
+ classA.accessors = <PropertyAccessorElement>[setterS];
+ (setterS.type as FunctionTypeImpl).typeArguments =
+ classA.type.typeArguments;
+ //
+ // 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 as FunctionTypeImpl).typeArguments =
+ classA.type.typeArguments;
+ 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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