| // Copyright (c) 2016, 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. |
| |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/dart/ast/token.dart'; |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/src/dart/ast/token.dart'; |
| import 'package:analyzer/src/dart/element/element.dart'; |
| import 'package:analyzer/src/generated/constant.dart'; |
| import 'package:analyzer/src/generated/testing/ast_test_factory.dart'; |
| import 'package:analyzer/src/generated/testing/element_factory.dart'; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(ReferenceFinderTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class ReferenceFinderTest { |
| late final Element _tail; |
| final List<ConstantEvaluationTarget> _dependencies = []; |
| |
| void test_visitSimpleIdentifier_const() { |
| _visitNode(_makeTailVariable("v2", true)); |
| _assertOneArc(_tail); |
| } |
| |
| void test_visitSuperConstructorInvocation_const() { |
| _visitNode(_makeTailSuperConstructorInvocation("A", true)); |
| _assertOneArc(_tail); |
| } |
| |
| void test_visitSuperConstructorInvocation_nonConst() { |
| _visitNode(_makeTailSuperConstructorInvocation("A", false)); |
| _assertOneArc(_tail); |
| } |
| |
| void test_visitSuperConstructorInvocation_unresolved() { |
| SuperConstructorInvocation superConstructorInvocation = |
| AstTestFactory.superConstructorInvocation(); |
| _visitNode(superConstructorInvocation); |
| _assertNoArcs(); |
| } |
| |
| void _assertNoArcs() { |
| expect(_dependencies, isEmpty); |
| } |
| |
| void _assertOneArc(Element tail) { |
| expect(_dependencies, hasLength(1)); |
| expect(_dependencies[0], same(tail)); |
| } |
| |
| SuperConstructorInvocation _makeTailSuperConstructorInvocation( |
| String name, bool isConst) { |
| List<ConstructorInitializer> initializers = <ConstructorInitializer>[]; |
| var constructorDeclaration = AstTestFactory.constructorDeclaration( |
| AstTestFactory.identifier3(name), |
| null, |
| AstTestFactory.formalParameterList(), |
| initializers); |
| if (isConst) { |
| constructorDeclaration.constKeyword = KeywordToken(Keyword.CONST, 0); |
| } |
| ClassElementImpl classElement = ElementFactory.classElement2(name); |
| var superConstructorInvocation = |
| AstTestFactory.superConstructorInvocation(); |
| ConstructorElementImpl constructorElement = |
| ElementFactory.constructorElement(classElement, name, isConst); |
| _tail = constructorElement; |
| superConstructorInvocation.staticElement = constructorElement; |
| return superConstructorInvocation; |
| } |
| |
| SimpleIdentifier _makeTailVariable(String name, bool isConst) { |
| VariableDeclaration variableDeclaration = |
| AstTestFactory.variableDeclaration(name); |
| ConstLocalVariableElementImpl variableElement = |
| ElementFactory.constLocalVariableElement(name); |
| _tail = variableElement; |
| variableElement.isConst = isConst; |
| AstTestFactory.variableDeclarationList2( |
| isConst ? Keyword.CONST : Keyword.VAR, [variableDeclaration]); |
| var identifier = AstTestFactory.identifier3(name); |
| identifier.staticElement = variableElement; |
| return identifier; |
| } |
| |
| void _visitNode(AstNode node) { |
| var referenceFinder = ReferenceFinder((dependency) { |
| _dependencies.add(dependency); |
| }); |
| node.accept(referenceFinder); |
| } |
| } |