| // Copyright (c) 2015, 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 'dart:async'; |
| |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:analyzer/src/task/strong_mode.dart'; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../../generated/resolver_test_case.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(SetFieldTypeTest); |
| defineReflectiveTests(VariableGathererTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class SetFieldTypeTest extends ResolverTestCase { |
| test_setter_withoutParameter() async { |
| Source source = addSource(''' |
| var x = 0; |
| set x() {} |
| '''); |
| var analysisResult = await computeAnalysisResult(source); |
| CompilationUnitElement unit = analysisResult.unit.declaredElement; |
| TopLevelVariableElement variable = unit.topLevelVariables.single; |
| setFieldType(variable, unit.context.typeProvider.intType); |
| } |
| } |
| |
| @reflectiveTest |
| class VariableGathererTest extends ResolverTestCase { |
| test_creation_withFilter() async { |
| VariableFilter filter = (variable) => true; |
| VariableGatherer gatherer = new VariableGatherer(filter); |
| expect(gatherer, isNotNull); |
| expect(gatherer.filter, same(filter)); |
| } |
| |
| test_creation_withoutFilter() async { |
| VariableGatherer gatherer = new VariableGatherer(); |
| expect(gatherer, isNotNull); |
| expect(gatherer.filter, isNull); |
| } |
| |
| test_visit_noReferences() async { |
| Source source = addNamedSource('/test.dart', ''' |
| library lib; |
| import 'dart:math'; |
| int zero = 0; |
| class C { |
| void m() => null; |
| } |
| typedef void F(); |
| '''); |
| var analysisResult = await computeAnalysisResult(source); |
| VariableGatherer gatherer = new VariableGatherer(); |
| analysisResult.unit.accept(gatherer); |
| expect(gatherer.results, hasLength(0)); |
| } |
| |
| test_visit_withFilter() async { |
| VariableFilter filter = (VariableElement variable) => variable.isStatic; |
| Set<VariableElement> variables = await _gather(filter); |
| expect(variables, hasLength(1)); |
| } |
| |
| test_visit_withoutFilter() async { |
| Set<VariableElement> variables = await _gather(); |
| expect(variables, hasLength(4)); |
| } |
| |
| Future<Set<VariableElement>> _gather([VariableFilter filter = null]) async { |
| Source source = addNamedSource('/test.dart', ''' |
| const int zero = 0; |
| class Counter { |
| int value = zero; |
| void inc() { |
| value++; |
| } |
| void dec() { |
| value = value - 1; |
| } |
| void fromZero(f(int index)) { |
| for (int i = zero; i < value; i++) { |
| f(i); |
| } |
| } |
| } |
| '''); |
| var analysisResult = await computeAnalysisResult(source); |
| VariableGatherer gatherer = new VariableGatherer(filter); |
| analysisResult.unit.accept(gatherer); |
| return gatherer.results; |
| } |
| } |