| // Copyright (c) 2019, 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/analysis/features.dart'; |
| import 'package:analyzer/src/dart/analysis/experiments.dart'; |
| import 'package:analyzer/src/error/codes.dart'; |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../dart/resolution/driver_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(InvalidReferenceToThisTest); |
| defineReflectiveTests(InvalidReferenceToThisTest_NNBD); |
| }); |
| } |
| |
| @reflectiveTest |
| class InvalidReferenceToThisTest extends DriverResolutionTest { |
| test_constructor_valid() async { |
| await assertErrorsInCode(r''' |
| class A { |
| A() { |
| var v = this; |
| } |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 26, 1), |
| ]); |
| } |
| |
| test_factoryConstructor() async { |
| await assertErrorsInCode(r''' |
| class A { |
| factory A() { return this; } |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 33, 4), |
| ]); |
| } |
| |
| test_instanceMethod_valid() async { |
| await assertErrorsInCode(r''' |
| class A { |
| m() { |
| var v = this; |
| } |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 26, 1), |
| ]); |
| } |
| |
| test_instanceVariableInitializer_inConstructor() async { |
| await assertErrorsInCode(r''' |
| class A { |
| var f; |
| A() : f = this; |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 31, 4), |
| ]); |
| } |
| |
| test_instanceVariableInitializer_inDeclaration() async { |
| await assertErrorsInCode(r''' |
| class A { |
| var f = this; |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 20, 4), |
| ]); |
| } |
| |
| test_staticMethod() async { |
| await assertErrorsInCode(r''' |
| class A { |
| static m() { return this; } |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 32, 4), |
| ]); |
| } |
| |
| test_staticVariableInitializer() async { |
| await assertErrorsInCode(r''' |
| class A { |
| static A f = this; |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 25, 4), |
| ]); |
| } |
| |
| test_superInitializer() async { |
| await assertErrorsInCode(r''' |
| class A { |
| A(var x) {} |
| } |
| class B extends A { |
| B() : super(this); |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 60, 4), |
| ]); |
| } |
| |
| test_topLevelFunction() async { |
| await assertErrorsInCode(''' |
| f() { return this; } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 13, 4), |
| ]); |
| } |
| |
| test_variableInitializer() async { |
| await assertErrorsInCode(''' |
| int x = this; |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 8, 4), |
| ]); |
| } |
| |
| test_variableInitializer_inMethod_notLate() async { |
| await assertErrorsInCode(r''' |
| class A { |
| f() { |
| var r = this; |
| } |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 26, 1), |
| ]); |
| } |
| } |
| |
| @reflectiveTest |
| class InvalidReferenceToThisTest_NNBD extends InvalidReferenceToThisTest { |
| @override |
| AnalysisOptionsImpl get analysisOptions => AnalysisOptionsImpl() |
| ..contextFeatures = FeatureSet.fromEnableFlags( |
| [EnableString.non_nullable], |
| ); |
| |
| test_instanceVariableInitializer_inDeclaration_late() async { |
| await assertNoErrorsInCode(r''' |
| class A { |
| late var f = this; |
| } |
| '''); |
| } |
| |
| test_mixinVariableInitializer_inDeclaration_late() async { |
| await assertNoErrorsInCode(r''' |
| mixin A { |
| late var f = this; |
| } |
| '''); |
| } |
| |
| test_variableInitializer_late() async { |
| await assertErrorsInCode(''' |
| late var x = this; |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_REFERENCE_TO_THIS, 13, 4), |
| ]); |
| } |
| } |