| // 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/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(NullableTypeInOnClauseTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class NullableTypeInOnClauseTest extends DriverResolutionTest { |
| @override |
| AnalysisOptionsImpl get analysisOptions => |
| AnalysisOptionsImpl()..enabledExperiments = [EnableString.non_nullable]; |
| |
| test_nonNullable() async { |
| await assertNoErrorsInCode(''' |
| class A {} |
| mixin B on A {} |
| '''); |
| } |
| |
| test_nullable() async { |
| await assertErrorsInCode(''' |
| class A {} |
| mixin B on A? {} |
| ''', [ |
| error(CompileTimeErrorCode.NULLABLE_TYPE_IN_ON_CLAUSE, 22, 2), |
| ]); |
| } |
| } |