| // 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/error/hint_codes.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../dart/resolution/driver_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(UnnecessaryTypeCheckTrueTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class UnnecessaryTypeCheckTrueTest extends DriverResolutionTest { |
| test_null_is_Null() async { |
| await assertErrorsInCode(r''' |
| bool b = null is Null; |
| ''', [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]); |
| } |
| |
| test_type_is_dynamic() async { |
| await assertErrorsInCode(r''' |
| m(i) { |
| bool b = i is dynamic; |
| } |
| ''', [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]); |
| } |
| |
| test_type_is_object() async { |
| await assertErrorsInCode(r''' |
| m(i) { |
| bool b = i is Object; |
| } |
| ''', [HintCode.UNNECESSARY_TYPE_CHECK_TRUE]); |
| } |
| } |