| // Copyright (c) 2018, 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. |
| |
| // @dart = 2.9 |
| |
| import 'package:expect/expect.dart'; |
| |
| class A { |
| noSuchMethod() {} |
| //^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_OVERRIDE |
| // [cfe] The method 'A.noSuchMethod' has fewer positional arguments than those of overridden method 'Object.noSuchMethod'. |
| } |
| |
| class C extends Object with A { |
| // ^ |
| // [cfe] Applying the mixin 'A' to 'Object' introduces an erroneous override of 'noSuchMethod'. |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_OVERRIDE |
| test() { |
| print("Hello from test"); |
| } |
| } |
| |
| main() { |
| C c = new C(); |
| c.test(); |
| dynamic cc = c; |
| Expect.throwsNoSuchMethodError(() => cc.doesntExist()); |
| } |