| // 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. |
| |
| /** |
| * @assertion Unless explicitly stated otherwise, all ordinary rules that apply |
| * to methods apply to abstract methods. |
| * It is a static warning if an instance method m1 overrides an instance member |
| * m2 and m1 has a greater number of required parameters than m2. |
| * @description Checks that a compile error is produced when an abstract |
| * method overrides a non-abstract instance method with the same name and |
| * greater number of required parameters. Test type aliases |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| class A { |
| f(var x) {} |
| } |
| typedef AAlias = A; |
| |
| abstract class C extends AAlias { |
| f(var x, var y); |
| //^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| typedef CAlias = C; |
| |
| class D extends CAlias { |
| f(var x, var y) {} |
| } |
| |
| main() { |
| new A().f(2); |
| new D().f(2, 2); |
| } |
| |
