| /* |
| * Copyright (c) 2011, 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. |
| * 7.1: It is a static warning if an instance method m1 overrides an instance member m2, |
| * the signature of m2 explicitly specifies a default value for a formal parameter p |
| * and the signature of m1 specifies a different default value for p. |
| * @description Checks that it is a static warning if an abstract method overrides |
| * an abstract method and does not explicitly specify a default value for its optional parameter |
| * while the overridden method does. |
| * @static-warning |
| * @author msyabro |
| * @reviewer rodionov |
| * @reviewer kaigorodov |
| */ |
| import "../../Utils/expect.dart"; |
| |
| abstract class A { |
| foo([x = 1]); |
| } |
| |
| class C extends A { |
| foo([x]); /// static type warning |
| } |
| |
| main() { |
| Expect.throws(() => new C().foo(1)); |
| } |
