| // 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 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 overridden method |
| /// explicitly specifies a default non-null value for its optional parameter and |
| /// overriding method does not. |
| /// @issue 27476 |
| /// @author msyabro |
| |
| |
| class A { |
| foo([x = 0]) {} |
| } |
| |
| class C extends A { |
| foo([x]) { |
| } |
| } |
| |
| main() { |
| new A().foo(2); |
| new C().foo(1); |
| } |