| /* |
| * 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 and m1 does not declare all the named parameters declared by m2. |
| * @description Checks that no static warning is produced when the overriding abstract method |
| * has the same set of named parameters as the non-abstract instance method being overriden, |
| * but in a different order. |
| * @static-clean |
| * @author rodionov |
| * @reviewer kaigorodov |
| */ |
| import "../../Utils/expect.dart"; |
| |
| class A { |
| f({var x, var y}) { return x+y; } |
| } |
| |
| abstract class C extends A { |
| f({var y, var x}); |
| } |
| |
| class D extends C { |
| f({var x, var y}) { return x-y; } |
| } |
| |
| main() { |
| A a=new A(); |
| Expect.equals(3, a.f(x:2, y:1)); |
| a=new D(); |
| Expect.equals(1, a.f(x:2, y:1)); |
| } |