| // 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 compile error if an instance method m1 overrides an |
| /// instance member m2 and the type of m1 is not a subtype of the type of m2. |
| /// @description Checks that a compile error is produced if m1 is not a subtype |
| /// of m2 because their respective required parameter types are not mutually |
| /// assignable. |
| /// @author iefremov |
| |
| |
| class A { |
| foo(int x) {} |
| } |
| |
| class C extends A { |
| foo(String x) { |
| //^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| return x.toString(); |
| } |
| } |
| |
| main() { |
| new A().foo(2); |
| new C().foo("1"); |
| } |