| // Copyright (c) 2013, 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. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| abstract class Mixin1<T> {} |
| |
| abstract class Mixin2<T> {} |
| |
| class A { |
| A(foo); |
| } |
| |
| class B<K, V> extends A with Mixin1<K>, Mixin2<V> { |
| B(foo) : super(foo); |
| } |
| |
| main() { |
| var b = new B<num, String>(null); |
| Expect.isTrue(b is Mixin1<num>); |
| Expect.isTrue(b is! Mixin1<String>); |
| Expect.isTrue(b is Mixin2<String>); |
| Expect.isTrue(b is! Mixin2<num>); |
| } |