| // Copyright (c) 2023, 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=2.19 |
| |
| import "package:expect/expect.dart"; |
| |
| class S<T> { |
| s() { |
| return T; |
| } |
| } |
| |
| class M<T> { |
| m() { |
| return T; |
| } |
| } |
| |
| class N<T> { |
| n() { |
| return T; |
| } |
| } |
| |
| class C<U, V> extends S<Map<U, V>> with M<List<U>>, N<Set<V>> {} |
| |
| main() { |
| var c = new C<int, bool>(); |
| Expect.isTrue(c is S<Map<int, bool>>); |
| Expect.equals(Map<int, bool>, c.s()); |
| Expect.isTrue(c is M<List<int>>); |
| Expect.equals(List<int>, c.m()); |
| Expect.isTrue(c is N<Set<bool>>); |
| Expect.equals(Set<bool>, c.n()); |
| } |