| // 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"; |
| |
| class I<T> {} |
| |
| class J<T> {} |
| |
| class K<T> {} |
| |
| class S<T> {} |
| |
| class M<T> { |
| m() { |
| return T; |
| } |
| } |
| |
| class A<U, V> = Object with M<Map<U, V>> implements I<V>; |
| |
| class B<T> = Object with A<T, Set<T>> implements J<T>; |
| |
| class C<T> = S<List<T>> with B implements K<T>; // B is raw. |
| |
| main() { |
| var c = new C<int>(); |
| Expect.equals("Map<dynamic, Set<dynamic>>", c.m().toString()); |
| Expect.isTrue(c is K<int>); |
| Expect.isTrue(c is J); |
| Expect.isTrue(c is I<Set>); |
| Expect.isTrue(c is S<List<int>>); |
| Expect.isTrue(c is A<dynamic, Set>); |
| Expect.isTrue(c is M<Map<dynamic, Set>>); |
| } |