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