// 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 S<T> { }

class M<T> {
  t() { return T; }
}

typedef A<U, V> = Object with M<Map<U, V>> implements I<V>;

typedef C<T, K> = S<T> with A<T, List<K>> implements J<K>;

main() {
  var c = new C<int, bool>();
  Expect.equals("Map<int, List<bool>>", c.t().toString());
  Expect.isTrue(c is I<List<bool>>);
  Expect.isTrue(c is J<bool>);
  Expect.isTrue(c is S<int>);
  Expect.isTrue(c is A<int, List<bool>>);
  Expect.isTrue(c is M<Map<int, List<bool>>>);
}
