// Copyright (c) 2011, 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 A { const A(); }
class B extends A { const B(); }

main() {
  var set1 = new Set<B>();
  set1.add(const B());
  var set2 = new Set<B>();
  var list = <B>[ const B() ];
  var set3 = list.toSet();

  var sets = [set1, set2, set3];
  for (var setToTest in sets) {
    // Test that the set accepts a value that is not of the same type
    //   Set<B>.contains(A)
    Expect.isFalse(setToTest.contains(new A()));
  }
}
