// Copyright (c) 2015, 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.

/// @assertion Let S be a class, M be a mixin with required superinterfaces
/// T1, . . . , Tn, combined superinterface MS, implemented interfaces
/// I1, . . . , Ik and members as mixin member declarations, and let N be a name.
/// ...
/// The mixin application of M to S with name N introduces a new class, C,
/// with name N, superclass S, implemented interface I1, . . . , Ik and members
/// as instance members.
/// @description Checks that mixin application of the form S with M; defines a
/// class C with superclass S. So if M and S have getters with the same names
/// then mixin method overrides one from S
/// @author sgrekhov@unipro.ru

import "../../../Utils/expect.dart";

class S {
  String get m => "S";
}

class M {
  String get m => "M";
}

class C extends S with M {
  test() {
    Expect.equals("M", super.m);
  }
}

main() {
  C c = new C();
  c.test();
}
