Language/Mixins/Mixin_Application/syntax_t07.dart

/*
 * 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 Test that instance of class (S with M) is S
 * @author sgrekhov@unipro.ru
 */
import "../../../Utils/expect.dart";

class S {
}

class M {
}

class C1 = S with M;

class C2 extends S with M {
}

main() {
  C1 c1 = new C1();
  Expect.isTrue(c1 is S);

  C2 c2 = new C2();
  Expect.isTrue(c2 is S);
}