Language/Mixins/Mixin_Application/abstract_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 The effect of a class definition of the form class C = M; or the
 * form class C<T1,...,Tn> = M; in library L is to introduce the name C into
 * the scope of L, bound to the class defined by the mixin application M.
 * The name of the class is also set to C. Iff the class is prefixed by the
 * built-in identifier abstract, the class being defined is an abstract class.
 * @description Checks that class C is abstract (cannot be instantiated by
 * new) if there are abstract identifier even if all classes in mixin
 * application are not abstract
 * @static-warning
 * @author sgrekhov@unipro.ru
 */
import "../../../Utils/expect.dart";

class M {
}

class S {
}

abstract class C = S with M;

main() {
  Expect.throws(() {C c = new C();}); /// static type warning
}