/*
 * Copyright (c) 2019, 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 superclass of a class C that has a with clause with
 * M1,...,Mk and an extends clause extends S is the application of mixin
 * Mk*...*M1 to S. If no with clause is specified then the extends clause of a
 * class C specifies its superclass.
 * @description Checks that a class can indeed specify a superclass using the
 * extends clause and an instance of this class is also an instance of that
 * superclass. Test type aliases
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=nonfunction-type-aliases
import "../../../Utils/expect.dart";

class A {}

typedef AAlias = A;

class B extends AAlias {}

main() {
  Expect.isTrue(new B() is A);
}