// 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.

/// @assertion Let v be a local variable or a formal parameter. An is-expression
/// of the form v is T shows that v has type T iff T is more specific than the
/// type S of the expression v and both T != dynamic and S != dynamic.
/// @description Checks that if neither T is more specific than S, nor
/// S is more specific than T, is-expression does not show that v has type T.
/// Local variable case.
/// @author ilya

import '../../../Utils/expect.dart';

class C {}

class D {
  f() {}
}

f(C y) {
  C x = y;
  Expect.isFalse(x is D);
}

main() {
  f(new C());
}
