// 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 The static type of a logical boolean expression is bool.
/// @description Checks that the static type of a logical boolean
/// expression is bool.
/// @author msyabro


main() {
  bool b;

  b = (true || true);
  b = (false || true);
  b = (true || false);
  b = (false || false);

  b = (true && true);
  b = (false && true);
  b = (true && false);
  b = (false && false);
}
