// 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 static void isNull(var actual, [String reason = null])
 * Checks whether [actual] is null.
 * @description Checks that no exception is thrown when the argument is null,
 * regardless of reason (the last argument).
 * @author rodionov
 */
import "../../../Utils/expect.dart";

main() {
  Expect.isNull(null);
  Expect.isNull(null, "");
  Expect.isNull(null, "not empty");
}