LibTest/core/ArgumentError/toString_A01_t01.dart

/*
 * 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 String toString()
 * Returns a string representation of this object.
 * @description Checks that this method causes no error and the result is not null and is indeed a String.
 * @author rodionov
 * @reviewer pagolubev
 */
 
import "../../../Utils/expect.dart";
 
main() {
  ArgumentError e = new ArgumentError(null);
  Expect.isTrue(e.toString() != null);
  Expect.isTrue(e.toString() is String);
}