// 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 If the string is not already all upper case, returns a new string
///            where all characters of this string are made upper case. Returns
///            this otherwise.
/// @description Checks that this method does not affect non-alphabetic strings
/// @author msyabro

import "../../../Utils/expect.dart";

main() {
  Expect.equals("", "".toUpperCase());
  Expect.equals("!@#%", "!@#%".toUpperCase());
  Expect.equals("\u0000\u0001\u0002", "\u0000\u0001\u0002".toUpperCase());
  Expect.equals("1234567890", "1234567890".toUpperCase());
}