// Copyright (c) 2013, 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 join([String separator = ""])
/// Converts each element to a String and concatenates the strings.
/// Converts each element to a String by calling Object.toString on it.
/// Then concatenates the strings, optionally separated by the separator string.
/// @description Checks that if [separator] is omitted, elements of [this]
/// are not separated in the returned String.
/// @author msyabro

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

check(string, expectedString) {
  var runes = new Runes(string);
  var s = runes.join();
  Expect.stringEquals(expectedString, s);
}

main() {
  check('',  '');
  check('\x01\x02', '12');
  check('\x01\x02\x03\x04\x05\x06\x07\x08\x09', '123456789');
}