LibTest/core/Runes/join_A01_t01.dart

// 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] by calling Object.toString on it.
/// Then concatenates the strings, optionally separated by the [separator] string.
/// @description Checks that the returned [String] contains all elements from
/// [this] separated by [separator].
/// @author msyabro

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

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

main() {
  check('', '', '');
  check('', ', ', '');
  check('\x01', ', ', '1');
  check('\x01\x02\x03\x04\x05\x06\x07\x08\x09', "  ",
      "1  2  3  4  5  6  7  8  9");
}