LibTest/isolate/ReceivePort/join_A01_t02.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 Future<String> join([String separator = ""])
/// Collects string of data events' string representations.
/// If separator is provided, it is inserted between any two elements.
/// @description Checks that it joins string representations correctly if
/// separator is provided.
/// @author ilya

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

main() {
  var iter = [1, null, false, true, 'string', 2.78];
  var separator = '---qwe---';
  iter.add(iter); // add self reference
  var s = IsolateStream.fromIterable(iter);

  asyncStart();
  s.join(separator).then((x) {
    Expect.equals(iter.join(separator), x);
    asyncEnd();
  });
}