// 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.

// @dart = 2.9

/// @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

library join_A01_t02;
import "dart:async";
import "../../../Utils/expect.dart";

void test(CreateStreamFunction create) {
  List iterable = [1, null, false, true, 'string', #symbol, (x) => x++];
  iterable.add(iterable); // add self reference
  Stream s = create(iterable);

  AsyncExpect.value(iterable.join('---qwe---'), s.join('---qwe---'));
}