// 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 StreamController.broadcast({void onListen(), void onCancel(),
///                                       bool sync: false})
/// The controller does not have any internal queue of events, and if there
/// are no listeners at the time the event is added, it will just be dropped,
/// or, if it is an error, be reported as uncaught.
///
/// @description Checks that data events are dropped if there are no listeners.
/// @author a.semenov@unipro.ru

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

main() {
  StreamController controller = new StreamController.broadcast();
  controller.add("lost");
  controller.add("event");
  asyncStart();
  List receivedData = [];
  controller.stream.listen(
      (data) => receivedData.add(data),
      onDone: () {
        Expect.listEquals(["published", "event"], receivedData);
        asyncEnd();
      }
  );
  controller.add("published");
  controller.add("event");
  controller.close();
}