LibTest/async/StreamController/StreamController.broadcast_A01_t01.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 factory StreamController.broadcast({void onListen(), void onCancel(), bool sync: false})
 * A controller where stream can be listened to more than once.
 * The Stream returned by stream is a broadcast stream. It can be listened to more than once.
 * The controller distributes any events to all currently subscribed listeners.
 * @description Checks that the controller distributes any events to all currently subscribed listeners.
 * @author kaigorodov
 */

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

check(List events0) {
  StreamController controller=new StreamController.broadcast();
  Stream s=controller.stream;
  
  List events1=new List();
  StreamSubscription ss1=s.listen((event){events1.add(event);});
  asyncStart();
  ss1.onDone((){
    Expect.listEquals(events0, events1);
    asyncEnd();
  });
  
  List events2=new List();
  StreamSubscription ss2=s.listen((event){events2.add(event);});
  asyncStart();
  ss2.onDone((){
    Expect.listEquals(events0, events2);
    asyncEnd();
  });
  
  for (var event in events0) {
    controller.add(event);
  }
  controller.close();
}

main() {
  check([]);
  check([1,2,null,[]]);
}