blob: b86f14ca1431ae21e493a783292a001501ef595a [file] [log] [blame]
// 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 Stream<T> asBroadcastStream (
/// {void onListen(StreamSubscription<T> subscription),
/// void onCancel(StreamSubscription<T> subscription)})
/// Returns a multi-subscription stream that produces the same events as this.
/// If onListen is provided, it is called with a subscription-like object that
/// represents the underlying subscription to this stream. It is possible to
/// pause, resume or cancel the subscription during the call to onListen. It
/// is not possible to change the event handlers, including using
/// StreamSubscription.asFuture.
/// @description Checks that it is a runtime error to try to change event
/// handlers for underlying subscription.
/// @author ilya
/// @author
library asBroadcastStream_A03_t02;
import "dart:async";
import "../../../Utils/expect.dart";
void test(CreateStreamFunction create) {
Stream<int> s = create([1,2,3]);
s.asBroadcastStream(onListen: (StreamSubscription ss) {