blob: 5a957825ae48077953d763840e5a0c7568ef69ef [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.
/// The returned stream will subscribe to this stream when its first subscriber
/// is added, and will stay subscribed until this stream ends, or a callback
/// cancels the subscription.
/// @description Checks that if this stream is single-subscription,
/// returned stream is indeed a broadcast stream.
/// @author kaigorodov
library asBroadcastStream_A01_t02;
import "dart:async";
import "../../../Utils/expect.dart";
void test(CreateStreamFunction create) {
Stream s1 = create([]);
Stream s2 = s1.asBroadcastStream();
Stream s3 = s2.asBroadcastStream();