blob: 9581254ae4ff06e4afdc29bb6566b48408b4251f [file] [log] [blame]
// Copyright (c) 2017, 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 addStream(Stream<List<int>> stream)
/// Adds all elements of the given stream to this.
/// Returns a [Future] that completes when all elements of the given stream are
/// added to this.
/// @description Checks that the [stream] is added to the consumer after the
/// [addStream] method call
/// @author iarkh@unipro.ru
import "../../../Utils/expect.dart";
import "dart:async";
import "dart:io";
Stream<List<int>> aStream = new Stream<List<int>>.fromIterable(
[[1, 2, 3, 4, 5], [12], [3, 22]]);
int called = 0;
class MyStreamConsumer extends StreamConsumer<List<int>> {
Future addStream(Stream<List<int>> stream) {
Expect.equals(aStream, stream);
called++;
return new Future(() {});
}
Future close() { return new Future(() {}); }
}
test() async {
StreamConsumer consumer = new MyStreamConsumer();
IOSink sink = new IOSink(consumer);
sink.addStream(aStream);
await consumer.close();
Expect.equals(1, called);
asyncEnd();
}
main() {
asyncStart();
test();
}