| /* |
| * 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. |
| */ |
| /** |
| * @assertion Future close() |
| * Close the target consumer. |
| * @description Checks that target consumer gets closed after the [IOSink.close] |
| * @author iarkh@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:async"; |
| import "dart:io"; |
| |
| int closed = 0; |
| |
| class MyStreamConsumer extends StreamConsumer<List<int>> { |
| Future addStream(Stream<List<int>> stream) { |
| return new Future(() {}); |
| } |
| |
| Future close() { |
| return new Future(() {}).then((x) { |
| closed++; |
| }); |
| } |
| } |
| |
| main() async { |
| Stream<List<int>> stream = new Stream<List<int>>.fromIterable([ |
| [1, 2], |
| [12], |
| [3, 22] |
| ]); |
| StreamConsumer<List<int>> consumer = new MyStreamConsumer(); |
| IOSink sink = new IOSink(consumer); |
| await sink.addStream(stream); |
| Expect.equals(0, closed); |
| await sink.close(); |
| Expect.equals(1, closed); |
| } |