| /* |
| * 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 flush() |
| * This method must not be called while an [addStream] is incomplete. |
| * @description Checks that [flush] causes error if [addStream] is currently |
| * incomplete. |
| * @author iarkh@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:async"; |
| import "dart:io"; |
| |
| class MyStreamConsumer extends StreamConsumer<List<int>> { |
| MyStreamConsumer() {} |
| Future addStream(Stream<List> stream) { return new Future(() {}); } |
| Future close() { return new Future(() => {}); } |
| } |
| |
| main() { |
| Stream<List<int>> stream = new Stream<List<int>>.fromIterable([[1, 2]]); |
| StreamConsumer consumer = new MyStreamConsumer(); |
| IOSink sink = new IOSink(consumer); |
| sink.addStream(stream).then((x) { |
| new Future.delayed(new Duration(seconds: 3)).then((_) { sink.close(); }); |
| }); |
| Expect.throws(() { sink.flush(); }, (e) => e is StateError); |
| } |