| // Copyright (c) 2015, 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. |
| |
| import "dart:async"; |
| import "package:expect/expect.dart"; |
| import "package:async_helper/async_helper.dart"; |
| |
| main() { |
| var sc; |
| var i = 0; |
| void send() { |
| if (i == 5) { |
| sc.close(); |
| } else { |
| sc.add(i++); |
| } |
| } |
| |
| sc = new StreamController<int>(onListen: send, onResume: send); |
| |
| f(Stream<int> s) async { |
| var r = 0; |
| await for (var i in s) { |
| r += await new Future.delayed(new Duration(milliseconds: 10), () => i); |
| } |
| return r; |
| } |
| |
| asyncStart(); |
| f(sc.stream).then((v) { |
| Expect.equals(10, v); |
| asyncEnd(); |
| }); |
| } |