| // Copyright (c) 2013, 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 'package:expect/expect.dart'; |
| import 'package:async_helper/async_helper.dart'; |
| import 'dart:async'; |
| |
| main() { |
| var controller; |
| controller = new StreamController(onListen: () { |
| controller.add(499); |
| controller.close(); |
| }); |
| asyncStart(); |
| controller.stream |
| .map((e) { throw "error"; }) |
| .listen((_) { throw "should never be reached"; }, |
| onError: (e, st) { |
| Expect.equals("error", e); |
| Expect.isNotNull(st); |
| }, |
| onDone: () { |
| asyncEnd(); |
| }); |
| } |