| // Copyright (c) 2011, 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 forEach(Iterable input, dynamic f(element)) |
| /// Any errors will cause the iteration to stop and will be piped through the |
| /// returned Future. |
| /// @description Checks that an asynchronous error in the action function |
| /// causes the iteration to stop and is piped through the returned Future. |
| /// @author a.semenov@unipro.ru |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| List log = []; |
| |
| dynamic f(element) { |
| log.add(element); |
| return element==2 ? new Future.error("@") : new Future.value(null); |
| } |
| |
| asyncStart(); |
| Future.forEach([0,1,2,3,4], f).catchError((Object error) { |
| Expect.equals("@", error); |
| Expect.listEquals([0,1,2], log); |
| asyncEnd(); |
| }); |
| } |