| /* |
| * Copyright (c) 2016, 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<List> wait(Iterable<Future> futures, |
| * {bool eagerError: false, void cleanUp(successValue)}) |
| * If cleanUp is provided, in the case of an error, any non-null result of a |
| * successful future is passed to cleanUp, which can then release any resources |
| * that the successful operation allocated. |
| * @description Checks if cleanUp is provided, in the case of an error, any |
| * non-null result of a successful future is passed to cleanUp (eagerError is |
| * false). |
| * @author ngl@unipro.ru |
| * @author a.semenov@unipro.ru |
| */ |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| List<Completer> completers = new List.generate(5, (_)=> new Completer()); |
| Iterable<Future> futures = completers.map((Completer c) => c.future); |
| List successful = []; |
| |
| asyncStart(); |
| Future.wait(futures, eagerError: false, cleanUp: (v) => successful.add(v)) |
| .then( |
| (_) { |
| Expect.fail("Returned future should complete with error"); |
| }, |
| onError: (Object error) { |
| Expect.isTrue(error == 1 || error == 2, "error: $error, expected 1 or 2"); |
| Expect.isTrue(completers.fold(true, (bool r, v) => r && v.isCompleted)); |
| successful.sort(); |
| Expect.listEquals([0, 3, 4], successful); |
| asyncEnd(); |
| } |
| ); |
| |
| completers[0].complete(0); |
| completers[1].completeError(1); |
| completers[2].completeError(2); |
| completers[3].complete(3); |
| completers[4].complete(4); |
| } |