| // 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 (case when |
| /// eagerError: true). |
| /// @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: true, cleanUp: (v) => successful.add(v)) |
| .then( |
| (_) { |
| Expect.fail("Returned future should complete with error"); |
| }, |
| onError: (Object error) { |
| Expect.equals(1, error); |
| Expect.isTrue(completers[0].isCompleted); |
| Expect.isTrue(completers[1].isCompleted); |
| Expect.isFalse(completers[4].isCompleted); |
| Expect.listEquals([0], successful); |
| asyncEnd(); |
| } |
| ); |
| |
| completers[0].complete(0); |
| completers[1].completeError(1); |
| completers[2].completeError(2); |
| completers[3].complete(3); |
| } |