| // Copyright (c) 2017, 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.delayed(Duration duration, [dynamic computation()]) |
| /// Creates a future that runs its computation after a delay. |
| /// The computation will be executed after the given duration has passed, and |
| /// the future is completed with the result. If the duration is 0 or less, it |
| /// completes no sooner than in the next event-loop iteration. |
| /// @description Checks that if the duration is 0 or less, the future |
| /// completes no sooner than in the next event-loop iteration. |
| /// @author a.semenov@unipro.ru |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| bool computationStarted = false; |
| asyncStart(); |
| new Future.delayed(Duration.zero, () {computationStarted = true;}) |
| .then((v) { |
| Expect.isTrue(computationStarted); |
| asyncEnd(); |
| }); |
| Expect.isFalse(computationStarted); |
| } |