| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Future<T> whenComplete(action()) |
| /// If the call to action throws, then f is completed with the thrown error. |
| /// @description Checks that if the call to action throws, |
| /// then f is completed with the thrown error. |
| /// @author kaigorodov |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| int value = 20; |
| |
| Completer completer = new Completer(); |
| Future f0 = completer.future; |
| f0.whenComplete( |
| () { |
| throw value; |
| } |
| ).catchError( |
| (Object error) { |
| Expect.equals(value, error); |
| asyncEnd(); |
| } |
| ); |
| |
| asyncStart(); |
| completer.complete(0); |
| } |
| |