| // Copyright (c) 2013, 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 |
| |
| import 'package:async_helper/async_helper.dart'; |
| import "package:expect/expect.dart"; |
| import 'dart:async'; |
| |
| main() { |
| asyncStart(); |
| var errorFuture = new Future.error(499); |
| errorFuture.catchError((x) { |
| Expect.equals(499, x); |
| var valueChainFuture = new Future.sync(() => errorFuture); |
| // The errorFuture must not be propagated immediately as we would otherwise |
| // not have time to catch the error. |
| valueChainFuture.catchError((error) { |
| Expect.equals(499, error); |
| asyncEnd(); |
| }); |
| }); |
| } |