| // 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 catchError(Function onError, {bool test(Object error)}) |
| /// The test function should not throw, but if it does, it is handled as if |
| /// the onError function had thrown. |
| /// @description Checks that if [test] function throws an error, then returned |
| /// future is completed with this error. |
| /// @author a.semenov@unipro.ru |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| asyncStart(); |
| new Future.error("!") |
| .catchError( |
| (Object error) { |
| Expect.fail("The onError should not be executed, if test throws"); |
| }, |
| test:(Object error){ |
| Expect.equals("!", error); |
| throw "@"; |
| } |
| ) |
| .then( |
| (Object value) { |
| Expect.fail("returned future should complete with error"); |
| }, |
| onError: (Object error){ |
| Expect.equals("@", error); |
| asyncEnd(); |
| } |
| ); |
| } |