| // 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)}) |
| /// If this future completes with a value, the returned future completes with |
| /// the same value. |
| /// @description Checks that if the future completes with a value, [test] |
| /// is not called and returned future is completed with the same value. |
| /// @author a.semenov@unipro.ru |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| check(value) { |
| Completer completer = new Completer(); |
| Future f = completer.future; |
| |
| asyncStart(); |
| f.catchError( |
| (Object error) { |
| Expect.fail("onError should not be called"); |
| }, |
| test: (Object error){ |
| Expect.fail("test should not be called"); |
| } |
| ).then( |
| (x) { |
| Expect.identical(value, x); |
| asyncEnd(); |
| } |
| ); |
| |
| completer.complete(value); |
| } |
| |
| main() { |
| check(0); |
| check(''); |
| check(false); |
| check([]); |
| check(new Object()); |
| check(new Exception()); |
| } |