| // 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. |
| |
| /// @assertion Stream<T> handleError(Function onError, {bool test(error)}) |
| /// The onError callback must be of type void onError(error) or |
| /// void onError(error, StackTrace stackTrace). Depending on the function type |
| /// the stream either invokes onError with or without a stack trace. The |
| /// stack trace argument might be null if the stream itself received an error |
| /// without stack trace. |
| /// @description Checks that stack trace is null if the stream received |
| /// an error without stack trace. |
| /// @author ilya |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Error error = new Error(); |
| Stream s = new Stream.fromFuture(new Future.error(error)); |
| |
| asyncStart(); |
| |
| s.handleError((e, st) { |
| Expect.identical(error, e); |
| asyncEnd(); |
| }).listen((_) {}); |
| } |