| // 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 void handleUncaughtError(error, StackTrace stackTrace) |
| /// Handles uncaught asynchronous errors. |
| /// @description Checks that handleUncaughtError callback can be set via |
| /// ZoneSpecification and that correct callback is invoked. Async case. |
| /// @author ilya |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| int count = 0; |
| var stackTraces={}; |
| |
| HandleUncaughtErrorHandler newHandler() { |
| int id = ++count; |
| return (Zone self, ZoneDelegate parent, Zone zone, e, st) { |
| Expect.identical(id, e); |
| Expect.identical(stackTraces[id], st); |
| asyncEnd(); |
| }; |
| } |
| |
| Zone newErrorZone(Zone z) => |
| z.fork(specification: new ZoneSpecification(handleUncaughtError: newHandler())); |
| |
| void test() { |
| try { |
| throw count; // i-th error should be caught by i-th handler |
| } catch (e, st) { |
| stackTraces[count] = st; |
| |
| asyncMultiStart(2); |
| |
| new Future.error(e,st); |
| |
| runZoned(() { |
| // in same error zone as parent zone |
| new Future.error(e,st); |
| }); |
| } |
| |
| if (count < 10) { |
| newErrorZone(Zone.current).run(test); |
| } |
| } |
| |
| main() { |
| newErrorZone(Zone.current).run(test); |
| } |