| // 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:expect/expect.dart'; |
| import 'package:async_helper/async_helper.dart'; |
| import 'dart:async'; |
| |
| main() { |
| Completer done = new Completer(); |
| List events = []; |
| |
| Expect.identical(Zone.root, Zone.current); |
| Zone forked; |
| forked = Zone.current.fork(specification: new ZoneSpecification(createTimer: |
| (Zone self, ZoneDelegate parent, Zone origin, Duration duration, f()) { |
| events.add("forked.createTimer"); |
| return parent.createTimer(origin, duration, () { |
| events.add("wrapped function ${duration.inMilliseconds}"); |
| f(); |
| }); |
| })); |
| |
| asyncStart(); |
| forked.run(() { |
| Timer timer = new Timer(const Duration(milliseconds: 20), () { |
| events.add("createTimer"); |
| Expect.identical(forked, Zone.current); |
| done.complete(true); |
| }); |
| }); |
| |
| Expect.identical(Zone.root, Zone.current); |
| events.add("after createTimer"); |
| |
| done.future.whenComplete(() { |
| Expect.listEquals([ |
| "forked.createTimer", |
| "after createTimer", |
| "wrapped function 20", |
| "createTimer" |
| ], events); |
| asyncEnd(); |
| }); |
| } |