Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
48 lines
1.3 KiB
Dart
48 lines
1.3 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import 'package:expect/expect.dart';
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import 'package:async_helper/async_helper.dart';
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import 'dart:async';
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main() {
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Completer done = new Completer();
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List events = [];
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Expect.identical(Zone.root, Zone.current);
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Zone forked;
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forked = Zone.current.fork(specification: new ZoneSpecification(createTimer:
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(Zone self, ZoneDelegate parent, Zone origin, Duration duration, f()) {
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events.add("forked.createTimer");
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return parent.createTimer(origin, duration, () {
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events.add("wrapped function ${duration.inMilliseconds}");
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f();
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});
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}));
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asyncStart();
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forked.run(() {
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Timer timer = new Timer(const Duration(milliseconds: 20), () {
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events.add("createTimer");
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Expect.identical(forked, Zone.current);
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done.complete(true);
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});
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});
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Expect.identical(Zone.root, Zone.current);
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events.add("after createTimer");
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done.future.whenComplete(() {
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Expect.listEquals([
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"forked.createTimer",
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"after createTimer",
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"wrapped function 20",
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"createTimer"
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], events);
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asyncEnd();
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});
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}
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