dart-sdk/tests/lib/async/zone_create_timer_test.dart
Robert Nystrom a2b556b937 Migrate lib_2/async to NNBD.
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2020-01-09 22:04:37 +00:00

46 lines
1.2 KiB
Dart

// 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.
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(() {
new Timer(Duration.zero, () {
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 0",
"createTimer"
], events);
asyncEnd();
});
}