blob: f9995b21178ab7e7a654ab1d85b5141b1b6719fe [file] [log] [blame]
// 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(
createPeriodicTimer: (Zone self, ZoneDelegate parent, Zone origin,
Duration period, f(Timer timer)) {
events.add("forked.createPeriodicTimer");
return parent.createPeriodicTimer(origin, period, (Timer timer) {
events.add("wrapped function ${period.inMilliseconds}");
f(timer);
});
}));
asyncStart();
int tickCount = 0;
forked.run(() {
new Timer.periodic(const Duration(milliseconds: 5), (Timer timer) {
events.add("periodic Timer $tickCount");
Expect.identical(forked, Zone.current);
tickCount++;
if (tickCount == 4) {
timer.cancel();
// Allow some time in case the cancel didn't work.
new Timer(const Duration(milliseconds: 20), done.complete);
}
});
});
Expect.identical(Zone.ROOT, Zone.current);
events.add("after createPeriodicTimer");
done.future.whenComplete(() {
Expect.listEquals([
"forked.createPeriodicTimer",
"after createPeriodicTimer",
"wrapped function 5",
"periodic Timer 0",
"wrapped function 5",
"periodic Timer 1",
"wrapped function 5",
"periodic Timer 2",
"wrapped function 5",
"periodic Timer 3"
], events);
asyncEnd();
});
}