mirror of
https://github.com/dart-lang/sdk
synced 2024-10-14 13:08:10 +00:00
144398d233
BUG= R=terry@google.com Review URL: https://codereview.chromium.org//975213002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@44241 260f80e4-7a28-3924-810f-c04153c831b5
31 lines
1,011 B
Dart
31 lines
1,011 B
Dart
library async_cancellingisolate;
|
|
|
|
import 'dart:async';
|
|
import 'package:unittest/unittest.dart';
|
|
|
|
main(message, replyTo) {
|
|
var command = message.first;
|
|
expect(command, 'START');
|
|
var shot = false;
|
|
var oneshot;
|
|
var periodic;
|
|
periodic = new Timer.periodic(const Duration(milliseconds: 10), (timer) {
|
|
expect(shot, isFalse);
|
|
shot = true;
|
|
expect(timer, same(periodic));
|
|
periodic.cancel();
|
|
oneshot.cancel();
|
|
// Wait some more time to be sure callbacks won't be invoked any
|
|
// more.
|
|
new Timer(const Duration(milliseconds: 50), () {
|
|
replyTo.send('DONE');
|
|
});
|
|
});
|
|
// We launch the oneshot timer after the periodic timer. Otherwise a
|
|
// (very long) context switch could make this test flaky: assume the
|
|
// oneshot timer is created first and then there is a 30ms context switch.
|
|
// when the periodic timer is scheduled it would execute after the oneshot.
|
|
oneshot = new Timer(const Duration(milliseconds: 30), () {
|
|
fail('Should never be invoked');
|
|
});
|
|
} |