Files
sdk/tests/lib_2/html/async_cancellingisolate.dart
T
Srujan Gaddam 6ae9dedc60 Migrate html tests off of unittest.dart
Changed tests either use expect/minitest or async_helper/async_minitest
as a replacement. There are still a few outstanding tests that need to
be migrated off of unittest.dart.

Change-Id: I9231d453f61507110b5a89360dfb9e5647a5b4c7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135420
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Srujan Gaddam <srujzs@google.com>
2020-02-15 05:01:30 +00:00

32 lines
1010 B
Dart

library async_cancellingisolate;
import 'dart:async';
import 'package:expect/minitest.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');
});
}