Sigmund Cherem
c439c97b80
This test is flaky and causes timeouts 70% of the time in DDC. The reasons are not clear at the moment, but I noticed that the test was not properly using async-helper. This change may help improve our investigation in the near future. Change-Id: I834265dd6b898098ee7d5210ffe68ef0a6db74a0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/332280 Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Sigmund Cherem <sigmund@google.com>
65 lines
1.8 KiB
Dart
65 lines
1.8 KiB
Dart
// Copyright (c) 2012, 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.
|
|
|
|
library RequestAnimationFrameTest;
|
|
|
|
import 'dart:async';
|
|
import 'dart:html';
|
|
|
|
import 'package:async_helper/async_helper.dart';
|
|
import 'package:expect/expect.dart';
|
|
|
|
Future testOneShot() async {
|
|
final done = new Completer();
|
|
window.requestAnimationFrame(done.complete);
|
|
await done.future;
|
|
}
|
|
|
|
Future testTwoShot() async {
|
|
final done = new Completer();
|
|
window.requestAnimationFrame((timestamp1) {
|
|
window.requestAnimationFrame((timestamp2) {
|
|
// Not monotonic on Safari and IE.
|
|
// expect(timestamp2, greaterThan(timestamp1),
|
|
// reason: 'timestamps ordered');
|
|
done.complete();
|
|
});
|
|
});
|
|
await done.future;
|
|
}
|
|
|
|
// How do we test that a callback is never called? We can't wrap the uncalled
|
|
// callback with 'expectAsync'. Will request several frames and try
|
|
// cancelling the one that is not the last.
|
|
Future testCancel1() async {
|
|
final done = new Completer();
|
|
var frame1 = window.requestAnimationFrame((timestamp1) {
|
|
Expect.fail('Should have been cancelled');
|
|
});
|
|
window.requestAnimationFrame(done.complete);
|
|
window.cancelAnimationFrame(frame1);
|
|
await done.future;
|
|
}
|
|
|
|
Future testCancel2() async {
|
|
final done1 = new Completer();
|
|
final done2 = new Completer();
|
|
window.requestAnimationFrame(done1.complete);
|
|
var frame2 = window.requestAnimationFrame((timestamp2) {
|
|
Expect.fail('Should have been cancelled');
|
|
});
|
|
window.requestAnimationFrame(done2.complete);
|
|
window.cancelAnimationFrame(frame2);
|
|
await Future.wait([done1.future, done2.future]);
|
|
}
|
|
|
|
main() {
|
|
asyncTest(() async {
|
|
await testOneShot();
|
|
await testTwoShot();
|
|
await testCancel1();
|
|
await testCancel2();
|
|
});
|
|
}
|