blob: 32e22c8e37b2aa95d1195fbdf69c90a0fa2a9dd2 [file] [log] [blame]
// 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 'package:unittest/unittest.dart';
import 'package:unittest/html_config.dart';
import 'dart:html';
main() {
useHtmlConfiguration();
test('oneShot', () {
var frame = window.requestAnimationFrame(
expectAsync((timestamp) { }));
});
test('twoShot', () {
var frame = window.requestAnimationFrame(
expectAsync((timestamp1) {
window.requestAnimationFrame(
expectAsync((timestamp2) {
// Not monotonic on Safari and IE.
// expect(timestamp2, greaterThan(timestamp1),
// reason: 'timestamps ordered');
}));
}));
});
// 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.
test('cancel1', () {
var frame1 = window.requestAnimationFrame(
(timestamp1) {
throw new Exception('Should have been cancelled');
});
var frame2 = window.requestAnimationFrame(
expectAsync((timestamp2) { }));
window.cancelAnimationFrame(frame1);
});
test('cancel2', () {
var frame1 = window.requestAnimationFrame(
expectAsync((timestamp1) { }));
var frame2 = window.requestAnimationFrame(
(timestamp2) {
throw new Exception('Should have been cancelled');
});
var frame3 = window.requestAnimationFrame(
expectAsync((timestamp3) { }));
window.cancelAnimationFrame(frame2);
});
}