gecko-dev/testing/web-platform/tests/fullscreen/api/document-exit-fullscreen-timing-manual.html
Xidorn Quan 93f989c78e Bug 1492746 [wpt PR 13102] - Several fixes to manual fullscreen tests, a=testonly
Automatic update from web-platform-testsSeveral fixes to manual fullscreen tests (#13102)

These tests are made to start after onload so that iframe content
doesn't change anymore:
* fullscreen/api/element-ready-check-containing-iframe-manual.html
* fullscreen/api/element-ready-check-not-allowed-manual.html
* fullscreen/api/element-request-fullscreen-and-exit-iframe-manual.html
* fullscreen/model/move-to-fullscreen-iframe-manual.html

fullscreen/rendering/ua-style-iframe-manual.html is updated to check
each subproperties individually rather than shorthand properties.

fullscreen/api/element-request-fullscreen-timing-manual.html is changed
so that the second test starts after an animation frame to work around
Gecko throttling rAF before the first paint.

Related bugs:
https://bugzilla.mozilla.org/show_bug.cgi?id=1493878
https://github.com/w3c/csswg-drafts/issues/2529
--

wpt-commits: b3c7bf4261939cd1aba9b3264152a718b634ffa7
wpt-pr: 13102
2018-10-08 16:45:21 +00:00

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HTML

<!DOCTYPE html>
<title>Document#exitFullscreen() timing</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../trusted-click.js"></script>
<div id="log"></div>
<script>
async_test(t => {
const div = document.querySelector('div');
trusted_request(t, div);
document.onfullscreenchange = t.step_func(() => {
// We are now in fullscreen. Exit again.
assert_equals(document.fullscreenElement, div);
document.exitFullscreen();
// If fullscreenchange is an animation frame event, then animation frame
// callbacks should be run after it is fired, before the timer callback.
// The resize event should fire before the fullscreenchange event.
const events = [];
const callback = t.step_func(event => {
// fullscreenElement should have changed before either event is fired.
assert_equals(document.fullscreenElement, null, `fullscreenElement in ${event.type} event`);
events.push(event.type);
if (event.type == 'fullscreenchange') {
step_timeout(t.unreached_func('timer callback'));
requestAnimationFrame(t.step_func_done(() => {
assert_array_equals(events, ['resize', 'fullscreenchange'], 'event order');
}));
}
});
document.onfullscreenchange = window.onresize = callback;
});
}, 'Timing of fullscreenchange and resize events');
</script>