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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /fullscreen/api/document-exit-fullscreen-timing.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Document#exitFullscreen() timing</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="../trusted-click.js"></script>
<div id="log"></div>
<script>
promise_test(async (t) => {
const div = document.querySelector("div");
await trusted_request(div);
await Promise.all([
new Promise((r) => (document.onfullscreenchange = r)),
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>