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<!DOCTYPE html>
<html>
<title>Test the video.requestVideoFrameCallback() API for non visible video elements.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<body>
</body>
<script>
var testVideo = {
url: getVideoURI('/media/movie_5'),
height: 240,
width: 320,
}
promise_test(async function(t) {
let done;
const promise = new Promise(resolve => done = resolve);
let video = document.createElement('video');
video.requestVideoFrameCallback(done);
video.src = testVideo.url;
await video.play();
return promise;
}, 'Test a video outside of the DOM can still use video.rVFC.');
function rvfcStyleTest(applyStyle, description) {
promise_test(async function(t) {
let done;
const promise = new Promise(resolve => done = resolve);
let video = document.createElement('video');
document.body.appendChild(video);
applyStyle(video);
video.requestVideoFrameCallback(
t.step_func( _ => {
// Make sure we can receive more than one callback.
video.requestVideoFrameCallback(done);
})
);
video.src = testVideo.url;
await video.play();
return promise;
}, description);
}
rvfcStyleTest((video) => { video.style.display = "none"},
'Test video.rVFC works with "display:none".');
rvfcStyleTest((video) => { video.style.visibility = "hidden"},
'Test video.rVFC works with "visibility:hidden".');
</script>
</html>
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