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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test Background Video Suspends</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="manifest.js"></script>
<script src="background_video.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript">
"use strict";
var manager = new MediaTestManager;
var MIN_DELAY = 100;
function testDelay(v, start, min) {
let end = performance.now();
let delay = end - start;
ok(delay >= min, `${v.token} suspended with a delay of ${delay} ms`);
}
startTest({
desc: 'Test Background Video Suspends',
prefs: [
[ "media.test.setVisible", true ],
[ "media.suspend-bkgnd-video.enabled", true ],
// User a short delay to ensure video decode suspend happens before end
// of video.
[ "media.suspend-bkgnd-video.delay-ms", MIN_DELAY ],
],
tests: gDecodeSuspendTests,
runTest: (test, token) => {
let v = appendVideoToDoc(test.name, token);
manager.started(token);
let start;
waitUntilPlaying(v)
.then(() => { start = performance.now(); })
.then(() => testVideoSuspendsWhenHidden(v))
.then(() => {
testDelay(v, start, MIN_DELAY);
return testVideoResumesWhenShown(v);
})
.then(() => waitUntilEnded(v))
.then(() => {
removeNodeAndSource(v);
manager.finished(token);
});
}
});
</script>
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