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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`);
}
async function runTest(test, token) {
let video = appendVideoToDocWithoutLoad(token);
manager.started(token);
let visible = waitUntilVisible(video);
let ended = nextVideoEnded(video);
let playing = nextVideoPlaying(video);
let resumes = nextVideoResumes(video);
let suspends = nextVideoSuspends(video);
Log(token, "Waiting until video becomes visible");
await visible;
Log(token, "Waiting for metadata loaded");
await loadAndWaitUntilLoadedmetadata(video, test.name);
Log(token, "Start playing");
video.play();
Log(token, "Waiting for video playing");
await playing;
let start = performance.now();
Log(token, "Set hidden");
video.setVisible(false);
Log(token, "Waiting for video suspend");
await suspends;
testDelay(video, start, MIN_DELAY);
Log(token, "Set visible");
video.setVisible(true);
Log(token, "Waiting for video resume");
await resumes;
Log(token, "Waiting for ended");
await ended;
ok(video.currentTime >= video.duration, 'current time approximates duration.');
removeNodeAndSource(video);
manager.finished(token);
}
startTest({
desc: 'Test Background Video Suspends',
prefs: [
["media.test.video-suspend", true],
["media.suspend-bkgnd-video.enabled", true],
// Use a short delay to ensure video decode suspend happens before end
// of video.
["media.suspend-bkgnd-video.delay-ms", MIN_DELAY],
["privacy.reduceTimerPrecision", false]
],
tests: gDecodeSuspendTests,
runTest
});
</script>
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