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<!DOCTYPE HTML>
<html>
<head>
<title>Show 'click-to-play' icon on blocked autoplay media</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/javascript">
/**
* This test is used to check whether 'click-to-play' icon would be showed
* correctly when autoplay media is blocked.
*/
add_task(async function testShowClickToPlayWhenAutoplayMediaGetsBlocked() {
info(`setting testing pref`);
await SpecialPowers.pushPrefEnv(
{"set": [["media.autoplay.default", 1 /* BLOCKED */]]}
);
info(`create video and load resource`);
let video = document.createElement('video');
video.src = "gizmo.mp4";
document.body.appendChild(video);
info(`blocking autoplay would reject media to play`);
ok(await video.play().then(_ => false, _ => true), "Play got rejected");
info(`'click-to-play' should display when autoplay media is blocked`);
const button = SpecialPowers.wrap(video).openOrClosedShadowRoot.querySelector(".clickToPlay");
ok(!button.hidden, "Click-to-play button is not hidden");
});
</script>
</head>
<body>
</body>
</html>
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