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<!DOCTYPE HTML>
<!-- Any copyright is dedicated to the Public Domain.
- https://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
<head>
<title>Video controls test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content">
<video width="320" height="240" id="video" controls></video>
</div>
<div id="host"></div>
<pre id="test">
<script class="testbody">
add_task(async function test_src_change() {
const video = document.getElementById("video");
function changeMediaSource(src) {
let loaded = new Promise((resolve) => video.addEventListener("loadeddata", resolve, { once: true }));
video.src = src;
return loaded;
}
const muteButton = getElementWithinVideo(video, "muteButton");
await changeMediaSource("video.webm");
ok(muteButton.hasAttribute("noAudio"), "noAudio attribute is present when the video has no audio track");
ok(muteButton.disabled, "Mute button is disabled when the video has no audio track");
await changeMediaSource("seek_with_sound.webm");
ok(!muteButton.hasAttribute("noAudio"), "noAudio attribute is not present when the video has an audio track");
ok(!muteButton.disabled, "Mute button is enabled when the video has an audio track");
await changeMediaSource("video.webm");
ok(muteButton.hasAttribute("noAudio"), "noAudio attribute is present when the video has no audio track")
ok(muteButton.disabled, "Mute button is disabled when the video has no audio track");
});
</script>
</pre>
</body>
</html>
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