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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="mediaStreamPlayback.js"></script>
</head>
<body>
<pre id="test">
<script>
createHTML({
title: "SetSinkId in HTMLMediaElement",
bug: "934425",
});
/**
* Run a test to verify set sink id in audio element.
*/
runTest(async () => {
await pushPrefs(["media.setsinkid.enabled", true]);
if (!SpecialPowers.getCharPref("media.audio_loopback_dev", "")) {
ok(false, "No loopback device set by framework. Try --use-test-media-devices");
return;
}
const allDevices = await navigator.mediaDevices.enumerateDevices();
const audioDevices = allDevices.filter(({kind}) => kind == 'audiooutput');
info(`Found ${audioDevices.length} output devices`);
ok(audioDevices.length > 0, "More than one output device found");
const audio = createMediaElement("audio", "audio");
document.body.appendChild(audio);
is(audio.sinkId, "", "Initial value is empty string");
const p = audio.setSinkId(audioDevices[0].deviceId);
is(audio.sinkId, "", "Value is unchanged upon function return");
is(await p, undefined, "promise resolves with undefined");
is(audio.sinkId, audioDevices[0].deviceId, `Sink device is set, id: ${audio.sinkId}`);
await audio.setSinkId(audioDevices[0].deviceId);
ok(true, `Sink device is set for 2nd time for the same id: ${audio.sinkId}`);
try {
await audio.setSinkId("dummy sink id");
ok(false, "Never enter here, this must fail");
} catch (error) {
ok(true, `Set sink id expected to fail: ${error}`);
is(error.name, "NotFoundError", "Verify correct error");
}
});
</script>
</pre>
</body>
</html>
|
