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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="mediaStreamPlayback.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "2063642",
title: "getUserMedia records the actually granted media source, not just the requested one",
});
const Services = SpecialPowers.Services;
async function gleanResetTestValues() {
return SpecialPowers.spawnChrome([], async () => {
await Services.fog.testFlushAllChildren();
Services.fog.testResetFOG();
});
}
async function grantedCountFor(label) {
await SpecialPowers.spawnChrome([], async () => {
await Services.fog.testFlushAllChildren();
});
return (
(await GleanTest.webrtc.getUserMediaSourceGranted[label].testGetValue()) ??
0
);
}
async function checkGrant(constraints, label, description) {
const before = await grantedCountFor(label);
const stream = await getUserMedia(constraints);
const after = await grantedCountFor(label);
is(after, before + 1, description);
for (const track of stream.getTracks()) {
track.stop();
}
}
runTest(async () => {
await gleanResetTestValues();
await checkGrant(
{ video: true },
"camera",
"Granting a plain video gUM request should record a camera grant"
);
await checkGrant(
{ audio: true },
"microphone",
"Granting a plain audio gUM request should record a microphone grant"
);
});
</script>
</pre>
</body>
</html>