mozilla-central/dom/media/test/test_mediacapabilities_resistfingerprinting.html

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Test Info: Errors

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test for Bug 1369309</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="manifest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript">
async function testWhetherSpoofed(resistFingerprinting) {
var unsupportedVideoConfiguration = {
contentType: 'video/bogus',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
};
var supportedVideoConfiguration = {
contentType: 'video/webm; codecs="vp09.00.10.08"',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
};
await SpecialPowers.pushPrefEnv({
"set": [
["privacy.resistFingerprinting", resistFingerprinting]
],
});
var result;
result = await navigator.mediaCapabilities.decodingInfo({
type: 'file',
video: unsupportedVideoConfiguration
});
is(result.supported, false, "video/bogus should be unsupported.");
is(result.smooth, false, "smooth is false when unsupported.");
is(result.powerEfficient, false, "powerEfficient is false when unsupported.");
result = await navigator.mediaCapabilities.decodingInfo({
type: 'file',
video: supportedVideoConfiguration
});
is(result.supported, true, "'video/webm; codecs=\"vp09.00.10.08\"' should be supported.");
if (resistFingerprinting) {
is(result.smooth, true, "smooth should be spoofed to true in RFP mode.");
is(result.powerEfficient, false, "powerEfficient should be spoofed to false in RFP mode.");
}
}
async function start() {
await testWhetherSpoofed(true);
await testWhetherSpoofed(false);
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
start();
</script>
</body>
</html>