test_resistFingerprinting.html

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<head>

  <title></title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

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<body>

<script type="module">

add_task(async () => {

  const gTestcases = [

      resistFingerprinting : false,

      expectedSupport : false,

},

      resistFingerprinting : true,

      expectedSupport : true,

},

];

  for (var t of gTestcases) {

    // We should be able to test `VideoDecoder`, but that isn't implemented for now

    // Bug 1968022

    for (let side of [VideoEncoder]) {

        await SpecialPowers.pushPrefEnv(({

          set: [["privacy.resistFingerprinting", t.resistFingerprinting]]}));

        // This test will need to change if the test machine can encode av1 in

        // hardware, but this isn't the case right now.

        let av1_supported_hw = await side.isConfigSupported({

          codec: "av01.0.08M.08",

          width: 1280,

          height: 720,

          hardwareAcceleration: "prefer-hardware",

});

        is(av1_supported_hw.supported, t.expectedSupport,

          `AV1 hardware ${side == VideoEncoder ? "encoding" : "decoding"}

          ${t.supported ? " is" : "isn't"} supported

          ${t.resistFingerprinting ? " with" : " without"} resistfingerprinting`);

});

</script>

</body>

</html>