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Diffstat (limited to 'dom/media/test/test_video_stats_resistfingerprinting.html')
| -rw-r--r-- | dom/media/test/test_video_stats_resistfingerprinting.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/dom/media/test/test_video_stats_resistfingerprinting.html b/dom/media/test/test_video_stats_resistfingerprinting.html new file mode 100644 index 0000000000..2bc239b367 --- /dev/null +++ b/dom/media/test/test_video_stats_resistfingerprinting.html @@ -0,0 +1,90 @@ +<!DOCTYPE HTML> +<html> +<!-- +Mozilla Bug: +https://bugzilla.mozilla.org/show_bug.cgi?id=1369309 +Tor Ticket: +https://trac.torproject.org/projects/tor/ticket/15757 +--> +<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> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=682299">Mozilla Bug 1369309</a> +<a target="_blank" href="https://trac.torproject.org/projects/tor/ticket/15757">Tor Ticket 15757</a> + +<!-- The main testing script --> +<script class="testbody" type="text/javascript"> + var manager = new MediaTestManager; + const SPOOFED_FRAMES_PER_SECOND = 30; + const SPOOFED_DROPPED_RATIO = 0.05; + const MS_PER_TIME_ATOM = 100; // Not the default anymore, but what we test here. + // Push the setting of 'privacy.resistFingerprinting' into gTestPrefs, which + // will be set during MediaTestManager.runTests(). + gTestPrefs.push( + ["privacy.resistFingerprinting", true], + ["privacy.resistFingerprinting.reduceTimerPrecision.microseconds", MS_PER_TIME_ATOM * 1000], + ["privacy.resistFingerprinting.reduceTimerPrecision.jitter", false], + // We use 240p as the target resolution since 480p is greater than every video + // source in our test suite, so we need to use 240p here for allowing us to + // test dropped rate here. + ["privacy.resistFingerprinting.target_video_res", 240] + ); + var testCases = [ + { name:"320x240.ogv", type:"video/ogg", width:320, height:240, duration:0.266, drop: false }, + { name:"seek.webm", type:"video/webm", width:320, height:240, duration:3.966, drop: false }, + { name:"gizmo.mp4", type:"video/mp4", width:560, height:320, duration:5.56, drop: true } + ]; + + function checkStats(v, shouldDrop) { + // Rounding the current time to 100ms. + const secondsPerAtom = MS_PER_TIME_ATOM / 1000; + const currentTimeAtoms = Math.floor(v.currentTime / secondsPerAtom); + const currentTime = currentTimeAtoms * secondsPerAtom; + let dropRate = 0; + + if (shouldDrop) { + dropRate = SPOOFED_DROPPED_RATIO; + } + + is(v.mozParsedFrames, parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND, 10), + "mozParsedFrames should be spoofed if fingerprinting resistance is enabled"); + is(v.mozDecodedFrames, parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND, 10), + "mozDecodedFrames should be spoofed if fingerprinting resistance is enabled"); + is(v.mozPresentedFrames, + parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND * (1 - dropRate), 10), + "mozPresentedFrames should be spoofed if fingerprinting resistance is enabled"); + is(v.mozPaintedFrames, + parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND * (1 - dropRate), 10), + "mozPaintedFrames should be spoofed if fingerprinting resistance is enabled"); + is(v.mozFrameDelay, 0.0, + "mozFrameDelay should be 0.0 if fingerprinting resistance is enabled"); + let playbackQuality = v.getVideoPlaybackQuality(); + is(playbackQuality.totalVideoFrames, parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND, 10), + "VideoPlaybackQuality.totalVideoFrames should be spoofed if fingerprinting resistance is enabled"); + is(playbackQuality.droppedVideoFrames, parseInt(currentTime * SPOOFED_FRAMES_PER_SECOND * dropRate, 10), + "VideoPlaybackQuality.droppedVideoFrames should be spoofed if fingerprinting resistance is enabled"); + } + + function startTest(test, token) { + let v = document.createElement("video"); + v.token = token; + v.src = test.name; + manager.started(token); + once(v, "ended", () => { + checkStats(v, test.drop); + removeNodeAndSource(v); + manager.finished(v.token); + }); + v.play(); + } + + manager.runTests(testCases, startTest); + +</script> +</body> +</html> |