зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
2.4 KiB
HTML
65 строки
2.4 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test basic functionality of VideoPlaybackQuality</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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function test() {
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var video = document.createElement("video");
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ok(video.getVideoPlaybackQuality, "getVideoPlaybackQuality should be exposed with pref set");
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var vpq = video.getVideoPlaybackQuality();
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ok(vpq, "getVideoPlaybackQuality should return an object");
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ok(vpq.creationTime <= performance.now(), "creationTime should be in the past");
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is(vpq.totalVideoFrames, 0, "totalVideoFrames should be 0");
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is(vpq.droppedVideoFrames, 0, "droppedVideoFrames should be 0");
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is(vpq.corruptedVideoFrames, 0, "corruptedVideoFrames should be 0");
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var vpq2 = video.getVideoPlaybackQuality();
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ok(vpq !== vpq2, "getVideoPlaybackQuality should return a new object");
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ok(vpq.creationTime <= vpq2.creationTime, "VideoPlaybackQuality objects should have increasing creationTime");
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var audio = document.createElement("audio");
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ok(!audio.getVideoPlaybackQuality, "getVideoPlaybackQuality should not be available on Audio elements");
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video.src = "seek.webm";
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video.play();
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video.addEventListener("ended", function () {
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vpq = video.getVideoPlaybackQuality();
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ok(vpq.creationTime <= performance.now(), "creationTime should be in the past");
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ok(vpq.totalVideoFrames > 0, "totalVideoFrames should be > 0");
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ok(vpq.droppedVideoFrames >= 0, "droppedVideoFrames should be >= 0");
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ok(vpq.droppedVideoFrames <= vpq.totalVideoFrames, "droppedVideoFrames should be <= totalVideoFrames");
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ok(vpq.corruptedVideoFrames >= 0, "corruptedVideoFrames should be >= 0");
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SpecialPowers.pushPrefEnv({"set": [["media.video_stats.enabled", false]]}, function () {
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vpq = video.getVideoPlaybackQuality();
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is(vpq.creationTime, 0, "creationTime should be 0");
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is(vpq.totalVideoFrames, 0, "totalVideoFrames should be 0");
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is(vpq.droppedVideoFrames, 0, "droppedVideoFrames should be 0");
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is(vpq.corruptedVideoFrames, 0, "corruptedVideoFrames should be 0");
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SimpleTest.finish();
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});
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});
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}
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addLoadEvent(function() {
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SpecialPowers.pushPrefEnv({"set":
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[
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["media.mediasource.enabled", true],
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]
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}, test);
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});
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</script>
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</pre>
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</body>
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</html>
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