зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.6 KiB
HTML
85 строки
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=654550
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-->
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<head>
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<title>Test for Bug 654550</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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<script type="text/javascript" src="manifest.js"></script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=654550">Mozilla Bug 654550</a>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/* Test for Bug 654550 */
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// Parallel test must be disabled for media.video_stats.enabled is a global setting
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// to prevent the setting from changing unexpectedly in the middle of the test.
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PARALLEL_TESTS = 1;
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SimpleTest.waitForExplicitFinish();
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var manager = new MediaTestManager;
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function checkStats(v, aShouldBeEnabled) {
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if (aShouldBeEnabled) {
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ok(v.mozParsedFrames != 0,
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"At least one value should be different from 0 if stats are enabled");
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} else {
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ok(!v.mozParsedFrames,
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"mozParsedFrames should be 0 if stats are disabled");
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ok(!v.mozDecodedFrames,
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"mozDecodedFrames should be 0 if stats are disabled");
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ok(!v.mozPresentedFrames,
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"mozPresentedFrames should be 0 if stats are disabled");
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ok(!v.mozPaintedFrames,
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"mozPaintedFrames should be 0 if stats are disabled");
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}
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}
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function ontimeupdate_statsEnabled(event) {
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var v = event.target;
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v.removeEventListener('timeupdate', ontimeupdate_statsEnabled);
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checkStats(v, true);
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SpecialPowers.popPrefEnv(
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function() {
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v.addEventListener("timeupdate", ontimeupdate_statsDisabled);
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});
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}
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function ontimeupdate_statsDisabled(event) {
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var v = event.target;
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v.removeEventListener('timeupdate', ontimeupdate_statsDisabled);
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checkStats(v, false);
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removeNodeAndSource(v);
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manager.finished(v.token);
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}
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function startTest(test, token) {
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var v = document.createElement('video');
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v.token = token;
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v.src = test.name;
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// playback may reach the end before pref is changed for the duration is short
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// set 'loop' to true to keep playing so that we won't miss 'timeupdate' events
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v.loop = true;
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manager.started(token);
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SpecialPowers.pushPrefEnv({"set": [["media.video_stats.enabled", true]]},
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function() {
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v.play();
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v.addEventListener("timeupdate", ontimeupdate_statsEnabled);
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});
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}
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SpecialPowers.pushPrefEnv({"set": [["media.video_stats.enabled", false]]},
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function() {
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manager.runTests(gVideoTests, startTest);
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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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