зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.1 KiB
HTML
66 строки
2.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Tests for TextTrack DOM Events</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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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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<p id="display"></p>
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<div id="content">
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</div>
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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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SpecialPowers.pushPrefEnv({"set": [["media.webvtt.enabled", true]]},
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function() {
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var video = document.createElement("video");
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video.src = "vp9cake.webm";
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video.preload = "auto";
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video.controls = true;
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var trackElement = document.createElement("track");
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trackElement.src = "sequential.vtt";
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trackElement.kind = "subtitles";
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trackElement.default = true;
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document.getElementById("content").appendChild(video);
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video.appendChild(trackElement);
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var trackElementCueChangeCount = 0;
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var trackCueChangeCount = 0;
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video.addEventListener("loadedmetadata", function run_tests() {
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// Re-queue run_tests() at the end of the event loop until the track
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// element has loaded its data.
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if (trackElement.readyState == 1) {
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return setTimeout(run_tests, 0);
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}
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is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
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ok('oncuechange' in trackElement.track, "Track::OnCueChange should exist.");
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trackElement.track.oncuechange = function() {
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++trackElementCueChangeCount;
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};
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trackElement.addEventListener("cuechange", function() {
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++trackCueChangeCount;
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});
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video.play();
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});
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video.addEventListener('ended', function() {
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// Should be fired 6 times, as there are 3 cues, with a change event
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// for when it is activated/deactivated (6 events total)
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is(trackElementCueChangeCount, 6, "TrackElement should fire cue change 6 times.");
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is(trackCueChangeCount, 6, "TrackElement.track should fire cue change 6 times.");
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SimpleTest.finish()
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})
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}
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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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