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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Tests for TextTrack DOM Events</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var video = document.createElement("video");
video.src = "vp9cake.webm";
video.preload = "auto";
video.controls = true;
var trackElement = document.createElement("track");
trackElement.src = "sequential.vtt";
trackElement.kind = "subtitles";
trackElement.default = true;
document.getElementById("content").appendChild(video);
video.appendChild(trackElement);
var trackElementCueChangeCount = 0;
var trackCueChangeCount = 0;
var cueEnterCount = 0;
var cueExitCount = 0;
video.addEventListener("loadedmetadata", function run_tests() {
// Re-queue run_tests() at the end of the event loop until the track
// element has loaded its data.
if (trackElement.readyState == 1) {
setTimeout(run_tests, 0);
return;
}
is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
ok('oncuechange' in trackElement.track, "Track::OnCueChange should exist.");
var textTrack = trackElement.track;
is(textTrack.cues.length, 3, "textTrack.cues.length should 3.");
textTrack.cues[0].onenter = function() {
++cueEnterCount;
};
textTrack.cues[0].onexit = function() {
++cueExitCount;
};
textTrack.cues[1].onenter = function() {
++cueEnterCount;
};
textTrack.cues[1].onexit = function() {
++cueExitCount;
};
textTrack.cues[2].onenter = function() {
++cueEnterCount;
};
textTrack.cues[2].onexit = function() {
++cueExitCount;
};
trackElement.track.oncuechange = function() {
++trackElementCueChangeCount;
};
trackElement.addEventListener("cuechange", function() {
++trackCueChangeCount;
});
video.play();
});
video.addEventListener('ended', function() {
// Should be fired 1 to 6 times, as there are 3 cues,
// with a change event for when it is activated/deactivated
// (6 events at most).
isnot(trackElementCueChangeCount, 0, "TrackElement should fire cue change at least one time.");
ok(trackElementCueChangeCount <= 6, 'trackElementCueChangeCount should <= 6');
isnot(trackCueChangeCount, 0, "TrackElement.track should fire cue change at least one time.");
ok(trackCueChangeCount <= 6, 'trackCueChangeCount should <= 6');
is(cueEnterCount, 3, "cueEnterCount should fire three times.");
is(cueExitCount, 3, "cueExitCount should fire three times.");
SimpleTest.finish()
});
</script>
</pre>
</body>
</html>
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