Bug 1033144 - Part 2: Add tests for TextTrack cuechange event. r=rillian

This commit is contained in:
Ruxton 2016-03-02 10:34:22 -08:00 committed by Ralph Giles
parent 24b291374f
commit e8669ba74e
3 changed files with 77 additions and 0 deletions

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@ -488,6 +488,7 @@ support-files =
seek_support.js
seekLies.sjs
seek_with_sound.ogg^headers^
sequential.vtt
short-cenc.mp4
sine.webm
sine.webm^headers^
@ -841,6 +842,7 @@ tags=msg capturestream
tags=msg capturestream
[test_texttrack.html]
[test_texttrackcue.html]
[test_texttrackevents_video.html]
[test_texttracklist.html]
[test_texttrackregion.html]
[test_timeupdate_small_files.html]

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@ -0,0 +1,10 @@
WEBVTT
00:01.000 --> 00:02.000
This
00:03.000 --> 00:04.000
Is
00:05.000 --> 00:06.000
A Test

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@ -0,0 +1,65 @@
<!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 type="text/javascript" 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();
SpecialPowers.pushPrefEnv({"set": [["media.webvtt.enabled", true]]},
function() {
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;
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) {
return setTimeout(run_tests, 0);
}
is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
ok('oncuechange' in trackElement.track, "Track::OnCueChange should exist.");
trackElement.track.oncuechange = function() {
++trackElementCueChangeCount;
};
trackElement.addEventListener("cuechange", function() {
++trackCueChangeCount;
});
video.play();
});
video.addEventListener('ended', function() {
// Should be fired 6 times, as there are 3 cues, with a change event
// for when it is activated/deactivated (6 events total)
is(trackElementCueChangeCount, 6, "TrackElement should fire cue change 6 times.");
is(trackCueChangeCount, 6, "TrackElement.track should fire cue change 6 times.");
SimpleTest.finish()
})
}
);
</script>
</pre>
</body>
</html>