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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1281418 - Change the src attribue for TrackElement.</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" style="display: none">
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+
+SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
+ function() {
+ var video = document.createElement("video");
+ video.src = "seek.webm";
+ video.preload = "metadata";
+ var trackElement = document.createElement("track");
+ trackElement.src = "basic.vtt";
+ trackElement.default = true;
+
+ document.getElementById("content").appendChild(video);
+ video.appendChild(trackElement);
+
+ video.addEventListener("loadedmetadata", function metadata() {
+ if (trackElement.readyState <= 1) {
+ return setTimeout(metadata, 0);
+ }
+ is(video.textTracks.length, 1, "Length should be 1.");
+ is(video.textTracks[0].cues.length, 6, "Cue length should be 6.");
+
+ trackElement.src = "sequential.vtt";
+ trackElement.track.mode = "showing";
+ video.play();
+ });
+
+ video.addEventListener("ended", function end() {
+ is(trackElement.readyState, 2, "readyState should be 2.")
+ is(video.textTracks.length, 1, "Length should be 1.");
+ is(video.textTracks[0].cues.length, 3, "Cue length should be 3.");
+ SimpleTest.finish();
+ });
+});
+</script>
+</pre>
+</body>
+</html>
+