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+
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for Bug 893309 - Implement TrackEvent</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" style="display: none">
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+
+var video = document.createElement("video");
+isnot(video.textTracks, undefined, "HTMLMediaElement::TextTrack() property should be available.")
+ok(typeof video.addTextTrack == "function", "HTMLMediaElement::AddTextTrack() function should be available.")
+
+var trackList = video.textTracks;
+is(trackList.length, 0, "Length should be 0.");
+
+var evtTextTrack, numOfCalls = 0, tt;
+trackList.onaddtrack = function(event) {
+  ok(event instanceof TrackEvent, "Fired event from onaddtrack should be a TrackEvent");
+  is(event.type, "addtrack", "Event type should be addtrack");
+  ok(event.isTrusted, "Event should be trusted!");
+  ok(!event.bubbles, "Event shouldn't bubble!");
+  ok(!event.cancelable, "Event shouldn't be cancelable!");
+
+  evtTextTrack = event.track;
+  tt = textTrack[numOfCalls].track || textTrack[numOfCalls];
+
+  ok(tt === evtTextTrack, "Text tracks should be the same");
+  is(evtTextTrack.label, label[numOfCalls], "Label should be set to "+ label[numOfCalls]);
+  is(evtTextTrack.language, language[numOfCalls], "Language should be " + language[numOfCalls]);
+  is(evtTextTrack.kind, kind[numOfCalls], "Kind should be " + kind[numOfCalls]);
+
+  if (++numOfCalls == 4) {
+    SimpleTest.finish();
+  }
+};
+
+var label = ["Oasis", "Coldplay", "t.A.T.u", ""];
+var language = ["en-CA", "en-GB", "ru", ""];
+var kind = ["subtitles", "captions", "chapters", "subtitles"];
+
+var textTrack = new Array(4);
+for (var i = 0; i < 3; ++i) {
+  textTrack[i] = video.addTextTrack(kind[i], label[i], language[i]);
+  is(trackList.length, i + 1, "Length should be " + (i+1));
+}
+
+video.src = "seek.webm";
+video.preload = "auto";
+var trackElement = document.createElement("track");
+trackElement.src = "basic.vtt";
+textTrack[3] = trackElement;
+
+document.getElementById("content").appendChild(video);
+video.appendChild(trackElement);
+
+//TODO: Tests for removetrack event to be added along with bug 882677
+</script>
+</pre>
+</body>
+</html>