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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test events of media track interfaces</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+ <script type="text/javascript" src="manifest.js"></script>
+</head>
+<body>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+function startTest() {
+ navigator.mozGetUserMedia({audio:true, video:true, fake:true},
+ function(stream) {
+ var element = document.createElement("video");
+
+ isnot(element.audioTracks, undefined,
+ 'HTMLMediaElement::AudioTracks() property should be available.');
+ isnot(element.videoTracks, undefined,
+ 'HTMLMediaElement::VideoTracks() property should be available.');
+
+ function verifyEvent(e, type) {
+ is(e.type, type, "Event type should be " + type);
+ ok(e.isTrusted, "Event should be trusted.");
+ ok(!e.bubbles, "Event shouldn't bubble.");
+ ok(!e.cancelable, "Event shouldn't be cancelable.");
+ }
+
+ element.audioTracks.onaddtrack = function(e) {
+ ok(e instanceof TrackEvent, "Event fired from onaddtrack should be a TrackEvent");
+ ok(true, 'onaddtrack is expected to be called from audioTracks.');
+ verifyEvent(e, "addtrack");
+ }
+
+ element.audioTracks.onremovetrack = function(e) {
+ ok(e instanceof TrackEvent, "Event fired from onremovetrack should be a TrackEvent");
+ ok(true, 'onremovetrack is expected to be called from audioTracks.');
+ verifyEvent(e, "removetrack");
+ }
+
+ element.audioTracks.onchange = function(e) {
+ ok(e instanceof window.Event, "Event fired from onchange should be a simple event.");
+ ok(true, 'onchange is expected to be called from audioTracks.');
+ verifyEvent(e, "change");
+ }
+
+ element.videoTracks.onaddtrack = function(e) {
+ ok(e instanceof TrackEvent, "Event fired from onaddtrack should be a TrackEvent");
+ ok(true, 'onaddtrack is expected to be called from videoTracks.');
+ verifyEvent(e, "addtrack");
+ }
+
+ element.videoTracks.onremovetrack = function(e) {
+ ok(e instanceof TrackEvent, "Event fired from onremovetrack should be a TrackEvent");
+ ok(true, 'onremovetrack is expected to be called from videoTracks.');
+ verifyEvent(e, "removetrack");
+ }
+
+ element.videoTracks.onchange = function(e) {
+ ok(e instanceof window.Event, "Event fired from onchange should be a simple event.");
+ ok(true, 'onchange is expected to be called from videoTracks.');
+ verifyEvent(e, "change");
+ }
+
+ function onended() {
+ ok(true, 'Event ended is expected to be fired on element.');
+ element.onended = null;
+ element.onplaying = null;
+ element.onpause = null;
+ //This helps to prevent these events from firing after SimpleTest.finish()
+ //on B2G ICS Emulator, but not sure they have been run at all, then
+ element.audioTracks.onremovetrack = null;
+ element.audioTracks.onaddtrack = null;
+ element.audioTracks.onchange = null;
+ element.videoTracks.onremovetrack = null;
+ element.videoTracks.onaddtrack = null;
+ element.videoTracks.onchange = null;
+ SimpleTest.finish();
+ }
+
+ function onpause() {
+ element.onpause = null;
+ if (element.ended) {
+ return;
+ }
+ if (steps == 1) {
+ element.audioTracks[0].enabled = false;
+ element.videoTracks[0].selected = false;
+ element.onplaying = onplaying;
+ element.play();
+ steps++;
+ }
+ }
+
+ function onplaying() {
+ element.onplaying = null;
+ if (element.ended) {
+ return;
+ }
+ if (steps == 1) {
+ element.onpause = onpause;
+ element.pause();
+ } else if (steps == 2) {
+ stream.stop();
+ }
+ }
+
+ var steps = 0;
+ element.mozSrcObject = stream;
+ element.onplaying = onplaying;
+ element.onended = onended;
+ element.play();
+ steps++;
+ },
+ function(err) {
+ ok(false, 'Unexpected error fired with: ' + err);
+ SimpleTest.finish();
+ }
+ );
+}
+
+SimpleTest.waitForExplicitFinish();
+SpecialPowers.pushPrefEnv(
+ {
+ "set": [
+ ["media.track.enabled", true]
+ ]
+ }, startTest);
+
+</script>
+</pre>
+</body>
+</html>