LayoutTests/media/track/audio-track.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
     <head>
         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

         <script src=../media-file.js></script>
         <script src=../video-test.js></script>
         <script>

             var addtrackEventCount = 0;

             function trackAdded(event)
             {
                 consoleWrite("EVENT(" + event.type + ")");
                 compareTracks("event.track", "video.audioTracks[" + addtrackEventCount + "]");
                 ++addtrackEventCount;
                 consoleWrite("");
             }

             function compareTracks(track1, track2)
             {
                 var equal = (eval(track1) == eval(track2));
                 reportExpected(equal, track1, "==", track2, track1);
             }

             function canplaythrough()
             {
                 consoleWrite("<br><i>** Check initial in-band track states<" + "/i>");
                 testExpected("video.audioTracks.length", 1);

                 consoleWrite("<br><i>** Unload video file, check track count<" + "/i>");
                 run("video.src = ''");
                 testExpected("video.audioTracks.length", 0);

                 consoleWrite("");
                 endTest();
             }

             function setup()
             {
                 findMediaElement();
                 video.audioTracks.addEventListener("addtrack", trackAdded);
                 video.src = findMediaFile('audio', '../content/silence');
                 waitForEvent('canplaythrough', canplaythrough);
             }

         </script>
     </head>
     <body onload="setup()">
         <video controls></video>
         <p>In-band audio tracks.</p>
     </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

	<script src=../media-file.js></script>
	<script src=../video-test.js></script>
	<script>

	var addtrackEventCount = 0;

	function trackAdded(event)
	{
	consoleWrite("EVENT(" + event.type + ")");
	compareTracks("event.track", "video.audioTracks[" + addtrackEventCount + "]");
	++addtrackEventCount;
	consoleWrite("");
	}

	function compareTracks(track1, track2)
	{
	var equal = (eval(track1) == eval(track2));
	reportExpected(equal, track1, "==", track2, track1);
	}

	function canplaythrough()
	{
	consoleWrite("<br><i>** Check initial in-band track states<" + "/i>");
	testExpected("video.audioTracks.length", 1);

	consoleWrite("<br><i>** Unload video file, check track count<" + "/i>");
	run("video.src = ''");
	testExpected("video.audioTracks.length", 0);

	consoleWrite("");
	endTest();
	}

	function setup()
	{
	findMediaElement();
	video.audioTracks.addEventListener("addtrack", trackAdded);
	video.src = findMediaFile('audio', '../content/silence');
	waitForEvent('canplaythrough', canplaythrough);
	}

	</script>
	</head>
	<body onload="setup()">
	<video controls></video>
	<p>In-band audio tracks.</p>
	</body>
	</html>