<!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 src=../media-controls.js></script>

        <script>

        var cueDisplayElement;
        var retries = 0;
        var maxRetries = 256;
        
        function testPosition()
        {
            if (!window.internals) {
                consoleWrite("<br><b>** This test only works in DRT! **<" + "/b>");
                return;
            }

            // The textTrackDisplayElement call will fail and throw an exception if the text track display element
            // has not yet been added to the text track container element. We wait until it has been added.
            try {
                cueDisplayElement = textTrackDisplayElement(video, 'display', 0);
            } catch (exception) {
                retries++;
                if (retries > maxRetries) {
                    consoleWrite("The test failed because the text track display element was not found.");
                    endTest();
                }
                else
                    setTimeout(testPosition, 100);
                return;
            }

            consoleWrite("");
            document.body.offsetTop;
            testExpected("cueDisplayElement.offsetTop > (video.videoHeight * .70)", true);
            endTest();
        }

        function loaded()
        {
            consoleWrite("The top of the text track container should be in the bottom 30% of the video element.");

            findMediaElement();
            video.src = findMediaFile('video', '../content/test');
            waitForEvent('canplaythrough', testPosition);
        }

        setCaptionDisplayMode('Automatic');
        </script>
    </head>
    <body onload="loaded()">
        <video controls>
            <track src="captions-webvtt/captions-snap-to-lines-not-set.vtt" kind="captions" >
            <track src="captions-webvtt/simple-captions.vtt" kind="captions" >
            <track src="captions-webvtt/sorted-dispatch.vtt" kind="captions" >
            <track src="captions-webvtt/captions-fast.vtt" kind="captions" >
            <track src="captions-webvtt/captions-html.vtt" kind="captions" >
            <track src="captions-webvtt/captions.vtt" kind="captions" default>
        </video>
    </body>
</html>