LayoutTests/media/video-buffered.html

<video controls></video>
<script src=video-test.js></script>
<script>
    testExpected("video.buffered.length", 0);
    testException("video.buffered.start(-1)", "DOMException.INDEX_SIZE_ERR");
    testException("video.buffered.end(-1)", "DOMException.INDEX_SIZE_ERR");
    testException("video.buffered.start(0)", "DOMException.INDEX_SIZE_ERR");
    testException("video.buffered.end(0)", "DOMException.INDEX_SIZE_ERR");
    waitForEvent('load', 
        function () 
        {
            testExpected("video.buffered.length", 1);
            testExpected("video.buffered.start(0)", 0);
            testExpected("video.buffered.end(0)", 0, '>');
            testException("video.buffered.start(-1)", "DOMException.INDEX_SIZE_ERR");
            testException("video.buffered.end(-1)", "DOMException.INDEX_SIZE_ERR");
            testException("video.buffered.start(1)", "DOMException.INDEX_SIZE_ERR");
            testException("video.buffered.end(1)", "DOMException.INDEX_SIZE_ERR");
            endTest();
        }
    );
    video.src = "content/test.mp4";
</script>