LayoutTests/media/video-seeking.html

<video controls></video>
<p>Test that seeking attribute is true immediately after a seek,
 goes back to false when seeking completes, and that a 'seeked' event
 is fired for each seek
 </p>
<script src=video-test.js></script>
<script>

    var seekedCount = 0;
    var counter;

    function seeked()
    { 
        ++seekedCount; 
        consoleWrite("");
    }

    function someTimeLater()
    {
        testExpected("seekedCount", counter);
        testExpected("video.seeking", false);
        testExpected("video.currentTime", counter * 0.5);
        run("video.currentTime = " + (counter + 1) * 0.5);
        testExpected("video.seeking", true);

        if (counter == 3)
        {
            consoleWrite("");
            endTest();
        }

        ++counter;
        consoleWrite("");
     }

    function loaded() 
    {
        run("video.currentTime = 0.5");
        counter = 1;
        setTimeout(someTimeLater, 200) 
        setTimeout(someTimeLater, 400) 
        setTimeout(someTimeLater, 600) 
        consoleWrite("");
    }
    
    waitForEvent('waiting' );
    waitForEvent('seeked', seeked );
    waitForEvent('load', loaded);

    video.src = "content/test.mp4";
</script>