LayoutTests/media/video-seeking.html

<video controls></video>
<p>Test that seeking attribute is true in timeupdate event after seek and goes back to false when seeking completes </p>
<script src=video-test.js></script>
<script>
waitForEvent('load',
    function () 
    {
        test("!video.seeking");
        waitForEvent('timeupdate', function () {
            test("video.seeking");
            test("video.currentTime == 2");
            setTimeout(function () {
                testAndEnd("!video.seeking");
            }, 200);
        });
        run("video.currentTime = 2");
    }
);
video.src = "content/test.mp4";
</script>