LayoutTests/media/video-controls.html

<video controls></video>
<p>Test 'controls' attribute<p>
<script src=video-test.js></script>
<script>
test("video.controls");
waitForEvent('load', function () {
    document.body.offsetTop;
    test("video.controls");
    run("video.removeAttribute('controls')");
    document.body.offsetTop;
    test("!video.controls");
    run("video.controls = true");
    document.body.offsetTop;
    test("video.getAttribute('controls') == 'controls'");
    run("video.controls = false");
    document.body.offsetTop;
    test("!video.getAttribute('controls')");
    run("video.setAttribute('controls','controls')");
    document.body.offsetTop;
    test("video.controls");
    endTest();
} );
video.src = 'content/test.mp4';
</script>