chromium/third_party/blink/web_tests/media/video-seek-past-end-paused.html

<!DOCTYPE html>
<title>Test that seeking a paused video past its end sets currentTime to duration and leaves the video paused.</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<video></video>
<script>
async_test(function(t) {
    var timeupdateEventCount = 0;
    var video = document.querySelector("video");
    assert_true(video.paused);
    assert_false(video.ended);

    video.ontimeupdate = t.step_func(function() {
        if (++timeupdateEventCount != 2)
            return;

        // Wait for 2 timeupdate events so we are sure the
        // media engine is playing the media.
        video.ontimeupdate = null;
        // Make sure time is advancing.
        assert_false(video.paused);
        assert_greater_than(video.currentTime, 0);
        video.onpause = t.step_func(function() {
            assert_true(video.paused);
            video.onseeked = t.step_func_done(function() {
                assert_true(video.paused);
                assert_equals(video.currentTime, video.duration);
            });

            // Seek past end.
            video.currentTime = 500;
        });

        video.pause();
    });

    video.src = "content/test.ogv";
    video.play();
});
</script>