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<!DOCTYPE html>
<title>Track deletion during setup</title>
<script src="/common/media.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<video>
    <track src="resources/metadata.vtt">
</video>
<script>
async_test(function(t) {
    var video = document.querySelector("video");
    var track = document.querySelector("track");
    t.step_timeout(function() {
        video.parentNode.removeChild(video);
    }, 61);

    track.onload = t.step_func(function() {
        var track2 = document.createElement("track");
        video.appendChild(track2);
        t.step_timeout(t.step_func_done(), 100);
    });

    assert_equals(track.readyState, HTMLTrackElement.NONE);
    assert_equals(track.track.mode, "disabled");
    track.track.mode = "hidden";

    video.src = getVideoURI("/media/test");
});
</script>