File: src-empty-string.html

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<!DOCTYPE html>
<title>Setting HTMLTrackElement.src to the empty string fires 'error' and sets readyState to ERROR</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/media.html#sourcing-out-of-band-text-tracks">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<video></video>
<script>
async_test(t => {
  let track = document.createElement("track");
  track.src = '';
  track.default = true;
  track.onerror = t.step_func_done(() => {
    assert_equals(track.readyState, HTMLTrackElement.ERROR);
  });
  track.onload = t.unreached_func('fired load');

  assert_equals(track.readyState, HTMLTrackElement.NONE);

  document.querySelector('video').appendChild(track);
});
</script>