src-empty-string.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/media-elements/track/track-element/src-empty-string.html - WPT Dashboard Interop Dashboard

<!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>