pause-remove-from-document-networkState.html

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This test has a WPT meta file that disables it given conditions:
- debug and (os == "linux") and (processor == "x86") : https://bugzilla.mozilla.org/show_bug.cgi?id=1482405
This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/media-elements/playing-the-media-resource/pause-remove-from-document-networkState.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>paused state when removing from a document when networkState is NETWORK_EMPTY</title>

<meta name="timeout" content="long" />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<video hidden></video>

<script>

// Negative test for the specified behavior prior to HTML r8447.

promise_test(async function(t) {

  var v = document.querySelector('video');

  var watcher = new EventWatcher(t, v, [ 'pause' ]);

  var p = v.play();

  await new Promise(resolve => t.step_timeout(resolve, 0));

  assert_equals(v.networkState, v.NETWORK_EMPTY,

                'networkState after stable state');

  assert_false(v.paused, 'paused after stable state');

  v.parentNode.removeChild(v);

  assert_false(v.paused, 'paused after removing');

  await watcher.wait_for('pause');

  await promise_rejects_dom(t, 'AbortError', p, 'We expect promise being rejected');

  assert_true(v.paused, 'paused after removing and stable state');

});

</script>