tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resource-selection-remove-source.html (1113B)

      1 <!doctype html>
      2 <title>Changes to networkState when inserting and removing a &lt;source></title>
      3 <script src="/resources/testharness.js"></script>
      4 <script src="/resources/testharnessreport.js"></script>
      5 <div id=log></div>
      6 <script>
      7 var v;
      8 var t = async_test(function(t) {
      9  v = document.createElement('video');
     10  assert_equals(v.networkState, v.NETWORK_EMPTY, 'networkState when creating the element');
     11  v.appendChild(document.createElement('source')); // runs resource selection algorithm
     12  assert_equals(v.networkState, v.NETWORK_NO_SOURCE, 'networkState when inserting a source element');
     13  v.removeChild(v.firstChild);
     14  assert_equals(v.networkState, v.NETWORK_NO_SOURCE, 'networkState after removing the source element');
     15 });
     16 </script>
     17 <!-- now resource selection will continue its sync section (the </script> tag below provides a stable state) -->
     18 <!-- will find neither src nor source, so sets networkState to NETWORK_EMPTY -->
     19 <script>
     20 t.step(function() {
     21  assert_equals(v.networkState, v.NETWORK_EMPTY, 'networkState after letting the sync section of resource selection run');
     22  t.done();
     23 });
     24 </script>