third_party/WebKit/LayoutTests/web-animations-api/animations-responsive-opacity.html

   1 <!DOCTYPE html>
   2 <script src="../resources/testharness.js"></script>
   3 <script src="../resources/testharnessreport.js"></script>
   4 <div id='container'>
   5     <div id='element'></div>
   6 </div>
   7 <script>
   8
   9 var container = document.getElementById('container');
  10 var element = document.getElementById('element');
  11
  12 test(function() {
  13     var keyframes = [
  14         {opacity: 'inherit'},
  15         {opacity: '0.5'}
  16     ];
  17
  18     container.style.opacity = 1;
  19     var player = element.animate(keyframes, 10);
  20
  21     player.pause();
  22     player.currentTime = 5;
  23     container.style.opacity = 0.25;
  24     assert_equals(getComputedStyle(element).opacity, '0.375');
  25 }, 'Opacity responsive to inherited opacity changes');
  26
  27 </script>