third_party/WebKit/LayoutTests/fast/repaint/invalidation-after-opacity-change-subtree.html

   1 <!doctype html>
   2 <style>
   3 #container {
   4     opacity: 0;
   5     font: 10px/1 Ahem;
   6 }
   7
   8 #absolute {
   9     position: absolute;
  10     top: 2000px;
  11     font: 50px/1 Sherif;
  12 }
  13 </style>
  14 <div id="container">
  15     <div id="absolute">
  16         <p>This test checks that switching opacity invalidates the full subtree.</p>
  17         <p>This text should be visible in the output.</p>
  18     </div>
  19 </div>
  20 <script src="resources/text-based-repaint.js"></script>
  21 <script>
  22
  23 function repaintTest() {
  24     window.scrollTo(0, 2000);
  25     container.style.opacity = "1";
  26 };
  27 runRepaintTest();
  28 </script>