src/third_party/WebKit/LayoutTests/compositing/squashing/composited-bounds-for-negative-z.html

   1 <!DOCTYPE html>
   2 <div style="transform: translateZ(0);
   3             height: 10px;
   4             width: 10px;
   5             position: absolute;
   6             background-color: red;
   7             z-index: -1"></div>
   8 <div style="margin-left: 100px;
   9             margin-top: 100px;
  10             height: 300px;
  11             width: 300px;
  12             overflow-y: scroll;">
  13     <div style="position: relative">
  14         <div style="position: relative;
  15                     height: 1000px;
  16                     background-color: lightblue">
  17         </div>
  18     </div>
  19 </div>
  20 <script>
  21 if (window.testRunner) {
  22     testRunner.dumpAsText();
  23     internals.settings.setAcceleratedCompositingForOverflowScrollEnabled(true);
  24     internals.settings.setLayerSquashingEnabled(true);
  25     testRunner.setCustomTextOutput(internals.layerTreeAsText(document));
  26 }
  27 </script>