src/third_party/WebKit/LayoutTests/compositing/overflow/build-paint-order-lists-part-4.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5   <link rel="stylesheet" href="resources/build-paint-order-lists.css">
   6   <script src="resources/automatically-opt-into-composited-scrolling.js"></script>
   7   <script src="resources/build-paint-order-lists.js"></script>
   8   <script>
   9     // Tests set 3 of paint order permutations, ensuring that in each layout in
  10     // the permutation set, the paint orders as returned by
  11     // paintOrderListBeforePromote() and paintOrderListAfterPromote() match the
  12     // actual stacking orders before and after being promoted to stacking
  13     // containers.
  14     //
  15     // Note that permutation set 3 specifically tests the permutations for which
  16     // the 'sibling' is placed at the index 3 of the paint order.
  17     if (window.internals) {
  18       window.internals.settings.setAcceleratedCompositingForOverflowScrollEnabled(true);
  19       window.internals.settings.setCompositorDrivenAcceleratedScrollingEnabled(false);
  20     }
  21
  22     function doTest()
  23     {
  24       buildDom();
  25       runPaintOrderPermutationSet(3);
  26     }
  27
  28     window.addEventListener('load', doTest, false);
  29   </script>
  30 </head>
  31
  32 <body>
  33 </body>
  34 </html>