third_party/WebKit/LayoutTests/compositing/squashing/squash-three-layers.html

   1 <!DOCTYPE html>
   2 <head>
   3 <style>
   4 .composited {
   5 transform: translatez(0);
   6 }
   7
   8 .box {
   9   width: 100px;
  10   height: 100px;
  11 }
  12
  13 .behind {
  14   position: absolute;
  15   z-index: 1;
  16   top: 100px;
  17   left: 100px;
  18   background-color: blue;
  19 }
  20
  21 .middle {
  22   position: absolute;
  23   z-index: 1;
  24   top: 40px;
  25   left: 40px;
  26   background-color: lime;
  27 }
  28
  29 .middle2 {
  30   position: absolute;
  31   z-index: 1;
  32   top: 130px;
  33   left: 60px;
  34   background-color: magenta;
  35 }
  36
  37 .top {
  38   position: absolute;
  39   z-index: 1;
  40   top: 70px;
  41   left: 120px;
  42   background-color: cyan;
  43 }
  44
  45 div:hover {
  46   background-color: green;
  47 }
  48
  49 </style>
  50 <script>
  51     if (window.testRunner)
  52         testRunner.dumpAsText();
  53
  54     function runTest()
  55     {
  56         if (!window.internals) {
  57             alert('This test requires window.internals')
  58             return;
  59         }
  60
  61         document.body.textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
  62         document.body.style.whiteSpace = 'pre';
  63     }
  64 </script>
  65 </head>
  66 <body onload="runTest()">
  67 <div class="composited box behind"></div>
  68 <div class="box middle"></div>
  69 <div class="box middle2"></div>
  70 <div class="box top"></div>
  71 </body>