third_party/WebKit/LayoutTests/fast/dynamic/layer-no-longer-paginated.html

   1 <script src="../../resources/run-after-layout-and-paint.js"></script>
   2 <body style="overflow: hidden;">
   3     <p>
   4         Test for <i><a href="rdar://problem/10098679">&lt;rdar://problem/10098679></a>
   5         Assertion failure in <tt>Layer::paintPaginatedChildLayer()</tt></i>.
   6     </p>
   7     <p>
   8         The test passes if it does not cause an assertion failure or a crash.
   9     </p>
  10     <!-- specifying opacity < 1 so that the transition from having columns
  11          to not having columns does not cause the layer to go away -->
  12     <div id="target" style="-webkit-column-count:2; column-count:2; column-fill:auto; opacity: 0.5; height: 20px;">
  13         <div style="position:relative;"></div>
  14     </div>
  15     <div id="widener" style="height: 10px; width: 200%;"></div>
  16     <script>
  17         function test()
  18         {
  19             document.getElementById("widener").style.removeProperty("width");
  20             document.getElementById("target").style.removeProperty("-webkit-column-count");
  21         }
  22
  23         window.scrollBy(1, 0);
  24         if (window.testRunner)
  25             testRunner.dumpAsText();
  26         runAfterLayoutAndPaint(test, true);
  27     </script>
  28 </body>