third_party/WebKit/LayoutTests/fast/css/recalc-inherit-001.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <style>
   4     div { color: black; }
   5 </style>
   6 <div id="t">
   7     <div>
   8         <div></div>
   9         <div></div>
  10         <div></div>
  11         <div></div>
  12         <div></div>
  13         <div></div>
  14         <div></div>
  15         <div></div>
  16         <div></div>
  17         <div></div>
  18         <div></div>
  19         <div></div>
  20         <div></div>
  21         <div></div>
  22     </div>
  23 </div>
  24 <script>
  25 if (window.testRunner)
  26     testRunner.dumpAsText();
  27
  28 description("Check that we don't do unnecessary style recalcs for inheritance.");
  29
  30 if (window.internals)
  31     internals.updateStyleAndReturnAffectedElementCount();
  32
  33 document.getElementById("t").style.color = "pink";
  34
  35 if (window.internals)
  36     shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");
  37 </script>