third_party/WebKit/LayoutTests/fast/css/invalidation/indeterminate-pseudo.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/js-test.js"></script>
   3 <style>
   4 :indeterminate { background-color: green }
   5 input + div { color: pink }
   6 </style>
   7 <input id="checkbox" type="checkbox"></input>
   8 <div>
   9     <div></div>
  10     <div></div>
  11     <div></div>
  12     <div></div>
  13 </div>
  14 <script>
  15 description("Use descendant invalidation set for :indeterminate pseudo class.")
  16
  17 var transparent = "rgba(0, 0, 0, 0)";
  18 var green = "rgb(0, 128, 0)";
  19
  20 shouldBe("getComputedStyle(checkbox, '').backgroundColor", "transparent");
  21
  22 checkbox.offsetTop; // Force recalc.
  23
  24 checkbox.indeterminate = true;
  25
  26 if (window.internals)
  27     shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");
  28
  29 shouldBe("getComputedStyle(checkbox, '').backgroundColor", "green");
  30 </script>