third_party/WebKit/LayoutTests/fast/css/remove-class-name.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <style>
   4 .b .a { background-color: red; }
   5 </style>
   6 <div class="b"><div class="a">You should see no red.</div></div>
   7 <script>
   8 description("Removing a class affected by a selector.");
   9
  10 document.body.offsetLeft; // force style recalc
  11 document.getElementsByTagName("div")[1].className = "";
  12 shouldBe("getComputedStyle(document.getElementsByTagName('div')[1], null).backgroundColor", "'rgba(0, 0, 0, 0)'");
  13 </script>