third_party/WebKit/LayoutTests/fast/css/first-child-display-change-inverse.html

   1 <style>
   2 .display-when-first-child { display: none; }
   3 .display-when-first-child:first-child { display: block; }
   4 </style>
   5 <div class="display-when-first-child">FAIL</div>
   6 <script>
   7 var test = document.createElement('div');
   8 document.body.insertBefore(test, document.body.firstChild);
   9 if (document.body.innerText.indexOf('FAIL') < 0)
  10     test.innerText = 'PASS';
  11 if (window.testRunner)
  12     testRunner.dumpAsText();
  13 </script>