third_party/WebKit/LayoutTests/fast/dom/NodeList/childNodes-reset-cache.html

   1 <html>
   2 <body>
   3 <p>Test for <a href="http://bugs.webkit.org/show_bug.cgi?id=13514">bug 13514</a>:
   4 REGRESSION (r20997-21003): Crash in WebCore::Node::Document.</p>
   5 <div id="elem"><p></p></div>
   6
   7 <script>
   8 if (window.testRunner)
   9   testRunner.dumpAsText();
  10
  11 function gc()
  12 {
  13     if (window.GCController)
  14         return GCController.collect();
  15
  16     for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
  17         var s = new String("");
  18     }
  19 }
  20
  21 elem = document.getElementById('elem');
  22
  23 elem.childNodes.length;
  24 elem.childNodes[0].length;
  25 gc();
  26 elem.innerHTML = "";
  27 gc();
  28 elem.childNodes[0];
  29 if (elem.childNodes.length == 0)
  30   document.write("SUCCESS");
  31 else
  32   document.write("FAILURE: childNodes.length was cached inappropriately");
  33
  34 </script>
  35 </body>
  36 </html>