third_party/WebKit/LayoutTests/fast/xpath/xpath-iterator-result-should-mark-its-nodeset.html

   1 <html><head>
   2     <script>
   3         if (window.testRunner)
   4             testRunner.dumpAsText();
   5
   6         var types = [
   7                       XPathResult.ORDERED_NODE_ITERATOR_TYPE,
   8                       XPathResult.UNORDERED_NODE_ITERATOR_TYPE
   9                     ];
  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("abc");
  18             }
  19         }
  20
  21         function test(type)
  22         {
  23             var doc = (new DOMParser).parseFromString("<html><body><span></span></body></html>", "text/xml");
  24             doc.getElementsByTagName("span")[0].foo = "PASS";
  25             var result = doc.evaluate("//span", doc.documentElement, null, type, null);
  26             doc = 0;
  27             gc();
  28             var console = document.getElementById("console");
  29             console.appendChild(document.createTextNode(result.iterateNext().foo));
  30             console.appendChild(document.createElement("br"));
  31         }
  32
  33         function tests()
  34         {
  35             while (types.length) {
  36                 test(types.pop());
  37             }
  38         }
  39     </script>
  40 </head>
  41 <body onload="tests()">
  42 <div> Test for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=34231">34231</a>: Nodes in XPathResult should keep JS wrappers alive.</div>
  43 <div> For this test to PASS you should see 2 PASS below.</div><br>
  44 <div id="console"></div>
  45 </body></html>