third_party/WebKit/LayoutTests/fast/js/select-options-remove-gc.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <div>
   8 <select id="myselect">
   9 <option>A</option>
  10 <option>B</option>
  11 <option>C</option>
  12 </select>
  13 </div>
  14 <script>
  15 description("This test checks that removing a &lt;select&gt; object from the DOM, then garbage collecting, then removing an option from select.options doesn't crash.");
  16
  17 var select = document.getElementById("myselect");
  18 var options = select.options;
  19 select.parentNode.removeChild(select);
  20 select = null;
  21
  22 // create lots of objects to force a garbage collection
  23 var i = 0;
  24 var s;
  25 while (i < 5000) {
  26     i = i+1.11;
  27     s = s + " ";
  28 }
  29
  30 options.remove(0);
  31 testPassed("No crash");
  32 </script>
  33 </body>
  34 </html>