third_party/WebKit/LayoutTests/fast/html/marquee-clone-crash.html

   1 <!DOCTYPE html>
   2 <script>
   3 var ex = false;
   4 var doc;
   5 var count = 0;
   6
   7 if (window.testRunner)
   8     testRunner.waitUntilDone();
   9
  10 function start() {
  11     if (location.hash == "") {
  12         location.hash = "#0";
  13     } else {
  14         count = parseInt(location.hash.substring(1));
  15         if (count >= 5) {
  16             document.write('PASS');
  17             if (window.testRunner) {
  18                 testRunner.dumpAsText();
  19                 testRunner.notifyDone();
  20             }
  21             return;
  22         }
  23     }
  24
  25     doc = document.documentElement;
  26     mq1 = document.createElement('marquee');
  27     var iframe = document.createElement('iframe');
  28     iframe.src = "nonexistent";
  29
  30     doc.appendChild(iframe);
  31     mq2 = mq1.cloneNode(false);
  32
  33     iframe.onload = iframe_onload;
  34     setTimeout('start_pause1()', 100);
  35 }
  36
  37 function start_pause1() {
  38     document.removeChild(doc);
  39     document.appendChild(doc);
  40     setTimeout('start_pause2()', 100);
  41 }
  42
  43 function start_pause2() {
  44     document.removeChild(doc);
  45     gc();
  46     document.appendChild(doc);
  47     location.hash = '#' + ++count;
  48     location.reload();
  49 }
  50
  51 function iframe_onload() {
  52     if (ex)
  53         return;
  54     ex = true;
  55
  56     var iframe = document.createElement('iframe');
  57     iframe.src='resources/marquee-crash.svg';
  58     doc.appendChild(iframe);
  59 }
  60 </script>
  61 <body onload="start()"></body>