third_party/WebKit/LayoutTests/fast/css/giant-stylesheet-crash.html

   1 <head>
   2 <script>
   3 // GC unreferenced strings to avoid that this test times out.
   4 if (window.GCController)
   5     GCController.collect();
   6
   7 if (window.testRunner)
   8     testRunner.dumpAsText();
   9 </script>
  10
  11 <script>
  12 var styleElement = document.createElement('style');
  13 styleElement.setAttribute('type', 'text/css');
  14
  15 var str="z";
  16 for (var i = 0; i < 16; i++) {
  17     str += str;
  18 }
  19 for (var i = 0; i < 1+(1<<16); i++){
  20     var txt = document.createTextNode(str);
  21     styleElement.appendChild(txt);
  22 }
  23
  24 str = null;
  25
  26 // GC the large str strings to avoid timeouts for subsequent tests.
  27 if (window.GCController)
  28     GCController.collect();
  29
  30 document.getElementsByTagName('head')[0].appendChild(styleElement);
  31 </script>
  32 </head>
  33 <body>
  34 This test verifies that creating a huge inline stylesheet doesn't crash.
  35 </body>