third_party/WebKit/LayoutTests/fast/dom/Window/timer-null-script-execution-context.html

   1 <body onload="test()">
   2 <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=33815">bug 33815</a>: Crash when using DOMTimer from a detached frame.</p>
   3 <p>Pass if no crash.</p>
   4 <iframe src="about:blank"></iframe>
   5
   6 <script>
   7 if (window.testRunner) {
   8     testRunner.dumpAsText();
   9     testRunner.waitUntilDone();
  10 }
  11
  12 function gc()
  13 {
  14     if (window.GCController)
  15         return GCController.collect();
  16
  17     for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
  18         var s = new String("");
  19     }
  20 }
  21
  22
  23 function test()
  24 {
  25     var w = frames[0];
  26     var w_setTimeout = w.setTimeout;
  27     var w_clearTimeout = w.clearTimeout;
  28     var w_setInterval = w.setInterval;
  29     var w_clearInterval = w.clearInterval;
  30     document.body.removeChild(document.getElementsByTagName("iframe")[0]);
  31     setTimeout(function() {
  32         gc();
  33         try { w_setTimeout.call(w, "alert('FAIL: timeout ran');", 0); } catch (ex) { }
  34         try { w_clearTimeout.call(w, 0) } catch (ex) { }
  35         try { w_setInterval.call(w, "alert('FAIL: interval ran');", 0); } catch (ex) { }
  36         try { w_clearInterval.call(w, 0) } catch (ex) { }
  37
  38         if (window.testRunner)
  39             testRunner.notifyDone();
  40     }, 0);
  41 }
  42 </script>