third_party/WebKit/ManualTests/leak-cycle-observer-wrapper.html

   1 <!DOCTYPE html>
   2
   3 <p>
   4     Tests that reference cycles between the observer and the callback do not
   5     create leaks.
   6 </p>
   7
   8 <script>
   9     if (window.testRunner)
  10         testRunner.dumpAsText();
  11
  12     function leak() {
  13         var observer = new WebKitMutationObserver(function() { observer.disconnect(); });
  14     }
  15
  16     for (i=0; i < 1000; i++) leak();
  17     gc();
  18 </script>