third_party/WebKit/LayoutTests/fast/dom/message-port-deleted-by-accessor.html

   1 <html>
   2 <head>
   3 <script>
   4 if (window.testRunner)
   5     testRunner.dumpAsText();
   6
   7 window.onload = function()
   8 {
   9     channel = new MessageChannel;
  10     event = document.createEvent("MessageEvent");
  11
  12     event.initMessageEvent(0, 0, 0, 0, 0, 0, 0, [channel.port1, channel.port2]);
  13
  14     Array.prototype.__defineSetter__(0, function() {
  15         event.initMessageEvent(0, 0, 0, 0, 0, 0, 0, [ ]);
  16     });
  17
  18     event.ports;
  19 }
  20 </script>
  21 </head>
  22 <body>
  23 This test passes if it doesn't crash.
  24 </body>
  25 </html>