The Tor Browser / file revision

 // |reftest| skip

 // Any copyright is dedicated to the Public Domain.

 // http://creativecommons.org/licenses/publicdomain/

 //-----------------------------------------------------------------------------

 var BUGNUMBER = 600128;

 var summary =

   "Properly handle attempted addition of properties to non-extensible objects";

 print(BUGNUMBER + ": " + summary);

 /**************

  * BEGIN TEST *

  **************/

 var o = Object.freeze({});

 for (var i = 0; i < 10; i++)

   print(o.u = "");

 Object.freeze(this);

 for (let j = 0; j < 10; j++)

   print(u = "");

 /******************************************************************************/

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("All tests passed!");