The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

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

  *

  * Author: Geoffrey Sneddon <geoffers+mozilla@gmail.com>

  */

 var BUGNUMBER = 646490;

 var summary =

   "RegExp.prototype.exec doesn't get the lastIndex and ToInteger() it for " +

   "non-global regular expressions when it should";

 print(BUGNUMBER + ": " + summary);

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

  * BEGIN TEST *

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

 var re = /./, called = 0;

 re.lastIndex = {valueOf: function() { called++; return 0; }};

 re.exec(".");

 re.lastIndex = {toString: function() { called++; return "0"; }};

 re.exec(".");

 re.lastIndex = {

   valueOf: function() { called++; return 0; },

   toString: function() { called--; }

 };

 re.exec(".");

 assertEq(called, 3, "FAIL, got " + called);

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

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("All tests passed!");