The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

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

  */

 var BUGNUMBER = 614608;

 var summary = "String.prototype.split with undefined separator";

 print(BUGNUMBER + ": " + summary);

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

  * BEGIN TEST *

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

 function assertEqArr(a1, a2) {

     assertEq(a1.length, a2.length);

     for(var i=0; i<a1.length; i++) {

         assertEq(a1[i], a2[i]);

     }

 }

 var s = '--undefined--undefined--';

 assertEqArr(s.split(undefined, undefined), [s]);

 assertEqArr(s.split(undefined, -1), [s]);

 assertEqArr(s.split(undefined, 1), [s]);

 assertEqArr(s.split("undefined", 1), ["--"]);

 assertEqArr(s.split("-", 0), []);

 assertEqArr(s.split(undefined, 0), []);

 assertEqArr(s.split(s, 0), []);

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("All tests passed!");