The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

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

  */

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

 var BUGNUMBER = 909602;

 var summary =

   "Array.prototype.pop shouldn't touch elements greater than length on " +

   "non-arrays";

 print(BUGNUMBER + ": " + summary);

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

  * BEGIN TEST *

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

 function doTest(obj, index)

 {

   // print("testing " + JSON.stringify(obj) + " with index " + index);

   assertEq(Array.prototype.pop.call(obj), undefined);

   assertEq(index in obj, true);

   assertEq(obj[index], 42);

 }

 // not-super-much-later element

 // non-zero length

 function testPop1()

 {

   var obj = { length: 2, 3: 42 };

   doTest(obj, 3);

 }

 for (var i = 0; i < 50; i++)

   testPop1();

 // zero length

 function testPop2()

 {

   var obj = { length: 0, 3: 42 };

   doTest(obj, 3);

 }

 for (var i = 0; i < 50; i++)

   testPop2();

 // much-later (but dense) element

 // non-zero length

 function testPop3()

 {

   var obj = { length: 2, 55: 42 };

   doTest(obj, 55);

 }

 for (var i = 0; i < 50; i++)

   testPop3();

 // zero length

 function testPop4()

 {

   var obj = { length: 0, 55: 42 };

   doTest(obj, 55);

 }

 for (var i = 0; i < 50; i++)

   testPop4();

 // much much much later (sparse) element

 // non-zero length

 function testPop5()

 {

   var obj = { length: 2, 65530: 42 };

   doTest(obj, 65530);

 }

 for (var i = 0; i < 50; i++)

   testPop5();

 // zero length

 function testPop6()

 {

   var obj = { length: 0, 65530: 42 };

   doTest(obj, 65530);

 }

 for (var i = 0; i < 50; i++)

   testPop6();

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

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("Tests complete");