The Tor Browser / file revision

 /// Copyright (c) 2012 Ecma International.  All rights reserved. 

 /// Ecma International makes this code available under the terms and conditions set

 /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 

 /// "Use Terms").   Any redistribution of this code must retain the above 

 /// copyright and this notice and otherwise comply with the Use Terms.

 /**

  * @path ch10/10.6/10.6-11-b-1.js

  * @description Arguments Object has index property '0' as its own property, it shoulde be writable, enumerable, configurable and does not invoke the setter defined on Object.prototype[0] (Step 11.b)

  */

 function testcase() {

         try {

             var data = "data";

             var getFunc = function () {

                 return data;

             };

             var setFunc = function (value) {

                 data = value;

             };

             Object.defineProperty(Object.prototype, "0", {

                 get: getFunc,

                 set: setFunc,

                 configurable: true

             });

             var argObj = (function () { return arguments })(1);

             var verifyValue = false;

             verifyValue = (argObj[0] === 1);

             var verifyEnumerable = false;

             for (var p in argObj) {

                 if (p === "0" && argObj.hasOwnProperty("0")) {

                     verifyEnumerable = true;

                 }

             }

             var verifyWritable = false;

             argObj[0] = 1001;

             verifyWritable = (argObj[0] === 1001);

             var verifyConfigurable = false;

             delete argObj[0];

             verifyConfigurable = argObj.hasOwnProperty("0");

             return verifyValue && verifyWritable && verifyEnumerable && !verifyConfigurable && data === "data";

         } finally {

             delete Object.prototype[0];

         }

     }

 runTestCase(testcase);