The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * The activation object is initialised with a property with name arguments and attributes {DontDelete}

  *

  * @path ch10/10.1/S10.1.6_A1_T2.js

  * @description Checking funtion which returns property "arguments"

  */

 var ARG_STRING = "value of the argument property";

 function f1() {

   this.constructor.prototype.arguments = ARG_STRING;

   return arguments;

 }

 //CHECK#1

 if ((new f1(1,2,3,4,5)).length !== 5)

   $ERROR('#1: (new f1(1,2,3,4,5)).length===5, where f1 returns "arguments" that is set to "'+ ARG_STRING + '"');

 //CHECK#2  

 if ((new f1(1,2,3,4,5))[3] !== 4)

   $ERROR('#2: (new f1(1,2,3,4,5))[3]===4, where f1 returns "arguments" that is set to "'+ ARG_STRING + '"');

 //CHECK#3

 var x = new f1(1,2,3,4,5); 

 if (delete x[3] !== true)

   $ERROR('#3.1: Function parameters have attribute {DontDelete}');

 if (x[3] === 4)

   $ERROR('#3.2: Function parameters have attribute {DontDelete}');