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 scope chain is initialised to contain the same objects,

  * in the same order, as the calling context's scope chain

  *

  * @path ch10/10.4/10.4.2/S10.4.2_A1.1_T4.js

  * @description eval within global execution context

  */

 var i;

 var j;

 str1 = '';

 str2 = '';

 x = 1;

 for(i in this){

   str1+=i;

 }

 eval('for(j in this){\nstr2+=j;\n}');

 if(!(str1 === str2)){

   $ERROR("#1: scope chain must contain same objects in the same order as the calling context");

 }

 y = 2;