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 ch10/10.4/10.4.3/10.4.3-1-63gs.js

  * @description Strict - checking 'this' from a global scope (strict function declaration called by non-strict eval)

  * @onlyStrict

  */

 function f() { "use strict"; return this===undefined;};

 if (! eval("f();")){

     throw "'this' had incorrect value!";

 }