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 ch11/11.4/11.4.1/11.4.1-3-3.js

  * @description delete operator returns true when deleting an explicitly qualified yet unresolvable reference (property undefined for base obj)

  */

 function testcase() {

   var __ES3_1_test_suite_test_11_4_1_3_unique_id_3__ = {};

   var d = delete __ES3_1_test_suite_test_11_4_1_3_unique_id_3__.x;

   if (d === true) {

     return true;

   }

  }

 runTestCase(testcase);