text: /// 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 ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-5-b-77.js
   * @description Object.defineProperties - 'descObj' is the Math object which implements its own [[Get]] method to get 'configurable' property (8.10.5 step 4.a)
   */
  
  
  function testcase() {
  
          var obj = {};
  
          try {
              Math.configurable = true;
  
              Object.defineProperties(obj, {
                  prop: Math
              });
  
              var result1 = obj.hasOwnProperty("prop");
              delete obj.prop;
              var result2 = obj.hasOwnProperty("prop");
  
              return result1 === true && result2 === false;
          } finally {
              delete Math.configurable;
          }
      }
  runTestCase(testcase);
  