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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-329.js
   * @description ES5 Attributes - success to update [[Writable]] attribute of data property ([[Writable]] is true, [[Enumerable]] is true, [[Configurable]] is true) to different value
   */
  
  
  function testcase() {
          var obj = {};
  
          Object.defineProperty(obj, "prop", {
              value: 2010,
              writable: true,
              enumerable: true,
              configurable: true
          });
          var propertyDefineCorrect = obj.hasOwnProperty("prop");
          var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
  
          Object.defineProperty(obj, "prop", {
              writable: false
          });
          var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
  
          return propertyDefineCorrect && desc1.writable === true && obj.prop === 2010 && desc2.writable === false;
      }
  runTestCase(testcase);
  