text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-167.js
   * @description Object.defineProperties - 'O' is an Array, 'P' is the length property of 'O', the [[Value]] field of 'desc' is less than value of  the length property, test the [[Configurable]] attribute of inherited data property with large index named in 'O' can't stop deleting index named properties (15.4.5.1 step 3.l.ii)
   */
  
  
  function testcase() {
  
          var arr = [0, 1];
          try {
              Array.prototype[1] = 2; //we are not allowed to set the [[Configurable]] attribute of property "1" to false here, since Array.prototype is a global object, and non-configurbale property can't revert to configurable
  
              Object.defineProperties(arr, {
                  length: {
                      value: 1
                  }
              });
  
              return arr.length === 1 && !arr.hasOwnProperty("1") && arr[0] === 0 && Array.prototype[1] === 2;
          } finally {
              delete Array.prototype[1];
          }
      }
  runTestCase(testcase);
  