text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-8-b-iii-1-14.js
   * @description  Array.prototype.reduceRight - element to be retrieved is own accessor property that overrides an inherited accessor property on an Array
   */
  
  
  function testcase() {
  
          var testResult = false;
          function callbackfn(prevVal, curVal, idx, obj) {
              if (idx === 1) {
                  testResult = (prevVal === "20");
              }
          }
  
          try {
              Object.defineProperty(Array.prototype, "2", {
                  get: function () {
                      return 2;
                  },
                  configurable: true
              });
  
              var arr = [0, 1, , ];
  
              Object.defineProperty(arr, "2", {
                  get: function () {
                      return "20";
                  },
                  configurable: true
              });
  
              arr.reduceRight(callbackfn);
              return testResult;
  
          } finally {
              delete Array.prototype[2];
          }
      }
  runTestCase(testcase);
  