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-1-4.js
   * @description Array.prototype.reduceRight - element to be retrieved is own data property that overrides an inherited data property on an Array
   */
  
  
  function testcase() {
  
          var testResult = false;
          function callbackfn(prevVal, curVal, idx, obj) {
              if (idx === 1) {
                  testResult = (prevVal === 2);
              }
          }
  
          try {
              Array.prototype[2] = "11";
              [0, 1, 2].reduceRight(callbackfn);
              return testResult;
  
          } finally {
              delete Array.prototype[2];
          }
      }
  runTestCase(testcase);
  