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 ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-2.js
   * @description Array.prototype.reduceRight considers new value of elements in array after it is called
   */
  
  
  function testcase() { 
   
    function callbackfn(prevVal, curVal, idx, obj)
    {
      arr[3] = -2;
      arr[0] = -1;
      return prevVal + curVal;
    }
  
    var arr = [1,2,3,4,5];
    if(arr.reduceRight(callbackfn) === 13)
      return true;  
    
   }
  runTestCase(testcase);
  