text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-array.prototype.reduceright
  es5id: 15.4.4.22-8-c-3
  description: >
      Array.prototype.reduceRight throws TypeError when elements
      assigned values are deleted and initialValue is not present
  ---*/
  
    function callbackfn(prevVal, curVal, idx, obj)
    {
    }
  
    var arr = [1,2,3,4,5];
    delete arr[0];
    delete arr[1];
    delete arr[2];
    delete arr[3];
    delete arr[4];
  assert.throws(TypeError, function() {
      arr.reduceRight(callbackfn);
  });
  