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.reduce
  es5id: 15.4.4.21-1-4
  description: Array.prototype.reduce applied to Boolean object
  ---*/
  
          function callbackfn(prevVal, curVal, idx, obj) {
              return obj instanceof Boolean;
          }
  
          var obj = new Boolean(true);
          obj.length = 2;
          obj[0] = 11;
          obj[1] = 12;
  
  assert(Array.prototype.reduce.call(obj, callbackfn, 1), 'Array.prototype.reduce.call(obj, callbackfn, 1) !== true');
  