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 ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-1-3.js
   * @description Array.prototype.reduce applied to boolean primitive
   */
  
  
  function testcase() {
  
          function callbackfn(prevVal, curVal, idx, obj) {
              return  obj instanceof Boolean;
          }
  
          try {
              Boolean.prototype[0] = true;
              Boolean.prototype.length = 1;
  
              return Array.prototype.reduce.call(false, callbackfn, 1);
  
          } finally {
              delete Boolean.prototype[0];
              delete Boolean.prototype.length;
          }
      }
  runTestCase(testcase);
  