text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-2-15.js
   * @description Array.prototype.indexOf - 'length' is property of the global object
   */
  
  
  function testcase() {
          var targetObj = {};
          try {
              var oldLen = fnGlobalObject().length;
              fnGlobalObject().length = 2;
  
              fnGlobalObject()[1] = targetObj;
              if (Array.prototype.indexOf.call(fnGlobalObject(), targetObj) !== 1) {
                  return false;
              }
  
              fnGlobalObject()[1] = {};
              fnGlobalObject()[2] = targetObj;
  
              return Array.prototype.indexOf.call(fnGlobalObject(), targetObj) === -1;
          } finally {
              delete fnGlobalObject()[1];
              delete fnGlobalObject()[2];
              fnGlobalObject().length = oldLen;
          }
      }
  runTestCase(testcase);
  