text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.4/15.4.4/15.4.4.17/15.4.4.17-2-2.js
   * @description Array.prototype.some - 'length' is own data property on an Array
   */
  
  
  function testcase() {
          function callbackfn1(val, idx, obj) {
              return val > 10;
          }
  
          function callbackfn2(val, idx, obj) {
              return val > 11;
          }
  
          try {
              Array.prototype[2] = 12;
  
              return [9, 11].some(callbackfn1) &&
                  ![9, 11].some(callbackfn2);
          } finally {
              delete Array.prototype[2];
          }
      }
  runTestCase(testcase);
  