text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-8.js
   * @description Array.prototype.filter - no observable effects occur if len is 0
   */
  
  
  function testcase() {
  
          var accessed = false;
  
          function callbackfn(val, idx, obj) {
              accessed = true;
              return val > 10;
          }
  
          var obj = { 0: 11, 1: 12, length: 0 };
  
          var newArr = Array.prototype.filter.call(obj, callbackfn);
  
          return accessed === false && obj.length === 0 && newArr.length === 0;
      }
  runTestCase(testcase);
  