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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-11.js
   * @description Array.prototype.lastIndexOf - the length of iteration isn't changed by adding elements to the array during iteration
   */
  
  
  function testcase() {
  
          var arr = [20];
  
          Object.defineProperty(arr, "0", {
              get: function () {
                  arr[1] = 1;
                  return 0;
              },
              configurable: true
          });
  
          return arr.lastIndexOf(1) === -1;
      }
  runTestCase(testcase);
  