text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-array.prototype.lastindexof
  es5id: 15.4.4.15-5-6
  description: Array.prototype.lastIndexOf when 'fromIndex' isn't passed
  ---*/
  
  var arr = [0, 1, 2, 3, 4];
  //'fromIndex' will be set as 4 if not passed by default
  
  assert.sameValue(arr.lastIndexOf(0), arr.lastIndexOf(0, 4), 'arr.lastIndexOf(0)');
  assert.sameValue(arr.lastIndexOf(2), arr.lastIndexOf(2, 4), 'arr.lastIndexOf(2)');
  assert.sameValue(arr.lastIndexOf(4), arr.lastIndexOf(4, 4), 'arr.lastIndexOf(4)');
  