text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  es5id: 15.4.4.15-2-19
  description: >
      Array.prototype.lastIndexOf applied to String object which
      implements its own property get method
  ---*/
  
          var obj = function (a, b) {
              return a + b;
          };
          obj[1] = "b";
          obj[2] = "c";
  
  assert.sameValue(Array.prototype.lastIndexOf.call(obj, obj[1]), 1, 'Array.prototype.lastIndexOf.call(obj, obj[1])');
  assert.sameValue(Array.prototype.lastIndexOf.call(obj, obj[2]), -1, 'Array.prototype.lastIndexOf.call(obj, obj[2])');
  