1// Copyright 2013 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28var extend = function (d, b) {
29  function __() { this.constructor = d; }
30  __.prototype = b.prototype;
31  d.prototype = new __();
32};
33
34var Car = (function (Super) {
35  var Car = function () {
36    var self = this;
37
38    Super.call(self);
39
40    Object.defineProperties(self, {
41      "make": {
42        enumerable: true,
43        configurable: true,
44        get: function () {
45          return "Ford";
46        }
47      }
48    });
49
50    self.copy = function () {
51      throw new Error("Meant to be overriden");
52    };
53
54    return self;
55  };
56
57  extend(Car, Super);
58
59  return Car;
60}(Object));
61
62
63var SuperCar = ((function (Super) {
64  var SuperCar = function (make) {
65    var self = this;
66
67    Super.call(self);
68
69
70    Object.defineProperties(self, {
71      "make": {
72        enumerable: true,
73        configurable: true,
74        get: function () {
75          return make;
76        }
77      }
78    });
79
80    // Convert self.copy from CONSTANT to FIELD.
81    self.copy = function () { };
82
83    return self;
84  };
85  extend(SuperCar, Super);
86  return SuperCar;
87})(Car));
88
89assertEquals("Ford", new Car().make);
90assertEquals("Bugatti", new SuperCar("Bugatti").make);
91assertEquals("Lambo", new SuperCar("Lambo").make);
92assertEquals("Shelby", new SuperCar("Shelby").make);
93