js/src/tests/js1_3/extensions/proto_2.js

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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6
7 /**
8 File Name: proto_2.js
9 Section:
10 Description: new PrototypeObject
11
12 This tests Object Hierarchy and Inheritance, as described in the document
13 Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97
14 15:19:34 on http://devedge.netscape.com/. Current URL:
15 http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm
16
17 This tests the syntax ObjectName.prototype = new PrototypeObject using the
18 Employee example in the document referenced above.
19
20 Author: christine@netscape.com
21 Date: 12 november 1997
22 */
23
24 var SECTION = "proto_2";
25 var VERSION = "JS1_3";
26 var TITLE = "new PrototypeObject";
27
28 startTest();
29 writeHeaderToLog( SECTION + " "+ TITLE);
30
31 function Employee () {
32 this.name = "";
33 this.dept = "general";
34 }
35 function Manager () {
36 this.reports = [];
37 }
38 Manager.prototype = new Employee();
39
40 function WorkerBee () {
41 this.projects = new Array();
42 }
43
44 WorkerBee.prototype = new Employee;
45
46 function SalesPerson () {
47 this.dept = "sales";
48 this.quota = 100;
49 }
50 SalesPerson.prototype = new WorkerBee;
51
52 function Engineer () {
53 this.dept = "engineering";
54 this.machine = "";
55 }
56 Engineer.prototype = new WorkerBee;
57
58
59 var employee = new Employee();
60 var manager = new Manager();
61 var workerbee = new WorkerBee();
62 var salesperson = new SalesPerson();
63 var engineer = new Engineer();
64
65 new TestCase( SECTION,
66 "employee.__proto__ == Employee.prototype",
67 true,
68 employee.__proto__ == Employee.prototype );
69
70 new TestCase( SECTION,
71 "manager.__proto__ == Manager.prototype",
72 true,
73 manager.__proto__ == Manager.prototype );
74
75 new TestCase( SECTION,
76 "workerbee.__proto__ == WorkerBee.prototype",
77 true,
78 workerbee.__proto__ == WorkerBee.prototype );
79
80 new TestCase( SECTION,
81 "salesperson.__proto__ == SalesPerson.prototype",
82 true,
83 salesperson.__proto__ == SalesPerson.prototype );
84
85 new TestCase( SECTION,
86 "engineer.__proto__ == Engineer.prototype",
87 true,
88 engineer.__proto__ == Engineer.prototype );
89
90 test();
91

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