1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
File Name: proto_5.js
Section:
Description: Logical OR || in Constructors
This tests Object Hierarchy and Inheritance, as described in the document
Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97
15:19:34 on http://devedge.netscape.com/. Current URL:
http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm
This tests the syntax ObjectName.prototype = new PrototypeObject using the
Employee example in the document referenced above.
This tests the logical OR opererator || syntax in constructors.
Author: christine@netscape.com
Date: 12 november 1997
*/
var SECTION = "proto_5";
var VERSION = "JS1_3";
var TITLE = "Logical OR || in Constructors";
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
function Employee ( name, dept ) {
this.name = name || "";
this.dept = dept || "general";
}
function Manager () {
this.reports = [];
}
Manager.prototype = new Employee();
function WorkerBee ( projs ) {
this.projects = projs || new Array();
}
WorkerBee.prototype = new Employee();
function SalesPerson () {
this.dept = "sales";
this.quota = 100;
}
SalesPerson.prototype = new WorkerBee();
function Engineer ( machine ) {
this.dept = "engineering";
this.machine = machine || "";
}
Engineer.prototype = new WorkerBee();
var pat = new Engineer( "indy" );
var les = new Engineer();
new TestCase( SECTION,
"var pat = new Engineer(\"indy\"); pat.name",
"",
pat.name );
new TestCase( SECTION,
"pat.dept",
"engineering",
pat.dept );
new TestCase( SECTION,
"pat.projects.length",
0,
pat.projects.length );
new TestCase( SECTION,
"pat.machine",
"indy",
pat.machine );
new TestCase( SECTION,
"pat.__proto__ == Engineer.prototype",
true,
pat.__proto__ == Engineer.prototype );
new TestCase( SECTION,
"var les = new Engineer(); les.name",
"",
les.name );
new TestCase( SECTION,
"les.dept",
"engineering",
les.dept );
new TestCase( SECTION,
"les.projects.length",
0,
les.projects.length );
new TestCase( SECTION,
"les.machine",
"",
les.machine );
new TestCase( SECTION,
"les.__proto__ == Engineer.prototype",
true,
les.__proto__ == Engineer.prototype );
test();
|
