blob: 371d16848f779a4ecffec781bdc54e389cf59c35 (
plain)
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
|
// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* Native ECMAScript objects have an internal property called [[Prototype]]. The value of this property is
* either null or an object and is used for implementing inheritance
*
* @path ch08/8.6/8.6.2/S8.6.2_A1.js
* @description Check [[Prototype]] property of object
*/
//////////////////////////////////////////////////////////////////////////////
//CHECK#1
var __obj={};
if (!Object.prototype.isPrototypeOf(__obj)){
$ERROR('#1: Native ECMAScript objects have an internal property called [[Prototype]]. ');
};
//
//////////////////////////////////////////////////////////////////////////////
//Establish proto (base) object
/*function ProtoObj(){
};*/
var protoObj={};
//Establish foo object
function FooObj(){};
//////////////////////////////////////////////////////////////////////////////
//CHECK#2
// Invoke instance of foo object
var obj__= new FooObj;
if (!Object.prototype.isPrototypeOf(obj__)){
$ERROR('#2.1: protoObj={}; function FooObj(){}; var obj__= new FooObj; Object.prototype.isPrototypeOf(obj__) === true. Actual: ' + (Object.prototype.isPrototypeOf(obj__)));
};
if (!FooObj.prototype.isPrototypeOf(obj__)){
$ERROR('#2.2: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype.isPrototypeOf(obj__) === true. Actual: ' + (FooObj.prototype.isPrototypeOf(obj__)));
};
if (protoObj.isPrototypeOf(obj__)){
$ERROR('#2.3: protoObj={}; function FooObj(){}; var obj__= new FooObj; protoObj.isPrototypeOf(obj__) === false. Actual: ' + (protoObj.isPrototypeOf(obj__)));
};
// Establish inheritance from proto object
FooObj.prototype=protoObj;
if (protoObj.isPrototypeOf(obj__)){
$ERROR('#2.4: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; protoObj.isPrototypeOf(obj__) === false. Actual: ' + (protoObj.isPrototypeOf(obj__)));
};
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//CHECK#3
// Invoke instance of foo object
var __foo=new FooObj;
if (!Object.prototype.isPrototypeOf(__foo)){
$ERROR('#3.1: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; Object.prototype.isPrototypeOf(__foo) === true. Actual: ' + (Object.prototype.isPrototypeOf(__foo)));
};
if (!FooObj.prototype.isPrototypeOf(__foo)){
$ERROR('#3.2: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; FooObj.prototype.isPrototypeOf(__foo) === true. Actual: ' + (FooObj.prototype.isPrototypeOf(__foo)));
};
if (!protoObj.isPrototypeOf(__foo)){
$ERROR('#3.3: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; protoObj.isPrototypeOf(__foo) === true. Actual: ' + (protoObj.isPrototypeOf(__foo)));
};
//
//////////////////////////////////////////////////////////////////////////////
|
