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
|
// Copyright (C) 2015 Caitlin Potter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Functions created using MethodDefinition syntactic form do not have own
properties "caller" or "arguments", but inherit them from
%FunctionPrototype%.
es6id: 16.1
---*/
class Class {
method() {}
get accessor() {}
set accessor(x) {}
};
var instance = new Class;
var accessor = Object.getOwnPropertyDescriptor(Class.prototype, "accessor");
assert.sameValue(
instance.method.hasOwnProperty('caller'),
false,
'No "caller" own property (method)'
);
assert.sameValue(
instance.method.hasOwnProperty('arguments'),
false,
'No "arguments" own property (method)'
);
assert.sameValue(
accessor.get.hasOwnProperty('caller'),
false,
'No "caller" own property ("get" accessor)'
);
assert.sameValue(
accessor.get.hasOwnProperty('arguments'),
false,
'No "arguments" own property ("get" accessor)'
);
assert.sameValue(
accessor.set.hasOwnProperty('caller'),
false,
'No "caller" own property ("set" accessor)'
);
assert.sameValue(
accessor.set.hasOwnProperty('arguments'),
false,
'No "arguments" own property ("set" accessor)'
);
// --- Test method restricted properties throw
assert.throws(TypeError, function() {
return instance.method.caller;
});
assert.throws(TypeError, function() {
instance.method.caller = {};
});
assert.throws(TypeError, function() {
return instance.method.arguments;
});
assert.throws(TypeError, function() {
instance.method.arguments = {};
});
// --- Test getter restricted properties throw
assert.throws(TypeError, function() {
return accessor.get.caller;
});
assert.throws(TypeError, function() {
accessor.get.caller = {};
});
assert.throws(TypeError, function() {
return accessor.get.arguments;
});
assert.throws(TypeError, function() {
accessor.get.arguments = {};
});
// --- Test setter restricted properties throw
assert.throws(TypeError, function() {
return accessor.set.caller;
});
assert.throws(TypeError, function() {
accessor.set.caller = {};
});
assert.throws(TypeError, function() {
return accessor.set.arguments;
});
assert.throws(TypeError, function() {
accessor.set.arguments = {};
});
|
