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
|
// 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 ClassExpression syntactic form do not
have own properties "caller" or "arguments", but inherit them from
%FunctionPrototype%.
es6id: 16.1
---*/
var BaseClass = class {};
assert.sameValue(
BaseClass.hasOwnProperty('caller'), false, 'No "caller" own property'
);
assert.sameValue(
BaseClass.hasOwnProperty('arguments'), false, 'No "arguments" own property'
);
assert.throws(TypeError, function() {
return BaseClass.caller;
});
assert.throws(TypeError, function() {
BaseClass.caller = {};
});
assert.throws(TypeError, function() {
return BaseClass.arguments;
});
assert.throws(TypeError, function() {
BaseClass.arguments = {};
});
var SubClass = class extends BaseClass {};
assert.sameValue(
SubClass.hasOwnProperty('caller'), false, 'No "caller" own property'
);
assert.sameValue(
SubClass.hasOwnProperty('arguments'), false, 'No "arguments" own property'
);
assert.throws(TypeError, function() {
return SubClass.caller;
});
assert.throws(TypeError, function() {
SubClass.caller = {};
});
assert.throws(TypeError, function() {
return SubClass.arguments;
});
assert.throws(TypeError, function() {
SubClass.arguments = {};
});
reportCompare(0, 0);
|