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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 13.2-17-1
description: >
Function Object has 'constructor' as its own property, it is not
enumerable and does not invoke the setter defined on
Function.prototype.constructor (Step 17)
---*/
var desc = Object.getOwnPropertyDescriptor(Object.prototype, "constructor");
var getFunc = function () {
return 100;
};
var data = "data";
var setFunc = function (value) {
data = value;
};
Object.defineProperty(Object.prototype, "constructor", {
get: getFunc,
set: setFunc,
configurable: true
});
var fun = function () {};
var verifyValue = false;
verifyValue = typeof fun.prototype.constructor === "function";
var verifyEnumerable = false;
for (var p in fun.prototype) {
if (p === "constructor" && fun.prototype.hasOwnProperty("constructor")) {
verifyEnumerable = true;
}
}
var verifyWritable = false;
fun.prototype.constructor = 12;
verifyWritable = (fun.prototype.constructor === 12);
var verifyConfigurable = false;
delete fun.prototype.constructor;
verifyConfigurable = fun.hasOwnProperty("constructor");
assert(verifyValue, 'verifyValue !== true');
assert(verifyWritable, 'verifyWritable !== true');
assert.sameValue(verifyEnumerable, false, 'verifyEnumerable');
assert.sameValue(verifyConfigurable, false, 'verifyConfigurable');
assert.sameValue(data, "data", 'data');
reportCompare(0, 0);
|