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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-500
description: >
ES5 Attributes - success to update [[Enumerable]] attribute of
accessor property ([[Get]] is Function, [[Set]] is undefined,
[[Enumerable]] is true, [[Configurable]] is true) to different
value
---*/
var obj = {};
var getFunc = function() {
return 1001;
};
Object.defineProperty(obj, "prop", {
get: getFunc,
set: undefined,
enumerable: true,
configurable: true
});
var result1 = false;
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
for (var p1 in obj) {
if (p1 === "prop") {
result1 = true;
}
}
Object.defineProperty(obj, "prop", {
enumerable: false
});
var result2 = false;
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
for (var p2 in obj) {
if (p2 === "prop") {
result2 = true;
}
}
assert(result1, 'result1 !== true');
assert.sameValue(result2, false, 'result2');
assert.sameValue(desc1.enumerable, true, 'desc1.enumerable');
assert.sameValue(desc2.enumerable, false, 'desc2.enumerable');
|
