blob: efe78cf4f80c213efc83b8e5beb73c83e99e5111 (
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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms"). Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.
/*---
es5id: 15.2.3.6-4-428
description: >
ES5 Attributes - success to update [[Enumerable]] attribute of
accessor property ([[Get]] is undefined, [[Set]] is undefined,
[[Enumerable]] is true, [[Configurable]] is true) to different
value
includes: [runTestCase.js]
---*/
function testcase() {
var obj = {};
Object.defineProperty(obj, "prop", {
get: undefined,
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;
}
}
return result1 && !result2 && desc1.enumerable === true && desc2.enumerable === false;
}
runTestCase(testcase);
|