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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-525
description: >
ES5 Attributes - fail to update [[Get]] attribute of accessor
property ([[Get]] is a Function, [[Set]] is undefined,
[[Enumerable]] is false, [[Configurable]] is false) to different
value
---*/
var obj = {};
var getFunc = function() {
return 1001;
};
Object.defineProperty(obj, "prop", {
get: getFunc,
set: undefined,
enumerable: false,
configurable: false
});
var result1 = obj.prop === 1001;
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
assert.throws(TypeError, function() {
Object.defineProperty(obj, "prop", {
get: undefined
});
});
var result2 = obj.prop === 1001;
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
assert(result1, 'result1 !== true');
assert(result2, 'result2 !== true');
assert.sameValue(desc1.get, getFunc, 'desc1.get');
assert.sameValue(desc2.get, getFunc, 'desc2.get');
reportCompare(0, 0);
|
