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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-244
description: >
Object.defineProperty - 'O' is an Array, 'name' is an array index
named property, 'name' is data property and 'desc' is data
descriptor, and the [[Configurable]] attribute value of 'name' is
false, test TypeError is thrown if the [[Writable]] attribute
value of 'name' is false and the [[Writable]] field of 'desc' is
true (15.4.5.1 step 4.c)
includes: [propertyHelper.js]
---*/
var arrObj = [];
Object.defineProperty(arrObj, "1", {
writable: false,
configurable: false
});
try {
Object.defineProperty(arrObj, "1", {
writable: true
});
$ERROR("Expected an exception.");
} catch (e) {
verifyEqualTo(arrObj, "1", undefined);
verifyNotWritable(arrObj, "1");
verifyNotEnumerable(arrObj, "1");
verifyNotConfigurable(arrObj, "1");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}
|
