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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-227
description: >
Object.defineProperty - 'O' is an Array, 'name' is an array index
property, test TypeError is thrown when the [[Value]] field of
'desc' and the [[Value]] attribute value of 'name' are two objects
which refer to two different objects (15.4.5.1 step 4.c)
includes: [propertyHelper.js]
---*/
var arrObj = [];
var obj1 = { length: 10 };
Object.defineProperty(arrObj, 0, {
value: obj1,
writable: false,
configurable: false
});
var obj2 = { length: 20 };
try {
Object.defineProperty(arrObj, "0", { value: obj2 });
$ERROR("Expected an exception.");
} catch (e) {
verifyEqualTo(arrObj, "0", obj1);
verifyNotWritable(arrObj, "0");
verifyNotEnumerable(arrObj, "0");
verifyNotConfigurable(arrObj, "0");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}
|
