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
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-317
description: >
Object.defineProperty - 'O' is an Arguments object, 'P' is generic
own data property of 'O', test TypeError is thrown when updating
the [[Value]] attribute value of 'P' which is not writable and not
configurable (10.6 [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/
(function () {
Object.defineProperty(arguments, "genericProperty", {
value: 1001,
writable: false,
configurable: false
});
try {
Object.defineProperty(arguments, "genericProperty", {
value: 1002
});
$ERROR("Expected an exception.");
} catch (e) {
verifyEqualTo(arguments, "genericProperty", 1001);
verifyNotWritable(arguments, "genericProperty");
verifyNotEnumerable(arguments, "genericProperty");
verifyNotConfigurable(arguments, "genericProperty");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}
}(1, 2, 3));
|
