test/built-ins/Object/defineProperty/15.2.3.6-4-288.js


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: 15.2.3.6-4-288
description: >
    Object.defineProperty - 'O' is an Array, 'name' is generic own
    accessor property of 'O', test TypeError is thrown when updating
    the [[Configurable]] attribute value of 'name' which is defined as
    non-configurable (15.4.5.1 step 5)
includes: [propertyHelper.js]
---*/


var arrObj = [];

function setFunc(value) {
    arrObj.setVerifyHelpProp = value;
}
Object.defineProperty(arrObj, "property", {
    set: setFunc,
    configurable: false
});
try {
    Object.defineProperty(arrObj, "property", {
        configurable: true
    });
    $ERROR("Expected an exception.");
} catch (e) {
    verifyWritable(arrObj, "property", "setVerifyHelpProp");

    verifyNotEnumerable(arrObj, "property");

    verifyNotConfigurable(arrObj, "property");

    if (!(e instanceof TypeError)) {
        $ERROR("Expected TypeError, got " + e);
    }

}