test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-246.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

// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 15.2.3.3-4-246
description: >
    Object.getOwnPropertyDescriptor - ensure that 'set' property of
    returned object is data property with correct 'configurable'
    attribute
includes: [runTestCase.js]
---*/

function testcase() {
        var obj = {};
        var fun = function () {
            return "ownSetProperty";
        };
        Object.defineProperty(obj, "property", {
            set: fun,
            configurable: true
        });

        var desc = Object.getOwnPropertyDescriptor(obj, "property");

        var propDefined = "set" in desc;

        try {
            delete desc.set;
            var propDeleted = "set" in desc;

            return propDefined && !propDeleted;
        } catch (e) {
            return false;
        }
    }
runTestCase(testcase);