external/contributions/Microsoft/ietcLatest/TestCases/ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-204.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

/// 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.
/**
 * @path ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-204.js
 * @description Object.defineProperties - 'O' is an Array, 'P' is an array index named property, 'P' property doesn't exist in 'O', test [[Configurable]] of 'P' property in 'Attributes' is set as false value if [[Configurable]] is absent in accessor descriptor 'desc'  (15.4.5.1 step 4.c)
 */


function testcase() {
        var arr = [];
        var beforeDeleted = false;
        var afterDeleted = false;
        arr.verifySetter = 100;

        Object.defineProperties(arr, {
            "0": {
                set: function (value) {
                    arr.verifySetter = value;
                },
                get: function () {
                    return arr.verifySetter;
                },
                enumerable: true
            }
        });

        beforeDeleted = arr.hasOwnProperty("0");
        delete arr[0];
        afterDeleted = arr.hasOwnProperty("0");

        arr[0] = 101;

        return beforeDeleted && afterDeleted && arr[0] === 101 && arr.verifySetter === 101;
    }
runTestCase(testcase);