test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-246.js

// 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: 15.2.3.7-6-a-246
description: >
    Object.defineProperties - TypeError is not thrown if ''O' is an
    Array, 'P' is an array index named property that already exists on
    'O' is accessor property with  [[Configurable]] false, 'desc' is
    accessor descriptor, test TypeError is not thrown if the [[Get]]
    field of 'desc' is present, and the [[Get]] field of 'desc' and
    the [[Get]] attribute value of 'P' are undefined (15.4.5.1 step
    4.c)
includes: [propertyHelper.js]
---*/

var arr = [];

Object.defineProperty(arr, "1", {
    get: undefined
});

Object.defineProperties(arr, {
    "1": {
        get: undefined
    }
});

verifyNotEnumerable(arr, "1");

verifyNotConfigurable(arr, "1");