JSTests/test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-243.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.7-6-a-243
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, the [[Set]] field of 'desc' is present, and
    the [[Set]] field of 'desc' and the [[Set]] attribute value of 'P'
    are undefined  (15.4.5.1 step 4.c)
includes: [propertyHelper.js]
---*/

var arr = [];

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

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

verifyNotEnumerable(arr, "1");

verifyNotConfigurable(arr, "1");