JSTests/test262/test/built-ins/Object/defineProperty/15.2.3.6-4-82-4.js

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

/*---
es5id: 15.2.3.6-4-82-4
description: >
    Object.defineProperty - Update [[Configurable]] attribute of
    'name' property to false successfully when [[Enumerable]] and
    [[Configurable]] attributes of 'name' property are true,  the
    'desc' is a generic descriptor which contains [[Enumerable]]
    attribute as true and [[Configurable]] attribute as false, 'name'
    property is a data property (8.12.9 step 8)
includes: [propertyHelper.js]
---*/


var obj = {};

Object.defineProperty(obj, "foo", {
  value: 1001,
  writable: true,
  enumerable: true,
  configurable: true
});

Object.defineProperty(obj, "foo", {
  enumerable: true,
  configurable: false
});

verifyEqualTo(obj, "foo", 1001);

verifyWritable(obj, "foo");

verifyEnumerable(obj, "foo");

verifyNotConfigurable(obj, "foo");