1badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// Copyright 2011 the V8 project authors. All rights reserved.
2badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// Redistribution and use in source and binary forms, with or without
3badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// modification, are permitted provided that the following conditions are
4badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// met:
5badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//
6badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//     * Redistributions of source code must retain the above copyright
7badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       notice, this list of conditions and the following disclaimer.
8badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//     * Redistributions in binary form must reproduce the above
9badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       copyright notice, this list of conditions and the following
10badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       disclaimer in the documentation and/or other materials provided
11badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       with the distribution.
12badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//     * Neither the name of Google Inc. nor the names of its
13badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       contributors may be used to endorse or promote products derived
14badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//       from this software without specific prior written permission.
15badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org//
16badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org
28badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// This regression tests that we are not allowed to overwrite an existing
29badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// non-configurable getter with a new getter. In addition, we should not
30badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// be able to change the configurable flag from false to true.
31badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org
32badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orgvar a = {};
33badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orgObject.defineProperty(a, 'b',
34badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org                      { get: function () { return 42; }, configurable: false });
35badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org// Do not allow us to redefine b on a.
36badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orga.__defineGetter__('b', function _b(){ return 'foo'; });
37badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orgassertEquals(42, a.b);
38badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orgvar desc = Object.getOwnPropertyDescriptor(a, 'b');
39badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.orgassertFalse(desc.configurable);
40