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