15f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// Copyright 2009 the V8 project authors. All rights reserved. 25f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// Redistribution and use in source and binary forms, with or without 35f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// modification, are permitted provided that the following conditions are 45f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// met: 55f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// 65f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// * Redistributions of source code must retain the above copyright 75f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// notice, this list of conditions and the following disclaimer. 85f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// * Redistributions in binary form must reproduce the above 95f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// copyright notice, this list of conditions and the following 105f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// disclaimer in the documentation and/or other materials provided 115f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// with the distribution. 125f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// * Neither the name of Google Inc. nor the names of its 135f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// contributors may be used to endorse or promote products derived 145f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// from this software without specific prior written permission. 155f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// 165f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 285f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// This regression includes a number of cases where we did not correctly 295f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// update a accessor property to a data property using Object.defineProperty. 305f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 315f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar obj = { get value() {}, set value (v) { throw "Error";} }; 325f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertDoesNotThrow( 335f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org Object.defineProperty(obj, "value", 345f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org { value: 5, writable:true, configurable: true })); 355f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar desc = Object.getOwnPropertyDescriptor(obj, "value"); 365f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(obj.value, 5); 375f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue(desc.configurable); 385f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue(desc.enumerable); 395f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue(desc.writable); 405f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.get, undefined); 415f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.set, undefined); 425f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 435f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 445f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar proto = { 455f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org get value() {}, 465f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org set value(v) { Object.defineProperty(this, "value", {value: v}); } 475f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org}; 485f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 495f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar create = Object.create(proto); 505f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 515f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(create.value, undefined); 525f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertDoesNotThrow(create.value = 4); 535f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(create.value, 4); 545f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 555f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org// These tests where provided in bug 959, but are all related to the this issue. 565f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar obj1 = {}; 575f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgObject.defineProperty(obj1, 'p', {get: undefined, set: undefined}); 585f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue("p" in obj1); 595f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgdesc = Object.getOwnPropertyDescriptor(obj1, "p"); 605f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertFalse(desc.configurable); 615f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertFalse(desc.enumerable); 625f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.value, undefined); 635f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.get, undefined); 645f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.set, undefined); 655f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 665f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 675f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvar obj2 = { get p() {}}; 685f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgObject.defineProperty(obj2, 'p', {get: undefined}) 695f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue("p" in obj2); 705f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgdesc = Object.getOwnPropertyDescriptor(obj2, "p"); 715f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue(desc.configurable); 725f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertTrue(desc.enumerable); 735f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.value, undefined); 745f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.get, undefined); 755f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgassertEquals(desc.set, undefined); 76