1// Copyright 2012 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --expose-gc 29 30// Handy abbreviation. 31var dp = Object.defineProperty; 32 33function getter() { return 111; } 34function setter(x) { print(222); } 35function anotherGetter() { return 333; } 36function anotherSetter(x) { print(444); } 37var obj1, obj2; 38 39// obj1 and obj2 share the getter accessor. 40obj1 = {}; 41dp(obj1, "alpha", { get: getter, set: setter }); 42obj2 = {} 43dp(obj2, "alpha", { get: getter }); 44obj1 = {}; 45assertEquals(111, obj2.alpha); 46gc(); 47assertEquals(111, obj2.alpha); 48 49// obj1, obj2, and obj3 share the getter accessor. 50obj1 = {}; 51dp(obj1, "alpha", { get: getter, set: setter }); 52obj2 = {} 53dp(obj2, "alpha", { get: getter }); 54obj1 = {}; 55gc(); 56obj3 = {} 57dp(obj3, "alpha", { get: getter }); 58 59 60// obj1 and obj2 share the getter and setter accessor. 61obj1 = {}; 62dp(obj1, "alpha", { get: getter, set: setter }); 63obj1.beta = 10; 64obj2 = {} 65dp(obj2, "alpha", { get: getter, set: setter }); 66obj1 = {}; 67assertEquals(111, obj2.alpha); 68gc(); 69obj2.alpha = 100 70assertEquals(111, obj2.alpha); 71