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: --harmony-proxies 29 30var proxy_has_x = false; 31var proxy = Proxy.create({ getPropertyDescriptor:function(key) { 32 assertSame('x', key); 33 if (proxy_has_x) { 34 return { configurable:true, writable:false, value:19 }; 35 } 36}}); 37 38// Test __lookupGetter__/__lookupSetter__ with proxy. 39assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo')); 40assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar')); 41assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123')); 42assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, '456')); 43 44// Test __lookupGetter__/__lookupSetter__ with proxy in prototype chain. 45var object = Object.create(proxy); 46assertSame(undefined, Object.prototype.__lookupGetter__.call(object, 'foo')); 47assertSame(undefined, Object.prototype.__lookupSetter__.call(object, 'bar')); 48assertSame(undefined, Object.prototype.__lookupGetter__.call(object, '123')); 49assertSame(undefined, Object.prototype.__lookupSetter__.call(object, '456')); 50 51// Test inline constructors with proxy as prototype. 52function f() { this.x = 23; } 53f.prototype = proxy; 54proxy_has_x = false; 55assertSame(23, new f().x); 56proxy_has_x = true; 57assertSame(19, new f().x); 58 59// Test inline constructors with proxy in prototype chain. 60function g() { this.x = 42; } 61g.prototype.__proto__ = proxy; 62proxy_has_x = false; 63assertSame(42, new g().x); 64proxy_has_x = true; 65assertSame(19, new g().x); 66