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