OLD | NEW |
| (Empty) |
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 | |
30 var proxy_has_x = false; | |
31 var 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. | |
39 assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo')); | |
40 assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar')); | |
41 assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123')); | |
42 assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, '456')); | |
43 | |
44 // Test __lookupGetter__/__lookupSetter__ with proxy in prototype chain. | |
45 var object = Object.create(proxy); | |
46 assertSame(undefined, Object.prototype.__lookupGetter__.call(object, 'foo')); | |
47 assertSame(undefined, Object.prototype.__lookupSetter__.call(object, 'bar')); | |
48 assertSame(undefined, Object.prototype.__lookupGetter__.call(object, '123')); | |
49 assertSame(undefined, Object.prototype.__lookupSetter__.call(object, '456')); | |
50 | |
51 // Test inline constructors with proxy as prototype. | |
52 function f() { this.x = 23; } | |
53 f.prototype = proxy; | |
54 proxy_has_x = false; | |
55 assertSame(23, new f().x); | |
56 proxy_has_x = true; | |
57 assertSame(19, new f().x); | |
58 | |
59 // Test inline constructors with proxy in prototype chain. | |
60 function g() { this.x = 42; } | |
61 g.prototype.__proto__ = proxy; | |
62 proxy_has_x = false; | |
63 assertSame(42, new g().x); | |
64 proxy_has_x = true; | |
65 assertSame(19, new g().x); | |
OLD | NEW |