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
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11//       with the distribution.
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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,
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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
28var proxy_has_x = false;
29var proxy = new Proxy({}, {
30  get(t, key, receiver) {
31    assertSame('x', key);
32    if (proxy_has_x) { return 19 }
33    return 8;
34  }
35});
36
37// Test __lookupGetter__/__lookupSetter__ with proxy.
38assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, 'foo'));
39assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, 'bar'));
40assertSame(undefined, Object.prototype.__lookupGetter__.call(proxy, '123'));
41assertSame(undefined, Object.prototype.__lookupSetter__.call(proxy, '456'));
42
43// Test __lookupGetter__/__lookupSetter__ with proxy in prototype chain.
44var object = Object.create(proxy);
45assertSame(undefined, Object.prototype.__lookupGetter__.call(object, 'foo'));
46assertSame(undefined, Object.prototype.__lookupSetter__.call(object, 'bar'));
47assertSame(undefined, Object.prototype.__lookupGetter__.call(object, '123'));
48assertSame(undefined, Object.prototype.__lookupSetter__.call(object, '456'));
49
50// Test inline constructors with proxy as prototype.
51function F() { this.x = 42 }
52F.prototype = proxy;
53var instance = new F();
54
55proxy_has_x = false;
56assertSame(42, instance.x);
57delete instance.x;
58assertSame(8, instance.x);
59
60proxy_has_x = true;
61assertSame(19, instance.x);
62
63// Test inline constructors with proxy in prototype chain.
64function G() { this.x = 42; }
65G.prototype.__proto__ = proxy;
66instance = new G();
67
68proxy_has_x = false;
69assertSame(42, instance.x);
70delete instance.x;
71assertSame(8, instance.x);
72
73proxy_has_x = true;
74assertSame(19, instance.x);
75