1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions
6// are met:
7// 1.  Redistributions of source code must retain the above copyright
8//     notice, this list of conditions and the following disclaimer.
9// 2.  Redistributions in binary form must reproduce the above copyright
10//     notice, this list of conditions and the following disclaimer in the
11//     documentation and/or other materials provided with the distribution.
12//
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14// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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21// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23
24if (this.description)
25    description("Test caching with re-entrancy.");
26
27function test1() {
28    var objects = [{prop:1}, {get prop(){return 2}}];
29
30    function g(o) {
31        return o.prop;
32    }
33
34    for (var i = 0; i < 10000; i++) {
35        var o = {
36            get prop() {
37                try {
38                    g(objects[++j]);
39                }catch(e){
40                }
41                return 1;
42            }
43        };
44        o[i] = i;
45        objects.push(o);
46    }
47    var j=0;
48    g(objects[0]);
49    g(objects[1]);
50    g(objects[2]);
51    g(objects[3]);
52}
53
54
55function test2() {
56    var objects = [Object.create({prop:1}), Object.create({get prop(){return 2}})];
57
58    function g(o) {
59        return o.prop;
60    }
61    var proto = {
62        get prop() {
63            try {
64                g(objects[++j]);
65            }catch(e){
66            }
67            return 1;
68        }
69    };
70    for (var i = 0; i < 10000; i++) {
71        var o = Object.create(proto);
72        o[i] = i;
73        objects.push(o);
74    }
75    var j=0;
76    g(objects[0]);
77    g(objects[1]);
78    g(objects[2]);
79    g(objects[3]);
80}
81
82
83function test3() {
84    var objects = [Object.create(Object.create({prop:1})), Object.create(Object.create({get prop(){return 2}}))];
85
86    function g(o) {
87        return o.prop;
88    }
89    var proto = {
90        get prop() {
91            try {
92                g(objects[++j]);
93            }catch(e){
94            }
95            return 1;
96        }
97    };
98    for (var i = 0; i < 10000; i++) {
99        var o = Object.create(Object.create(proto));
100        o[i] = i;
101        objects.push(o);
102    }
103    var j=0;
104    g(objects[0]);
105    g(objects[1]);
106    g(objects[2]);
107    g(objects[3]);
108}
109
110test1();
111test2();
112test3();
113