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2 | /* | |
3 | * $Id: syntheticoperators.cc,v 1.1 2003/07/10 01:31:51 robertc Exp $ | |
4 | * | |
5 | * AUTHOR: Robert Collins | |
6 | * | |
7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
8 | * ---------------------------------------------------------- | |
9 | * | |
10 | * Squid is the result of efforts by numerous individuals from | |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
23 | * | |
24 | * This program is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; if not, write to the Free Software | |
31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
32 | * | |
33 | * Copyright (c) 2003 Robert Collins <robertc@squid-cache.org> | |
34 | */ | |
35 | ||
36 | #include "squid.h" | |
37 | #include "stmem.h" | |
38 | #include "mem_node.h" | |
39 | #include <iostream> | |
40 | ||
41 | class HasExplicit { | |
42 | public: | |
43 | HasExplicit(); | |
44 | ~HasExplicit(); | |
45 | HasExplicit(HasExplicit const &); | |
46 | HasExplicit &operator=(HasExplicit const &); | |
47 | static int const &Instances(); | |
48 | static int const &Assignments(); | |
49 | static void Assignments(int const &); | |
50 | private: | |
51 | static void AddInstance(); | |
52 | static void RemoveInstance(); | |
53 | static void Assignment(); | |
54 | static int Instances_; | |
55 | static int Assignments_; | |
56 | }; | |
57 | ||
58 | int HasExplicit::Instances_(0); | |
59 | int HasExplicit::Assignments_(0); | |
60 | ||
61 | HasExplicit::HasExplicit() { | |
62 | AddInstance(); | |
63 | } | |
64 | ||
65 | HasExplicit::~HasExplicit() { | |
66 | RemoveInstance(); | |
67 | } | |
68 | ||
69 | HasExplicit::HasExplicit(HasExplicit const &) { | |
70 | AddInstance(); | |
71 | } | |
72 | ||
73 | HasExplicit & | |
74 | HasExplicit::operator= (HasExplicit const &) { | |
75 | Assignment(); | |
76 | return *this; | |
77 | } | |
78 | ||
79 | void | |
80 | HasExplicit::AddInstance() | |
81 | { | |
82 | ++Instances_; | |
83 | } | |
84 | ||
85 | void | |
86 | HasExplicit::RemoveInstance() | |
87 | { | |
88 | --Instances_; | |
89 | } | |
90 | ||
91 | void | |
92 | HasExplicit::Assignment() | |
93 | { | |
94 | ++Assignments_; | |
95 | } | |
96 | ||
97 | int const & | |
98 | HasExplicit::Instances() | |
99 | { | |
100 | return Instances_; | |
101 | } | |
102 | ||
103 | int const & | |
104 | HasExplicit::Assignments() | |
105 | { | |
106 | return Assignments_; | |
107 | } | |
108 | ||
109 | void | |
110 | HasExplicit::Assignments(int const &newValue) | |
111 | { | |
112 | Assignments_ = newValue; | |
113 | } | |
114 | ||
115 | void | |
116 | CheckHasExplicitWorks() | |
117 | { | |
118 | assert (HasExplicit::Instances() == 0); | |
119 | HasExplicit *one = new HasExplicit; | |
120 | assert (HasExplicit::Instances() == 1); | |
121 | HasExplicit *two = new HasExplicit; | |
122 | assert (HasExplicit::Instances() == 2); | |
123 | *two = *one; | |
124 | assert (HasExplicit::Instances() == 2); | |
125 | assert (HasExplicit::Assignments() == 1); | |
126 | *two = *one; | |
127 | assert (HasExplicit::Instances() == 2); | |
128 | assert (HasExplicit::Assignments() == 2); | |
129 | HasExplicit *three = new HasExplicit(*two); | |
130 | assert (HasExplicit::Instances() == 3); | |
131 | delete three; | |
132 | assert (HasExplicit::Instances() == 2); | |
133 | delete one; | |
134 | assert (HasExplicit::Instances() == 1); | |
135 | delete two; | |
136 | assert (HasExplicit::Instances() == 0); | |
137 | HasExplicit::Assignments(0); | |
138 | assert (HasExplicit::Assignments() == 0); | |
139 | } | |
140 | ||
141 | class SyntheticOwnsExplicit { | |
142 | public: | |
143 | HasExplicit aMember; | |
144 | }; | |
145 | ||
146 | void | |
147 | CheckSyntheticWorks() | |
148 | { | |
149 | assert (HasExplicit::Instances() == 0); | |
150 | assert (HasExplicit::Assignments() == 0); | |
151 | SyntheticOwnsExplicit *one = new SyntheticOwnsExplicit; | |
152 | assert (HasExplicit::Instances() == 1); | |
153 | SyntheticOwnsExplicit *two = new SyntheticOwnsExplicit; | |
154 | assert (HasExplicit::Instances() == 2); | |
155 | *two = *one; | |
156 | assert (HasExplicit::Instances() == 2); | |
157 | assert (HasExplicit::Assignments() == 1); | |
158 | *two = *one; | |
159 | assert (HasExplicit::Instances() == 2); | |
160 | assert (HasExplicit::Assignments() == 2); | |
161 | SyntheticOwnsExplicit *three = new SyntheticOwnsExplicit(*two); | |
162 | assert (HasExplicit::Instances() == 3); | |
163 | delete three; | |
164 | assert (HasExplicit::Instances() == 2); | |
165 | delete one; | |
166 | assert (HasExplicit::Instances() == 1); | |
167 | delete two; | |
168 | assert (HasExplicit::Instances() == 0); | |
169 | HasExplicit::Assignments(0); | |
170 | assert (HasExplicit::Assignments() == 0); | |
171 | } | |
172 | ||
173 | int | |
b610642c | 174 | main(int argc, char **argv) |
d2d59a68 | 175 | { |
176 | CheckHasExplicitWorks(); | |
177 | CheckSyntheticWorks(); | |
178 | return 0; | |
179 | } |