1 /*
2 *
3 * Copyright (c) 2004
4 * John Maddock
5 *
6 * Use, modification and distribution are subject to the
7 * Boost Software License, Version 1.0. (See accompanying file
8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 *
10 */
11
12 /*
13 * LOCATION: see http://www.boost.org for most recent version.
14 * FILE object_cache_test.cpp
15 * VERSION see <boost/version.hpp>
16 * DESCRIPTION: Test code for a generic object cache.
17 */
18 #include <boost/regex/config.hpp>
19 #ifdef BOOST_REGEX_CXX03
20 #include <boost/regex/v4/object_cache.hpp>
21 #define SP_NS boost
22 #else
23 #include <boost/regex/v5/object_cache.hpp>
24 #define SP_NS std
25 #endif
26 #include <boost/detail/lightweight_main.hpp>
27 #include "../test_macros.hpp"
28
29 class test_object
30 {
31 public:
test_object(int i)32 test_object(int i)
33 : m_value(i)
34 {
35 ++s_count;
36 }
value() const37 int value()const
38 {
39 return m_value;
40 }
count()41 static int count()
42 {
43 return s_count;
44 }
45 private:
46 int m_value;
47 static int s_count;
48 };
49
50 int test_object::s_count = 0;
51
52 static const int max_cache_size = 5;
53
cpp_main(int,char * [])54 int cpp_main(int /*argc*/, char * /*argv*/[])
55 {
56 int i;
57 for(i = 0; i < 20; ++i)
58 {
59 SP_NS::shared_ptr<const test_object> p = boost::object_cache<int, test_object>::get(i, max_cache_size);
60 BOOST_CHECK(p->value() == i);
61 p = boost::object_cache<int, test_object>::get(i, max_cache_size);
62 BOOST_CHECK(p->value() == i);
63 if(i)
64 {
65 p = boost::object_cache<int, test_object>::get(i-1, max_cache_size);
66 BOOST_CHECK(p->value() == i-1);
67 }
68 }
69 int current_count = test_object::count();
70 for(int j = 0; j < 10; ++j)
71 {
72 for(i = 20 - max_cache_size; i < 20; ++i)
73 {
74 SP_NS::shared_ptr<const test_object> p = boost::object_cache<int, test_object>::get(i, max_cache_size);
75 BOOST_CHECK(p->value() == i);
76 p = boost::object_cache<int, test_object>::get(i, max_cache_size);
77 BOOST_CHECK(p->value() == i);
78 }
79 }
80 BOOST_CHECK(current_count == test_object::count());
81 return 0;
82 }
83
84
85