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1 | // (C) Copyright Gennadiy Rozental 2001. |
2 | // Distributed under the Boost Software License, Version 1.0. | |
3 | // (See accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | // See http://www.boost.org/libs/test for the library home page. | |
7 | // | |
8 | // File : $RCSfile$ | |
9 | // | |
10 | // Version : $Revision$ | |
11 | // | |
12 | // Description : simple helpers for creating cusom output manipulators | |
13 | // *************************************************************************** | |
14 | ||
15 | #ifndef BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP | |
16 | #define BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP | |
17 | ||
18 | // Boost.Test | |
19 | #include <boost/config.hpp> | |
20 | #include <boost/detail/workaround.hpp> | |
21 | ||
22 | // Boost | |
23 | #include <boost/test/detail/suppress_warnings.hpp> | |
24 | ||
25 | //____________________________________________________________________________// | |
26 | ||
27 | namespace boost { | |
28 | namespace unit_test { | |
29 | ||
30 | // ************************************************************************** // | |
31 | // ************** singleton ************** // | |
32 | // ************************************************************************** // | |
33 | ||
34 | template<typename Derived> | |
35 | class singleton { | |
36 | public: | |
37 | static Derived& instance() { static Derived the_inst; return the_inst; } | |
38 | ||
39 | BOOST_DELETED_FUNCTION(singleton(singleton const&)) | |
40 | BOOST_DELETED_FUNCTION(singleton& operator=(singleton const&)) | |
41 | ||
42 | protected: | |
43 | BOOST_DEFAULTED_FUNCTION(singleton(), {}) | |
44 | BOOST_DEFAULTED_FUNCTION(~singleton(), {}) | |
45 | }; | |
46 | ||
47 | //____________________________________________________________________________// | |
48 | ||
49 | #define BOOST_TEST_SINGLETON_CONS( type ) \ | |
50 | friend class boost::unit_test::singleton<type>; \ | |
51 | type() {} \ | |
52 | /**/ | |
53 | ||
54 | #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042)) | |
55 | ||
56 | #define BOOST_TEST_SINGLETON_INST( inst ) \ | |
57 | template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \ | |
58 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } | |
59 | ||
60 | #elif defined(__APPLE_CC__) && defined(__GNUC__) && __GNUC__ < 4 | |
61 | #define BOOST_TEST_SINGLETON_INST( inst ) \ | |
62 | static BOOST_JOIN( inst, _t)& inst = BOOST_JOIN (inst, _t)::instance(); | |
63 | ||
64 | #else | |
65 | ||
66 | #define BOOST_TEST_SINGLETON_INST( inst ) \ | |
67 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } | |
68 | ||
69 | #endif | |
70 | ||
71 | //____________________________________________________________________________// | |
72 | ||
73 | } // namespace unit_test | |
74 | } // namespace boost | |
75 | ||
76 | ||
77 | #include <boost/test/detail/enable_warnings.hpp> | |
78 | ||
79 | #endif // BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP |