| 1 | // (C) Copyright Gennadiy Rozental 2005. |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | // See http://www.boost.org/libs/test for the library home page. |
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| 7 | // |
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| 8 | // File : $RCSfile: trivial_singleton.hpp,v $ |
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| 9 | // |
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| 10 | // Version : $Revision: 1.3 $ |
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| 11 | // |
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| 12 | // Description : simple helpers for creating cusom output manipulators |
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| 13 | // *************************************************************************** |
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| 14 | |
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| 15 | #ifndef BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER |
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| 16 | #define BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER |
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| 17 | |
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| 18 | #include <boost/noncopyable.hpp> |
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| 19 | |
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| 20 | #include <boost/test/detail/suppress_warnings.hpp> |
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| 21 | |
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| 22 | //____________________________________________________________________________// |
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| 23 | |
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| 24 | namespace boost { |
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| 25 | |
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| 26 | namespace unit_test { |
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| 27 | |
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| 28 | // ************************************************************************** // |
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| 29 | // ************** singleton ************** // |
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| 30 | // ************************************************************************** // |
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| 31 | |
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| 32 | template<typename Derived> |
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| 33 | class singleton : private boost::noncopyable { |
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| 34 | public: |
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| 35 | static Derived& instance() { static Derived the_inst; return the_inst; } |
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| 36 | protected: |
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| 37 | singleton() {} |
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| 38 | ~singleton() {} |
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| 39 | }; |
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| 40 | |
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| 41 | } // namespace unit_test |
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| 42 | |
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| 43 | #define BOOST_TEST_SINGLETON_CONS( type ) \ |
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| 44 | friend class boost::unit_test::singleton<type>; \ |
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| 45 | type() {} \ |
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| 46 | /**/ |
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| 47 | |
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| 48 | #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042)) |
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| 49 | |
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| 50 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 51 | template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \ |
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| 52 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } |
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| 53 | |
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| 54 | #elif defined(__APPLE_CC__) && defined(__GNUC__) && __GNUC__ < 4 |
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| 55 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 56 | static BOOST_JOIN( inst, _t)& inst = BOOST_JOIN (inst, _t)::instance(); |
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| 57 | |
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| 58 | #else |
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| 59 | |
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| 60 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 61 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } |
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| 62 | |
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| 63 | #endif |
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| 64 | |
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| 65 | } // namespace boost |
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| 66 | |
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| 67 | //____________________________________________________________________________// |
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| 68 | |
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| 69 | #include <boost/test/detail/enable_warnings.hpp> |
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| 70 | |
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| 71 | // *************************************************************************** |
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| 72 | // Revision History : |
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| 73 | // |
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| 74 | // $Log: trivial_singleton.hpp,v $ |
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| 75 | // Revision 1.3 2006/01/01 17:29:38 dgregor |
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| 76 | // Work around anonymous namespace bug in Apple GCC 3.3 |
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| 77 | // |
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| 78 | // Revision 1.2 2005/06/15 07:21:51 schoepflin |
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| 79 | // Tru64 needs an explicit instantiation of the singleton template. Otherwise we |
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| 80 | // end up with multiple singleton instances. |
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| 81 | // |
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| 82 | // Revision 1.1 2005/02/20 08:27:08 rogeeff |
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| 83 | // This a major update for Boost.Test framework. See release docs for complete list of fixes/updates |
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| 84 | // |
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| 85 | // *************************************************************************** |
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| 86 | |
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| 87 | #endif // BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER |
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