| 1 | // (C) Copyright Gennadiy Rozental 2001. |
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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 : $RCSfile$ |
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| 9 | // |
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| 10 | // Version : $Revision$ |
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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_UTILS_TRIVIAL_SIGNLETON_HPP |
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| 16 | #define BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP |
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| 17 | |
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| 18 | // Boost.Test |
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| 19 | #include <boost/config.hpp> |
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| 20 | #include <boost/detail/workaround.hpp> |
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| 21 | |
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| 22 | // Boost |
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| 23 | #include <boost/test/detail/suppress_warnings.hpp> |
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| 24 | |
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| 25 | //____________________________________________________________________________// |
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| 26 | |
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| 27 | namespace boost { |
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| 28 | namespace unit_test { |
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| 29 | |
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| 30 | // ************************************************************************** // |
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| 31 | // ************** singleton ************** // |
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| 32 | // ************************************************************************** // |
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| 33 | |
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| 34 | template<typename Derived> |
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| 35 | class singleton { |
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| 36 | public: |
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| 37 | static Derived& instance() { static Derived the_inst; return the_inst; } |
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| 38 | |
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| 39 | BOOST_DELETED_FUNCTION(singleton(singleton const&)) |
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| 40 | BOOST_DELETED_FUNCTION(singleton& operator=(singleton const&)) |
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| 41 | |
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| 42 | protected: |
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| 43 | BOOST_DEFAULTED_FUNCTION(singleton(), {}) |
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| 44 | BOOST_DEFAULTED_FUNCTION(~singleton(), {}) |
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| 45 | }; |
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| 46 | |
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| 47 | //____________________________________________________________________________// |
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| 48 | |
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| 49 | #define BOOST_TEST_SINGLETON_CONS( type ) \ |
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| 50 | friend class boost::unit_test::singleton<type>; \ |
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| 51 | type() {} \ |
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| 52 | /**/ |
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| 53 | |
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| 54 | #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042)) |
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| 55 | |
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| 56 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 57 | template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \ |
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| 58 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } |
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| 59 | |
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| 60 | #elif defined(__APPLE_CC__) && defined(__GNUC__) && __GNUC__ < 4 |
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| 61 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 62 | static BOOST_JOIN( inst, _t)& inst = BOOST_JOIN (inst, _t)::instance(); |
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| 63 | |
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| 64 | #else |
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| 65 | |
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| 66 | #define BOOST_TEST_SINGLETON_INST( inst ) \ |
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| 67 | namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); } |
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| 68 | |
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| 69 | #endif |
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| 70 | |
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| 71 | //____________________________________________________________________________// |
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| 72 | |
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| 73 | } // namespace unit_test |
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| 74 | } // namespace boost |
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| 75 | |
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| 76 | |
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| 77 | #include <boost/test/detail/enable_warnings.hpp> |
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| 78 | |
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| 79 | #endif // BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP |
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| 80 | |
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