80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| //  (C) Copyright Gennadiy Rozental 2001.
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| //  Distributed under the Boost Software License, Version 1.0.
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| //  (See accompanying file LICENSE_1_0.txt or copy at
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| //  http://www.boost.org/LICENSE_1_0.txt)
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| 
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| //  See http://www.boost.org/libs/test for the library home page.
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| //
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| //  File        : $RCSfile$
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| //
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| //  Version     : $Revision$
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| //
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| //  Description : simple helpers for creating cusom output manipulators
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| // ***************************************************************************
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| 
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| #ifndef BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP
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| #define BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP
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| 
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| // Boost.Test
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| #include <boost/config.hpp>
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| #include <boost/detail/workaround.hpp>
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| 
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| // Boost
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| #include <boost/test/detail/suppress_warnings.hpp>
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| 
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| //____________________________________________________________________________//
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| 
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| namespace boost {
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| namespace unit_test {
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| 
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| // ************************************************************************** //
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| // **************                   singleton                  ************** //
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| // ************************************************************************** //
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| 
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| template<typename Derived>
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| class singleton {
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| public:
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|     static Derived& instance() { static Derived the_inst; return the_inst; }
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| 
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|     BOOST_DELETED_FUNCTION(singleton(singleton const&))
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|     BOOST_DELETED_FUNCTION(singleton& operator=(singleton const&))
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| 
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| protected:
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|     BOOST_DEFAULTED_FUNCTION(singleton(), {})
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|     BOOST_DEFAULTED_FUNCTION(~singleton(), {})
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| };
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| 
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| //____________________________________________________________________________//
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| 
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| #define BOOST_TEST_SINGLETON_CONS( type )       \
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| friend class boost::unit_test::singleton<type>; \
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| type() {}                                       \
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| /**/
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| 
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| #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
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| 
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| #define BOOST_TEST_SINGLETON_INST( inst ) \
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| template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \
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| namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
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| 
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| #elif defined(__APPLE_CC__) && defined(__GNUC__) && __GNUC__ < 4
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| #define BOOST_TEST_SINGLETON_INST( inst ) \
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| static BOOST_JOIN( inst, _t)& inst = BOOST_JOIN (inst, _t)::instance();
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| 
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| #else
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| 
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| #define BOOST_TEST_SINGLETON_INST( inst ) \
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| namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
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| 
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| #endif
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| 
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| //____________________________________________________________________________//
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| 
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| } // namespace unit_test
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| } // namespace boost
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| 
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| 
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| #include <boost/test/detail/enable_warnings.hpp>
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| 
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| #endif // BOOST_TEST_UTILS_TRIVIAL_SIGNLETON_HPP
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