Chris@16: //  (C) Copyright Gennadiy Rozental 2005-2008.
Chris@16: //  Distributed under the Boost Software License, Version 1.0.
Chris@16: //  (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : simple helpers for creating cusom output manipulators
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER
Chris@16: #define BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <boost/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/noncopyable.hpp>
Chris@16: 
Chris@16: #include <boost/test/detail/suppress_warnings.hpp>
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace unit_test {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                   singleton                  ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename Derived>
Chris@16: class singleton : private boost::noncopyable {
Chris@16: public:
Chris@16:     static Derived& instance() { static Derived the_inst; return the_inst; }    
Chris@16: protected:
Chris@16:     singleton()  {}
Chris@16:     ~singleton() {}
Chris@16: };
Chris@16: 
Chris@16: } // namespace unit_test
Chris@16: 
Chris@16: #define BOOST_TEST_SINGLETON_CONS( type )       \
Chris@16: friend class boost::unit_test::singleton<type>; \
Chris@16: type() {}                                       \
Chris@16: /**/
Chris@16: 
Chris@16: #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
Chris@16: 
Chris@16: #define BOOST_TEST_SINGLETON_INST( inst ) \
Chris@16: template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \
Chris@16: namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
Chris@16: 
Chris@16: #elif defined(__APPLE_CC__) && defined(__GNUC__) && __GNUC__ < 4
Chris@16: #define BOOST_TEST_SINGLETON_INST( inst ) \
Chris@16: static BOOST_JOIN( inst, _t)& inst = BOOST_JOIN (inst, _t)::instance();
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: #define BOOST_TEST_SINGLETON_INST( inst ) \
Chris@16: namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #include <boost/test/detail/enable_warnings.hpp>
Chris@16: 
Chris@16: #endif // BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER