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// (C) Copyright Gennadiy Rozental 2005.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile: trivial_singleton.hpp,v $
//
// Version : $Revision: 1.2 $
//
// Description : simple helpers for creating cusom output manipulators
// ***************************************************************************
#ifndef BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER
#define BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER
#include <boost/noncopyable.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
// ************************************************************************** //
// ************** singleton ************** //
// ************************************************************************** //
template<typename Derived>
class singleton : private boost::noncopyable {
public:
static Derived& instance() { static Derived the_inst; return the_inst; }
protected:
singleton() {}
~singleton() {}
};
} // namespace unit_test
#define BOOST_TEST_SINGLETON_CONS( type ) \
friend class boost::unit_test::singleton<type>; \
type() {} \
/**/
#if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
#define BOOST_TEST_SINGLETON_INST( inst ) \
template class unit_test::singleton< BOOST_JOIN( inst, _t ) > ; \
namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
#else
#define BOOST_TEST_SINGLETON_INST( inst ) \
namespace { BOOST_JOIN( inst, _t)& inst = BOOST_JOIN( inst, _t)::instance(); }
#endif
} // namespace boost
//____________________________________________________________________________//
#include <boost/test/detail/enable_warnings.hpp>
// ***************************************************************************
// Revision History :
//
// $Log: trivial_singleton.hpp,v $
// Revision 1.2 2005/06/15 07:21:51 schoepflin
// Tru64 needs an explicit instantiation of the singleton template. Otherwise we
// end up with multiple singleton instances.
//
// Revision 1.1 2005/02/20 08:27:08 rogeeff
// This a major update for Boost.Test framework. See release docs for complete list of fixes/updates
//
// ***************************************************************************
#endif // BOOST_TEST_TRIVIAL_SIGNLETON_HPP_020505GER