#ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED

 #define BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED

 // MS compatible compilers support #pragma once

 #if defined(_MSC_VER) && (_MSC_VER >= 1020)

 # pragma once

 #endif

 //

 //  boost/detail/lightweight_test.hpp - lightweight test library

 //

 //  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.

 //

 // 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)

 //

 //  BOOST_TEST(expression)

 //  BOOST_ERROR(message)

 //

 //  int boost::report_errors()

 //

 #include <boost/current_function.hpp>

 #include <iostream>

 namespace boost

 {

 namespace detail

 {

 inline int & test_errors()

 {

     static int x = 0;

     return x;

 }

 inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)

 {

     std::cerr << file << "(" << line << "): test '" << expr << "' failed in function '" << function << "'" << std::endl;

     ++test_errors();

 }

 inline void error_impl(char const * msg, char const * file, int line, char const * function)

 {

     std::cerr << file << "(" << line << "): " << msg << " in function '" << function << "'" << std::endl;

     ++test_errors();

 }

 } // namespace detail

 inline int report_errors()

 {

     int errors = detail::test_errors();

     if(errors == 0)

     {

         std::cerr << "No errors detected." << std::endl;

         return 0;

     }

     else

     {

         std::cerr << errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;

         return 1;

     }

 }

 } // namespace boost

 #define BOOST_TEST(expr) ((expr)? (void)0: ::boost::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))

 #define BOOST_ERROR(msg) ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)

 #endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED