Chris@16: #ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED
Chris@16: #define BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: //
Chris@16: //  boost/detail/lightweight_test.hpp - lightweight test library
Chris@16: //
Chris@16: //  Copyright (c) 2002, 2009 Peter Dimov
Chris@16: //  Copyright (2) Beman Dawes 2010, 2011
Chris@16: //  Copyright (3) Ion Gaztanaga 2013
Chris@16: //
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: //    ---------------
Chris@16: //
Chris@16: //    If expression is false increases the error count 
Chris@16: //    and outputs a message containing 'expression'
Chris@16: //
Chris@16: //  BOOST_TEST(expression)
Chris@16: //
Chris@16: //    ---------------
Chris@16: //
Chris@16: //    Increases error count and outputs a message containing 'message'
Chris@16: //
Chris@16: //  BOOST_ERROR(message)
Chris@16: //
Chris@16: //    ---------------
Chris@16: //
Chris@16: //    If 'expr1' != 'expr2' increases the error count 
Chris@16: //    and outputs a message containing both expressions
Chris@16: //
Chris@16: //  BOOST_TEST_EQ(expr1, expr2)
Chris@16: //
Chris@16: //    ---------------
Chris@16: //
Chris@16: //    If 'expr1' == 'expr2' increases the error count 
Chris@16: //    and outputs a message containing both expressions
Chris@16: //
Chris@16: //  BOOST_TEST_NE(expr1, expr2)
Chris@16: //
Chris@16: //    ---------------
Chris@16: //
Chris@16: //    If BOOST_NO_EXCEPTIONS is NOT defined and if 'expr' does not
Chris@16: //    throw an exception of type 'excep', increases the error count
Chris@16: //    and outputs a message containing the expression.
Chris@16: //
Chris@16: //    If BOOST_NO_EXCEPTIONS is defined, this macro expands to nothing
Chris@16: //    and 'expr' is not evaluated.
Chris@16: //
Chris@16: //  BOOST_TEST_THROWS(expr, excep)
Chris@16: //
Chris@16: //    ---------------
Chris@16: //
Chris@16: //    Returns the error count
Chris@16: //
Chris@16: //  int boost::report_errors()
Chris@16: //
Chris@16: 
Chris@16: #include <iostream>
Chris@16: #include <boost/current_function.hpp>
Chris@16: #include <boost/assert.hpp>
Chris@16: #include <boost/detail/no_exceptions_support.hpp>
Chris@16: 
Chris@16: //  IDE's like Visual Studio perform better if output goes to std::cout or
Chris@16: //  some other stream, so allow user to configure output stream:
Chris@16: #ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16: # define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cerr
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16: 
Chris@16: namespace detail
Chris@16: {
Chris@16: 
Chris@16: struct report_errors_reminder
Chris@16: {
Chris@16:   bool called_report_errors_function;
Chris@16:   report_errors_reminder() : called_report_errors_function(false) {}
Chris@16:  ~report_errors_reminder()
Chris@16:   {
Chris@16:     BOOST_ASSERT(called_report_errors_function);  // verify report_errors() was called  
Chris@16:   }
Chris@16: };
Chris@16: 
Chris@16: inline report_errors_reminder& report_errors_remind()
Chris@16: {
Chris@16:   static report_errors_reminder r;
Chris@16:   return r;
Chris@16: }
Chris@16: 
Chris@16: inline int & test_errors()
Chris@16: {
Chris@16:     static int x = 0;
Chris@16:     report_errors_remind();
Chris@16:     return x;
Chris@16: }
Chris@16: 
Chris@16: inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)
Chris@16: {
Chris@16:     BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:       << file << "(" << line << "): test '" << expr << "' failed in function '"
Chris@16:       << function << "'" << std::endl;
Chris@16:     ++test_errors();
Chris@16: }
Chris@16: 
Chris@16: inline void error_impl(char const * msg, char const * file, int line, char const * function)
Chris@16: {
Chris@16:     BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:       << file << "(" << line << "): " << msg << " in function '"
Chris@16:       << function << "'" << std::endl;
Chris@16:     ++test_errors();
Chris@16: }
Chris@16: 
Chris@16: inline void throw_failed_impl(char const * excep, char const * file, int line, char const * function)
Chris@16: {
Chris@16:    BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:     << file << "(" << line << "): Exception '" << excep << "' not thrown in function '"
Chris@16:     << function << "'" << std::endl;
Chris@16:    ++test_errors();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class U> inline void test_eq_impl( char const * expr1, char const * expr2,
Chris@16:   char const * file, int line, char const * function, T const & t, U const & u )
Chris@16: {
Chris@16:     if( t == u )
Chris@16:     {
Chris@16:     }
Chris@16:     else
Chris@16:     {
Chris@16:         BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:             << file << "(" << line << "): test '" << expr1 << " == " << expr2
Chris@16:             << "' failed in function '" << function << "': "
Chris@16:             << "'" << t << "' != '" << u << "'" << std::endl;
Chris@16:         ++test_errors();
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: template<class T, class U> inline void test_ne_impl( char const * expr1, char const * expr2,
Chris@16:   char const * file, int line, char const * function, T const & t, U const & u )
Chris@16: {
Chris@16:     if( t != u )
Chris@16:     {
Chris@16:     }
Chris@16:     else
Chris@16:     {
Chris@16:         BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:             << file << "(" << line << "): test '" << expr1 << " != " << expr2
Chris@16:             << "' failed in function '" << function << "': "
Chris@16:             << "'" << t << "' == '" << u << "'" << std::endl;
Chris@16:         ++test_errors();
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: } // namespace detail
Chris@16: 
Chris@16: inline int report_errors()
Chris@16: {
Chris@16:     detail::report_errors_remind().called_report_errors_function = true;
Chris@16: 
Chris@16:     int errors = detail::test_errors();
Chris@16: 
Chris@16:     if( errors == 0 )
Chris@16:     {
Chris@16:         BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:           << "No errors detected." << std::endl;
Chris@16:         return 0;
Chris@16:     }
Chris@16:     else
Chris@16:     {
Chris@16:         BOOST_LIGHTWEIGHT_TEST_OSTREAM
Chris@16:           << errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;
Chris@16:         return 1;
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #define BOOST_TEST(expr) ((expr)? (void)0: ::boost::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))
Chris@16: #define BOOST_ERROR(msg) ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
Chris@16: #define BOOST_TEST_EQ(expr1,expr2) ( ::boost::detail::test_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
Chris@16: #define BOOST_TEST_NE(expr1,expr2) ( ::boost::detail::test_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
Chris@16: #ifndef BOOST_NO_EXCEPTIONS
Chris@16:    #define BOOST_TEST_THROWS( EXPR, EXCEP )                    \
Chris@16:       try {                                                    \
Chris@16:          EXPR;                                                 \
Chris@16:          ::boost::detail::throw_failed_impl                    \
Chris@16:          (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
Chris@16:       }                                                        \
Chris@16:       catch(EXCEP const&) {                                    \
Chris@16:       }                                                        \
Chris@16:       catch(...) {                                             \
Chris@16:          ::boost::detail::throw_failed_impl                    \
Chris@16:          (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
Chris@16:       }                                                        \
Chris@16:    //
Chris@16: #else
Chris@16:    #define BOOST_TEST_THROWS( EXPR, EXCEP )
Chris@16: #endif
Chris@16: 
Chris@16: #endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED