test_tools.ipp

C++的一个好库。。。现在很流行

is_defined_impl( const_string symbol_name, const_string symbol_value )
{
    symbol_value.trim_left( 2 );
    return symbol_name != symbol_value;
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************               log print helper               ************** //
// ************************************************************************** //

void
print_log_value<char>::operator()( std::ostream& ostr, char t )
{
    if( (std::isprint)( t ) )
        ostr << '\'' << t << '\'';
    else
        ostr << std::hex
        // showbase is only available for new style streams:
#ifndef BOOST_NO_STD_LOCALE
        << std::showbase
#else
        << "0x"
#endif
        << (int)t;
}

//____________________________________________________________________________//

void
print_log_value<unsigned char>::operator()( std::ostream& ostr, unsigned char t )
{
    ostr << std::hex
        // showbase is only available for new style streams:
#ifndef BOOST_NO_STD_LOCALE
        << std::showbase
#else
        << "0x"
#endif
       << (int)t;
}

//____________________________________________________________________________//

void
print_log_value<char const*>::operator()( std::ostream& ostr, char const* t )
{
    ostr << ( t ? t : "null string" );
}

//____________________________________________________________________________//

void
print_log_value<wchar_t const*>::operator()( std::ostream& ostr, wchar_t const* t )
{
    ostr << ( t ? t : L"null string" );
}

//____________________________________________________________________________//

} // namespace tt_detail

// ************************************************************************** //
// **************               output_test_stream             ************** //
// ************************************************************************** //

struct output_test_stream::Impl
{
    std::fstream    m_pattern;
    bool            m_match_or_save;
    std::string     m_synced_string;

    char            get_char()
    {
        char res;
        do {
            m_pattern.get( res );
        } while( res == '\r' && !m_pattern.fail() && !m_pattern.eof() );

        return res;
    }

    void            check_and_fill( predicate_result& res )
    {
        if( !res.p_predicate_value )
            res.message() << "Output content: \"" << m_synced_string << '\"';
    }
};

//____________________________________________________________________________//

output_test_stream::output_test_stream( const_string pattern_file_name, bool match_or_save )
: m_pimpl( new Impl )
{
    if( !pattern_file_name.is_empty() ) {
        m_pimpl->m_pattern.open( pattern_file_name.begin(), match_or_save ? std::ios::in : std::ios::out );

        BOOST_WARN_MESSAGE( m_pimpl->m_pattern.is_open(),
                             "Couldn't open pattern file " << pattern_file_name
                                << " for " << ( m_pimpl->m_match_or_save ? "reading" : "writing") );
    }

    m_pimpl->m_match_or_save = match_or_save;
}

//____________________________________________________________________________//

output_test_stream::~output_test_stream()
{
    delete m_pimpl;
}

//____________________________________________________________________________//

predicate_result
output_test_stream::is_empty( bool flush_stream )
{
    sync();

    result_type res( m_pimpl->m_synced_string.empty() );

    m_pimpl->check_and_fill( res );

    if( flush_stream )
        flush();

    return res;
}

//____________________________________________________________________________//

predicate_result
output_test_stream::check_length( std::size_t length_, bool flush_stream )
{
    sync();

    result_type res( m_pimpl->m_synced_string.length() == length_ );

    m_pimpl->check_and_fill( res );

    if( flush_stream )
        flush();

    return res;
}

//____________________________________________________________________________//

predicate_result
output_test_stream::is_equal( const_string arg, bool flush_stream )
{
    sync();

    result_type res( const_string( m_pimpl->m_synced_string ) == arg );

    m_pimpl->check_and_fill( res );

    if( flush_stream )
        flush();

    return res;
}

//____________________________________________________________________________//

predicate_result
output_test_stream::match_pattern( bool flush_stream )
{
    sync();

    result_type result( true );

    if( !m_pimpl->m_pattern.is_open() ) {
        result = false;
        result.message() << "I/O failure";
    }
    else {
        if( m_pimpl->m_match_or_save ) {
            for ( std::string::size_type i = 0; i < m_pimpl->m_synced_string.length(); ++i ) {
                char c = m_pimpl->get_char();

                result = !m_pimpl->m_pattern.fail() &&
                         !m_pimpl->m_pattern.eof()  &&
                         (m_pimpl->m_synced_string[i] == c);

                if( !result ) {
                    std::string::size_type suffix_size  = (std::min)( m_pimpl->m_synced_string.length() - i,
                                                                    static_cast<std::string::size_type>(5) );

                    // try to log area around the mismatch
                    result.message() << "Mismatch at position " << i << '\n'
                        << "..." << m_pimpl->m_synced_string.substr( i, suffix_size ) << "..." << '\n'
                        << "..." << c;

                    std::string::size_type counter = suffix_size;
                    while( --counter ) {
                        char c = m_pimpl->get_char();

                        if( m_pimpl->m_pattern.fail() || m_pimpl->m_pattern.eof() )
                            break;

                        result.message() << c;
                    }

                    result.message() << "...";

                    // skip rest of the bytes. May help for further matching
                    m_pimpl->m_pattern.ignore( m_pimpl->m_synced_string.length() - i - suffix_size );
                    break;
                }
            }
        }
        else {
            m_pimpl->m_pattern.write( m_pimpl->m_synced_string.c_str(),
                                      static_cast<std::streamsize>( m_pimpl->m_synced_string.length() ) );
            m_pimpl->m_pattern.flush();
        }
    }

    if( flush_stream )
        flush();

    return result;
}

//____________________________________________________________________________//

void
output_test_stream::flush()
{
    m_pimpl->m_synced_string.erase();

#ifndef BOOST_NO_STRINGSTREAM
    str( std::string() );
#else
    seekp( 0, std::ios::beg );
#endif
}

//____________________________________________________________________________//

std::size_t
output_test_stream::length()
{
    sync();

    return m_pimpl->m_synced_string.length();
}

//____________________________________________________________________________//

void
output_test_stream::sync()
{
#ifdef BOOST_NO_STRINGSTREAM
    m_pimpl->m_synced_string.assign( str(), pcount() );
    freeze( false );
#elif BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x530) )
    m_pimpl->m_synced_string.assign( str().c_str(), tellp() );
#else
    m_pimpl->m_synced_string = str();
#endif
}

//____________________________________________________________________________//

} // namespace test_tools

} // namespace boost

//____________________________________________________________________________//

#include <boost/test/detail/enable_warnings.hpp>

// ***************************************************************************
//  Revision History :
//
//  $Log: test_tools.ipp,v $
//  Revision 1.9  2005/06/22 22:03:05  dgregor
//  More explicit scoping needed for GCC 2.95.3
//
//  Revision 1.8  2005/04/30 17:56:31  rogeeff
//  switch to stdarg.h to workarround como issues
//
//  Revision 1.7  2005/03/23 21:02:23  rogeeff
//  Sunpro CC 5.3 fixes
//
//  Revision 1.6  2005/02/21 10:14:04  rogeeff
//  CHECK_SMALL tool implemented
//
//  Revision 1.5  2005/02/20 08:27:07  rogeeff
//  This a major update for Boost.Test framework. See release docs for complete list of fixes/updates
//
//  Revision 1.4  2005/02/02 12:08:14  rogeeff
//  namespace log added for log manipulators
//
//  Revision 1.3  2005/02/01 06:40:07  rogeeff
//  copyright update
//  old log entries removed
//  minor stilistic changes
//  depricated tools removed
//
//  Revision 1.2  2005/01/30 03:18:27  rogeeff
//  test tools implementation completely reworked. All tools inplemented through single vararg function
//
//  Revision 1.1  2005/01/22 19:22:12  rogeeff
//  implementation moved into headers section to eliminate dependency of included/minimal component on src directory
//
//  Revision 1.43  2005/01/19 06:40:05  vawjr
//  deleted redundant \r in many \r\r\n sequences of the source.  VC8.0 doesn't like them
//
//  Revision 1.42  2005/01/18 08:30:08  rogeeff
//  unit_test_log rework:
//     eliminated need for ::instance()
//     eliminated need for << end and ...END macro
//     straitend interface between log and formatters
//     change compiler like formatter name
//     minimized unit_test_log interface and reworked to use explicit calls
//
// ***************************************************************************

#endif // BOOST_TEST_TEST_TOOLS_IPP_012205GER