test_tools.ipp

来自「Boost provides free peer-reviewed portab」· IPP 代码 · 共 631 行 · 第 1/2 页

        char const* left_begin_descr    = va_arg( args, char const* );
        char const* left_end_descr      = va_arg( args, char const* );
        char const* right_begin_descr   = va_arg( args, char const* );
        char const* right_end_descr     = va_arg( args, char const* );

        unit_test_log << unit_test::log::begin( file_name, line_num ) 
                      << ll << prefix 
                      << "{ " << left_begin_descr  << ", " << left_end_descr  << " } == { " 
                              << right_begin_descr << ", " << right_end_descr << " }"
                      << suffix;

        va_end( args );
        
        if( !pr.has_empty_message() )
            unit_test_log << ". " << pr.message();

        unit_test_log << unit_test::log::end();
        break;
    }

    case CHECK_BITWISE_EQUAL: {
        va_list args;

        va_start( args, num_of_args );
        char const* left_descr    = va_arg( args, char const* );
        char const* right_descr   = va_arg( args, char const* );

        unit_test_log << unit_test::log::begin( file_name, line_num )
                      << ll << prefix << left_descr  << " =.= " << right_descr << suffix;

        va_end( args );
        
        if( !pr.has_empty_message() )
            unit_test_log << ". " << pr.message();

        unit_test_log << unit_test::log::end();
        break;
    }
    }

    switch( tl ) {
    case PASS:
        framework::assertion_result( true );
        return true;

    case WARN:
        return false;

    case CHECK:
        framework::assertion_result( false );
        return false;
        
    case REQUIRE:
        framework::assertion_result( false );

        framework::test_unit_aborted( framework::current_test_case() );

        throw execution_aborted();
    }

    return true;
}

//____________________________________________________________________________//

predicate_result
equal_impl( char const* left, char const* right )
{
    return (left && right) ? std::strcmp( left, right ) == 0 : (left == right);
}

//____________________________________________________________________________//

#if !defined( BOOST_NO_CWCHAR )

predicate_result
equal_impl( wchar_t const* left, wchar_t const* right )
{
    return (left && right) ? std::wcscmp( left, right ) == 0 : (left == right);
}

#endif // !defined( BOOST_NO_CWCHAR )

//____________________________________________________________________________//

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

//____________________________________________________________________________//

} // namespace tt_detail

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

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

    char            get_char()
    {
        char res;
        do {
            m_pattern.get( res );
        } while( m_text_or_binary && 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, bool text_or_binary )
: m_pimpl( new Impl )
{
    if( !pattern_file_name.is_empty() ) {
        std::ios::openmode m = match_or_save ? std::ios::in : std::ios::out;
        if( !text_or_binary )
            m |= std::ios::binary;

        m_pimpl->m_pattern.open( pattern_file_name.begin(), m );

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

    m_pimpl->m_match_or_save    = match_or_save;
    m_pimpl->m_text_or_binary   = text_or_binary;
}

//____________________________________________________________________________//

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() << "Pattern file could not be opened!";
    }
    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( 
                        static_cast<std::streamsize>( 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 );
#else
    m_pimpl->m_synced_string = str();
#endif
}

//____________________________________________________________________________//

} // namespace test_tools

} // namespace boost

//____________________________________________________________________________//

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

#endif // BOOST_TEST_TEST_TOOLS_IPP_012205GER