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// (C) Copyright Gennadiy Rozental 2005-2008.
// Use, modification, and distribution are subject to the
// Boost Software License, ELOG_VER 1.0. (See accompanying file
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : Facilities to perform interaction based testng of logged expectations
// ***************************************************************************
#ifndef BOOST_TEST_LOGGED_EXPECTATIONS_IPP_120905GER
#define BOOST_TEST_LOGGED_EXPECTATIONS_IPP_120905GER
// Boost.Test
#include <boost/test/detail/config.hpp>
#if BOOST_TEST_SUPPORT_INTERACTION_TESTING
#include <boost/test/detail/global_typedef.hpp>
#include <boost/test/utils/callback.hpp>
#include <boost/test/utils/iterator/token_iterator.hpp>
#include <boost/test/interaction_based.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
// Boost
#include <boost/lexical_cast.hpp>
// STL
#include <fstream>
//____________________________________________________________________________//
namespace boost {
using namespace ::boost::unit_test;
namespace itest {
// ************************************************************************** //
// ************** logged expectation test implementation ************** //
// ************************************************************************** //
struct expectations_logger : itest::manager {
// Constructor
expectations_logger( const_string log_file_name, bool test_or_log );
virtual bool decision_point( const_string, std::size_t );
virtual unsigned enter_scope( const_string, std::size_t, const_string scope_name );
virtual void allocated( const_string, std::size_t, void*, std::size_t s );
virtual void data_flow( const_string d );
virtual std::string return_value( const_string default_value );
private:
// Data members
bool m_test_or_log;
std::fstream m_log_file;
};
literal_string ELOG_VER = "1.0";
literal_string CLMN_SEP = "|";
static const char LINE_SEP = '\n';
literal_string FILE_SIG = "ELOG";
literal_string SCOPE_SIG = "SCOPE";
literal_string ALLOC_SIG = "ALLOC";
literal_string DP_SIG = "SWITCH";
literal_string DATA_SIG = "DATA";
literal_string RETURN_SIG = "RETURN";
//____________________________________________________________________________//
expectations_logger::expectations_logger( const_string log_file_name, bool test_or_log )
: m_test_or_log( test_or_log )
{
BOOST_REQUIRE_MESSAGE( !log_file_name.is_empty(), "Empty expectations log file name" );
m_log_file.open( log_file_name.begin(), test_or_log ? std::ios::in : std::ios::out );
BOOST_REQUIRE_MESSAGE( m_log_file.is_open(),
"Can't open expectations log file " << log_file_name
<< " for " << ( m_test_or_log ? "reading" : "writing") );
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, FILE_SIG );
++tit;
BOOST_CHECK_EQUAL( *tit, ELOG_VER );
}
else {
m_log_file << FILE_SIG << CLMN_SEP << ELOG_VER << LINE_SEP;
}
}
//____________________________________________________________________________//
bool
expectations_logger::decision_point( const_string, std::size_t )
{
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, DP_SIG ); ++tit;
return lexical_cast<bool>( *tit );
}
else {
m_log_file << DP_SIG << CLMN_SEP << std::boolalpha << true << LINE_SEP;
return true;
}
}
//____________________________________________________________________________//
unsigned
expectations_logger::enter_scope( const_string, std::size_t, const_string scope_name )
{
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, SCOPE_SIG ); ++tit;
BOOST_CHECK_EQUAL( *tit, scope_name );
}
else {
m_log_file << SCOPE_SIG << CLMN_SEP << scope_name << LINE_SEP;
}
return 0;
}
//____________________________________________________________________________//
void
expectations_logger::allocated( const_string, std::size_t, void*, std::size_t s )
{
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, ALLOC_SIG ); ++tit;
BOOST_CHECK_EQUAL( lexical_cast<std::size_t>( *tit ), s );
}
else {
m_log_file << ALLOC_SIG << CLMN_SEP << s << LINE_SEP;
}
}
//____________________________________________________________________________//
void
expectations_logger::data_flow( const_string d )
{
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, DATA_SIG ); ++tit;
BOOST_CHECK_EQUAL( *tit, d );
}
else {
m_log_file << DATA_SIG << CLMN_SEP << d << LINE_SEP;
}
}
//____________________________________________________________________________//
std::string
expectations_logger::return_value( const_string default_value )
{
if( m_test_or_log ) {
std::string line;
std::getline( m_log_file, line, LINE_SEP );
const_string cline( line );
string_token_iterator tit( cline, (dropped_delimeters = CLMN_SEP, kept_delimeters = dt_none));
BOOST_CHECK_EQUAL( *tit, RETURN_SIG ); ++tit;
return std::string( tit->begin(), tit->size() );
}
else {
m_log_file << RETURN_SIG << CLMN_SEP << default_value << LINE_SEP;
return std::string();
}
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** logged expectations test ************** //
// ************************************************************************** //
void BOOST_TEST_DECL
logged_expectations( callback0<> const& F, const_string log_file_name, bool test_or_log )
{
expectations_logger el( log_file_name, test_or_log );
F();
}
//____________________________________________________________________________//
} // namespace itest
} // namespace boost
//____________________________________________________________________________//
#include <boost/test/detail/enable_warnings.hpp>
#endif // not ancient compiler
#endif // BOOST_TEST_LOGGED_EXPECTATIONS_IPP_120905GER
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