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/*
* Copyright Andrey Semashev 2007 - 2015.
* 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)
*/
/*!
* \file util_manip_to_log.cpp
* \author Andrey Semashev
* \date 05.07.2015
*
* \brief This header contains tests for the \c to_log stream manipulator.
*/
#define BOOST_TEST_MODULE util_manip_to_log
#include <string>
#include <sstream>
#include <algorithm>
#include <boost/test/unit_test.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/utility/manipulators/to_log.hpp>
#include "char_definitions.hpp"
namespace logging = boost::log;
namespace tag {
struct a_my_class;
} // namespace tag
namespace {
struct my_class
{
int m_Data;
explicit my_class(int data) : m_Data(data) {}
};
template< typename CharT, typename TraitsT >
inline std::basic_ostream< CharT, TraitsT >&
operator<< (std::basic_ostream< CharT, TraitsT >& strm, my_class const& obj)
{
strm << "my_class: [data: " << obj.m_Data << "]";
return strm;
}
template< typename StreamT >
inline StreamT&
operator<< (StreamT& strm, logging::to_log_manip< my_class > const& obj)
{
strm << "to_log(my_class: [data: " << obj.get().m_Data << "])";
return strm;
}
template< typename StreamT >
inline StreamT&
operator<< (StreamT& strm, logging::to_log_manip< my_class, tag::a_my_class > const& obj)
{
strm << "to_log<a_my_class>(my_class: [data: " << obj.get().m_Data << "])";
return strm;
}
template< typename CharT, typename StreamT >
struct tests
{
typedef CharT char_type;
typedef StreamT stream_type;
typedef std::basic_string< char_type > string;
typedef std::basic_ostringstream< char_type > std_stream;
//! The test verifies that the default behavior of the manipulator is equivalent to the standard operator<<
static void default_operator()
{
string str;
stream_type strm1(str);
strm1 << logging::to_log(10);
std_stream strm2;
strm2 << 10;
BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
}
//! The test verifies that operator overrides work
static void operator_overrides()
{
{
string str;
stream_type strm1(str);
strm1 << my_class(10);
std_stream strm2;
strm2 << "my_class: [data: " << 10 << "]";
BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
}
{
string str;
stream_type strm1(str);
strm1 << logging::to_log(my_class(10));
std_stream strm2;
strm2 << "to_log(my_class: [data: " << 10 << "])";
BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
}
{
string str;
stream_type strm1(str);
strm1 << logging::to_log< tag::a_my_class >(my_class(10));
std_stream strm2;
strm2 << "to_log<a_my_class>(my_class: [data: " << 10 << "])";
BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
}
}
};
} // namespace
//! The test verifies that the default behavior of the manipulator is equivalent to the standard operator<<
BOOST_AUTO_TEST_CASE_TEMPLATE(default_operator, CharT, char_types)
{
tests< CharT, std::basic_ostringstream< CharT > >::default_operator();
tests< CharT, logging::basic_formatting_ostream< CharT > >::default_operator();
}
//! The test verifies that operator overrides work
BOOST_AUTO_TEST_CASE_TEMPLATE(operator_overrides, CharT, char_types)
{
tests< CharT, std::basic_ostringstream< CharT > >::operator_overrides();
tests< CharT, logging::basic_formatting_ostream< CharT > >::operator_overrides();
}
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