boost/libs/log/test/run/form_to_log_manip.cpp
2018-01-12 21:47:58 +01:00

99 lines
2.9 KiB
C++

/*
* 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 form_to_log_manip.cpp
* \author Andrey Semashev
* \date 05.07.2015
*
* \brief This header contains tests for support for the \c to_log_manip customization point.
*/
#define BOOST_TEST_MODULE form_to_log_manip
#include <string>
#include <ostream>
#include <algorithm>
#include <boost/test/unit_test.hpp>
#include <boost/log/attributes/constant.hpp>
#include <boost/log/attributes/attribute_set.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/utility/manipulators/to_log.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/core/record.hpp>
#include "char_definitions.hpp"
#include "make_record.hpp"
namespace logging = boost::log;
namespace attrs = logging::attributes;
namespace expr = logging::expressions;
namespace {
struct my_class
{
int m_Data;
explicit my_class(int data) : m_Data(data) {}
};
} // namespace
BOOST_LOG_ATTRIBUTE_KEYWORD(a_my_class, "MyClass", my_class)
BOOST_LOG_ATTRIBUTE_KEYWORD(a_string, "String", std::string)
namespace {
template< typename CharT, typename TraitsT, typename AllocatorT >
inline logging::basic_formatting_ostream< CharT, TraitsT, AllocatorT >&
operator<< (logging::basic_formatting_ostream< CharT, TraitsT, AllocatorT >& strm, logging::to_log_manip< my_class, tag::a_my_class > const& obj)
{
strm << "a_my_class: [data: " << obj.get().m_Data << "]";
return strm;
}
} // namespace
namespace std {
template< typename CharT, typename TraitsT, typename AllocatorT >
inline logging::basic_formatting_ostream< CharT, TraitsT, AllocatorT >&
operator<< (logging::basic_formatting_ostream< CharT, TraitsT, AllocatorT >& strm, logging::to_log_manip< std::string, tag::a_string > const& obj)
{
strm << "a_string: [" << obj.get() << "]";
return strm;
}
} // namespace std
BOOST_AUTO_TEST_CASE_TEMPLATE(operator_overrides, CharT, char_types)
{
typedef logging::record_view record_view;
typedef logging::attribute_set attr_set;
typedef std::basic_string< CharT > string;
typedef logging::basic_formatting_ostream< CharT > osstream;
typedef logging::basic_formatter< CharT > formatter;
attrs::constant< my_class > attr1(my_class(77));
attrs::constant< std::string > attr2("Hello");
attr_set set1;
set1[a_my_class.get_name()] = attr1;
set1[a_string.get_name()] = attr2;
record_view rec = make_record_view(set1);
// Check that out custom operators are called
{
string str1, str2;
osstream strm1(str1), strm2(str2);
formatter f = expr::stream << a_my_class << ", " << a_string;
f(rec, strm1);
strm2 << "a_my_class: [data: " << 77 << "], a_string: [" << "Hello" << "]";
BOOST_CHECK(equal_strings(strm1.str(), strm2.str()));
}
}