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/*
* Copyright Andrey Semashev 2020.
* 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_optional.cpp
* \author Andrey Semashev
* \date 12.05.2020
*
* \brief This header contains tests for the optional manipulator.
*/
#define BOOST_TEST_MODULE util_manip_optional
#include <string>
#include <sstream>
#include <boost/config.hpp>
#include <boost/optional.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/log/utility/manipulators/optional.hpp>
#include "char_definitions.hpp"
namespace logging = boost::log;
struct my_int_wrapper
{
int n;
my_int_wrapper(int x = 0) BOOST_NOEXCEPT : n(x) {}
};
template< typename CharT, typename TraitsT >
inline std::basic_ostream< CharT, TraitsT >& operator<< (std::basic_ostream< CharT, TraitsT >& strm, my_int_wrapper miw)
{
if (BOOST_LIKELY(strm.good()))
strm << '{' << miw.n << '}';
return strm;
}
BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_no_marker, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
typedef std::basic_string< char_type > string_type;
boost::optional< int > data;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data);
BOOST_CHECK(equal_strings(strm_dump.str(), string_type()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_char, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
boost::optional< int > data;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, '-');
ostream_type strm_correct;
strm_correct << "-";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
boost::optional< int > data;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, "[none]");
ostream_type strm_correct;
strm_correct << "[none]";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(opt_none_with_marker_std_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
typedef std::basic_string< char_type > string_type;
boost::optional< int > data;
string_type marker;
marker.push_back('[');
marker.push_back('n');
marker.push_back('o');
marker.push_back('n');
marker.push_back('e');
marker.push_back(']');
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, marker);
ostream_type strm_correct;
strm_correct << "[none]";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_none_with_marker_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
const int* data = 0;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, "[none]");
ostream_type strm_correct;
strm_correct << "[none]";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(opt_int_with_marker_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
boost::optional< int > data;
data = 7;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, "[none]");
ostream_type strm_correct;
strm_correct << "7";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_int_with_marker_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
int n = 7;
int* data = &n;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, "[none]");
ostream_type strm_correct;
strm_correct << "7";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
BOOST_AUTO_TEST_CASE_TEMPLATE(ptr_miw_with_marker_string, CharT, char_types)
{
typedef CharT char_type;
typedef std::basic_ostringstream< char_type > ostream_type;
my_int_wrapper n(7);
const my_int_wrapper* data = &n;
ostream_type strm_dump;
strm_dump << logging::optional_manip(data, "[none]");
ostream_type strm_correct;
strm_correct << "{7}";
BOOST_CHECK(equal_strings(strm_dump.str(), strm_correct.str()));
}
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