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// Copyright 2018-2024 Emil Dotchevski and Reverge Studios, Inc.
// 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)
#include <boost/leaf/config.hpp>
#if !BOOST_LEAF_CFG_DIAGNOSTICS || !BOOST_LEAF_CFG_STD_STRING
#include <iostream>
int main()
{
std::cout << "Unit test not applicable." << std::endl;
return 0;
}
#else
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/detail/print.hpp>
#endif
#include <sstream>
#include <iostream>
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
struct c0
{
friend std::ostream & operator<<( std::ostream & os, c0 const & )
{
return os << "info";
}
};
struct c1
{
int value;
friend std::ostream & operator<<( std::ostream & os, c1 const & x )
{
return os << "value " << x.value;
}
};
struct c2
{
int value;
};
std::ostream & operator<<( std::ostream & os, c2 const & x )
{
return os << "value " << x.value;
}
struct c3
{
int value;
};
struct c4
{
struct unprintable { };
unprintable value;;
};
template <int Line, class T>
std::string print(T const & x, char const * prefix, char const * delimiter)
{
using namespace leaf::detail;
std::ostringstream s;
diagnostic<T>::print(s, prefix, delimiter, x);
diagnostic<T>::print(s, prefix, delimiter, x);
std::string q = s.str();
std::cout << "[LINE " << Line << "] " << q << '\n';
return q;
}
struct my_exception: std::exception
{
char const * what() const noexcept override { return "my_exception what"; }
};
int main()
{
{
std::string out = print<__LINE__>(c0{}, "Title " , ", ");
BOOST_TEST_EQ(out, "Title c0: info, c0: info");
}
{
std::string out = print<__LINE__>(c1{42}, "Title ", ", ");
BOOST_TEST_EQ(out, "Title c1: value 42, c1: value 42");
}
{
std::string out = print<__LINE__>(c2{42}, "Title ", ", ");
BOOST_TEST_EQ(out, "Title c2: value 42, c2: value 42");
}
{
std::string out = print<__LINE__>(c3{42}, "Title ", ", ");
BOOST_TEST_EQ(out, "Title c3: 42, c3: 42");
}
{
std::string out = print<__LINE__>(c4{}, "Title ", ", ");
BOOST_TEST_EQ(out, "Title c4, c4");
}
{
std::string out = print<__LINE__>(my_exception{}, "Title ", ", ");
BOOST_TEST_EQ(out, "Title my_exception: \"my_exception what\", my_exception: \"my_exception what\"");
}
return boost::report_errors();
}
#endif
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