leaf/test/visibility_test.cpp

// 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)

#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
#   include "leaf.hpp"
#else
#   include <boost/leaf/diagnostics.hpp>
#   include <boost/leaf/result.hpp>
#endif

#include "visibility_test_lib.hpp"

#if BOOST_LEAF_CFG_STD_STRING
#   include <sstream>
#   include <iostream>
#endif

#include "lightweight_test.hpp"

namespace leaf = boost::leaf;

leaf::result<void> hidden_result();
void hidden_throw();

int main()
{
    {
        int r = leaf::try_handle_all(
            []() -> leaf::result<int>
            {
                BOOST_LEAF_CHECK(hidden_result());
                return 0;
            },
            []( my_info<1> x1, my_info<2> x2, leaf::diagnostic_details const & info, leaf::diagnostic_details const & vinfo )
            {
                BOOST_TEST_EQ(x1.value, 1);
                BOOST_TEST_EQ(x2.value, 2);
                if( BOOST_LEAF_CFG_DIAGNOSTICS )
                {
#if BOOST_LEAF_CFG_STD_STRING
                    std::ostringstream ss; ss << vinfo;
                    std::string s = ss.str();
                    std::cout << s << std::endl;
                    if( BOOST_LEAF_CFG_DIAGNOSTICS && BOOST_LEAF_CFG_CAPTURE )
                        BOOST_TEST_NE(s.find("Test my_info<3>::value = 3"), std::string::npos);
#endif
                }
                return 1;
            },
            [](leaf::diagnostic_details const & vinfo)
            {
                std::cout << "Test is failing\n" << vinfo;
                return 2;
            } );
        BOOST_TEST_EQ(r, 1);
    }

#ifndef BOOST_LEAF_NO_EXCEPTIONS
    {
        int r = leaf::try_catch(
            []
            {
                hidden_throw();
                return 0;
            },
            []( my_info<1> x1, my_info<2> x2, leaf::diagnostic_details const & info, leaf::diagnostic_details const & vinfo )
            {
                BOOST_TEST_EQ(x1.value, 1);
                BOOST_TEST_EQ(x2.value, 2);
                if( BOOST_LEAF_CFG_DIAGNOSTICS )
                {
#if BOOST_LEAF_CFG_STD_STRING
                    std::ostringstream ss; ss << vinfo;
                    std::string s = ss.str();
                    std::cout << s << std::endl;
                    if( BOOST_LEAF_CFG_DIAGNOSTICS && BOOST_LEAF_CFG_CAPTURE )
                        BOOST_TEST_NE(s.find("Test my_info<3>::value = 3"), std::string::npos);
#endif
                }
                return 1;
            },
            [](leaf::diagnostic_details const & vinfo)
            {
                std::cout << "Test is failing\n" << vinfo;
                return 2;
            } );
        BOOST_TEST_EQ(r, 1);
    }
    {
        try
        {
            hidden_throw();
            BOOST_ERROR("hidden_throw() failed to throw");
        }
        catch( leaf::error_id const & )
        {
        }
        catch(...)
        {
            BOOST_ERROR("Failed to catch leaf::error_id");
        }
    }
#endif

return boost::report_errors();
}