// Copyright 2020, 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt

#include <boost/assert/source_location.hpp>
#include <boost/core/lightweight_test.hpp>
#include <sstream>

int main()
{
    {
        boost::source_location loc;
        BOOST_TEST_EQ( loc.to_string(), std::string( "(unknown source location)" ) );
    }

    {
        boost::source_location loc;

        std::ostringstream os;
        os << loc;

        BOOST_TEST_EQ( os.str(), std::string( "(unknown source location)" ) );
    }

    {
        boost::source_location loc( "file", 5, "" );
        BOOST_TEST_EQ( loc.to_string(), std::string( "file:5" ) );
    }

    {
        boost::source_location loc( "file", 5, "" );

        std::ostringstream os;
        os << loc;

        BOOST_TEST_EQ( os.str(), std::string( "file:5" ) );
    }

    {
        boost::source_location loc( "file", 7, "main" );
        BOOST_TEST_EQ( loc.to_string(), std::string( "file:7 in function 'main'" ) );
    }

    {
        boost::source_location loc( "file", 7, "main" );

        std::ostringstream os;
        os << loc;

        BOOST_TEST_EQ( os.str(), std::string( "file:7 in function 'main'" ) );
    }

    {
        boost::source_location loc( "file", 11, "main", 13 );
        BOOST_TEST_EQ( loc.to_string(), std::string( "file:11:13 in function 'main'" ) );
    }

    {
        boost::source_location loc( "file", 11, "main", 13 );

        std::ostringstream os;
        os << loc;

        BOOST_TEST_EQ( os.str(), std::string( "file:11:13 in function 'main'" ) );
    }

    {
        boost::source_location loc( "file", 17, "", 19 );
        BOOST_TEST_EQ( loc.to_string(), std::string( "file:17:19" ) );
    }

    {
        boost::source_location loc( "file", 17, "", 19 );

        std::ostringstream os;
        os << loc;

        BOOST_TEST_EQ( os.str(), std::string( "file:17:19" ) );
    }

    {
        boost::source_location loc = BOOST_CURRENT_LOCATION;

        std::string prefix = std::string( __FILE__ ) + ":82";
        BOOST_TEST_EQ( loc.to_string().substr( 0, prefix.size() ), prefix );
    }

    {
        boost::source_location loc = BOOST_CURRENT_LOCATION;

        std::ostringstream os;
        os << loc;

        std::string prefix = std::string( __FILE__ ) + ":89";
        BOOST_TEST_EQ( os.str().substr( 0, prefix.size() ), prefix );
    }

    return boost::report_errors();
}