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// Copyright 2022 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/throw_exception.hpp>
#include <boost/core/lightweight_test.hpp>
#if defined(_MSC_VER)
# pragma warning(disable: 4702) // unreachable code
#endif
class my_exception: public std::exception
{
};
int main()
{
try
{
boost::throw_with_location( my_exception() );
BOOST_ERROR( "boost::throw_with_location failed to throw" );
}
catch( std::exception const & x )
{
boost::source_location loc = boost::get_throw_location( x );
// When not supplied explicitly, the source location is best effort.
// It should be the location of the throw_with_location call on
// recent compilers, but that's not guaranteed for every compiler.
// So we can't be more specific in testing it.
BOOST_TEST_CSTR_NE( loc.file_name(), "" );
BOOST_TEST_NE( loc.line(), 0u );
}
catch( ... )
{
BOOST_ERROR( "boost::throw_with_location failed to throw std::exception" );
}
boost::source_location location = BOOST_CURRENT_LOCATION;
try
{
boost::throw_with_location( my_exception(), location );
BOOST_ERROR( "boost::throw_with_location failed to throw" );
}
catch( std::exception const & x )
{
boost::source_location loc = boost::get_throw_location( x );
BOOST_TEST_CSTR_EQ( loc.file_name(), location.file_name() );
BOOST_TEST_CSTR_EQ( loc.function_name(), location.function_name() );
BOOST_TEST_EQ( loc.line(), location.line() );
BOOST_TEST_EQ( loc.column(), location.column() );
}
catch( ... )
{
BOOST_ERROR( "boost::throw_with_location failed to throw std::exception" );
}
return boost::report_errors();
}
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