boost/libs/leaf/test/try_catch_error_id_test.cpp
2021-10-05 21:37:46 +02:00

56 lines
1.2 KiB
C++

// Copyright (c) 2018-2021 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/detail/config.hpp>
#ifdef BOOST_LEAF_NO_EXCEPTIONS
#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/handle_errors.hpp>
# include <boost/leaf/exception.hpp>
# include <boost/leaf/pred.hpp>
#endif
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
struct info { int value; };
struct my_error: std::exception { };
int main()
{
int r = leaf::try_catch(
[]() -> int
{
throw leaf::exception( my_error(), info{42} );
},
[]( my_error const & x, leaf::catch_<leaf::error_id> id )
{
BOOST_TEST(dynamic_cast<leaf::error_id const *>(&id.matched)!=0 && dynamic_cast<leaf::error_id const *>(&id.matched)->value()==1);
return 1;
},
[]
{
return 2;
} );
BOOST_TEST_EQ(r, 1);
return boost::report_errors();
}
#endif