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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)
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/on_error.hpp>
# include <boost/leaf/diagnostics.hpp>
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
template <int>
struct info
{
int value;
};
template <class G>
leaf::error_id f( G && g )
{
return std::forward<G>(g)();
}
template <class G>
void test( G && g )
{
int r = leaf::try_handle_all(
[&]() -> leaf::result<int>
{
return f(std::move(g));
},
[]( info<42> const & i42, leaf::diagnostic_info const & di )
{
BOOST_TEST_EQ(i42.value, 42);
return 1;
},
[]
{
return 2;
} );
BOOST_TEST_EQ(r, 1);
}
int main()
{
test(
[]
{
auto load = leaf::on_error( info<42>{42}, info<-42>{-42} );
return leaf::new_error();
});
test(
[]
{
info<42> inf1{42};
info<-42> const inf2{-42};
auto load = leaf::on_error( inf1, inf2 );
return leaf::new_error();
});
test(
[]
{
info<42> inf1{42};
auto load = leaf::on_error( inf1, info<-42>{-42} );
return leaf::new_error();
});
return boost::report_errors();
}
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