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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)
#include <boost/leaf/config.hpp>
#include <boost/leaf/handle_errors.hpp>
#include <boost/leaf/on_error.hpp>
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
#include <exception>
namespace leaf = boost::leaf;
template <int A>
struct info
{
int value;
};
leaf::result<void> f12()
{
return leaf::new_error( info<1>{1}, info<2>{2} );
}
leaf::result<void> f23()
{
return leaf::new_error( info<2>{2}, info<3>{3} );
}
int main()
{
{
int r = leaf::try_handle_all(
[]() -> leaf::result<int>
{
leaf::result<void> r1 = f12();
(void) r1;
leaf::result<void> r2 = f23();
return r2.error();
},
[]( info<1> )
{
return 1;
},
[]( info<2> const & x, info<3> const & y )
{
BOOST_TEST_EQ(x.value, 2);
BOOST_TEST_EQ(y.value, 3);
return 2;
},
[]
{
return 3;
} );
BOOST_TEST_EQ(r, 2);
}
#ifndef BOOST_LEAF_NO_EXCEPTIONS
{
int r = leaf::try_catch(
[]() -> int
{
try
{
leaf::throw_exception(info<4>{4});
}
catch(...)
{
}
throw std::exception{};
},
[]( std::exception const &, info<4> )
{
return 1;
},
[]( std::exception const & )
{
return 2;
} );
BOOST_TEST_EQ(r, 2);
}
{
int r = leaf::try_catch(
[]() -> int
{
try
{
auto load = leaf::on_error(info<4>{4});
throw std::exception();
}
catch(...)
{
}
leaf::throw_exception();
},
[]( std::exception const &, info<4> )
{
return 1;
},
[]( std::exception const & )
{
return 2;
} );
BOOST_TEST_EQ(r, 2);
}
#endif
return boost::report_errors();
}
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