92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
// Copyright (c) 2018-2021 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/leaf/detail/config.hpp>
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#include <boost/leaf/handle_errors.hpp>
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#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
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# include "leaf.hpp"
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#else
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# include <boost/leaf/result.hpp>
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#endif
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#include "lightweight_test.hpp"
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#include <exception>
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namespace leaf = boost::leaf;
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template <int A>
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struct info
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{
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int value;
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};
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leaf::result<void> f12()
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{
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return leaf::new_error( info<1>{1}, info<2>{2} );
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}
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leaf::result<void> f23()
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{
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return leaf::new_error( info<2>{2}, info<3>{3} );
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}
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int main()
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{
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{
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int r = leaf::try_handle_all(
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[]() -> leaf::result<int>
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{
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leaf::result<void> r1 = f12();
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(void) r1;
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leaf::result<void> r2 = f23();
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return r2.error();
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},
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[]( info<1> )
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{
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return 1;
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},
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[]( info<2> const & x, info<3> const & y )
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{
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BOOST_TEST_EQ(x.value, 2);
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BOOST_TEST_EQ(y.value, 3);
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return 2;
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},
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[]
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{
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return 3;
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} );
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BOOST_TEST_EQ(r, 2);
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}
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#ifndef BOOST_LEAF_NO_EXCEPTIONS
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{
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int r = leaf::try_catch(
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[]() -> int
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{
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try
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{
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throw leaf::exception(info<4>{4});
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}
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catch(...)
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{
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}
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throw std::exception{};
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},
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[]( std::exception const &, info<4> )
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{
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return 1;
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},
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[]( std::exception const & )
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{
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return 2;
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} );
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BOOST_TEST_EQ(r, 2);
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}
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#endif
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return boost::report_errors();
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}
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