72 lines
1.4 KiB
C++
72 lines
1.4 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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#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/capture.hpp>
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# include <boost/leaf/result.hpp>
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# include <boost/leaf/handle_errors.hpp>
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#endif
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#include "lightweight_test.hpp"
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namespace leaf = boost::leaf;
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int count = 0;
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template <int>
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struct info
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{
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info() noexcept
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{
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++count;
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}
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info( info const & ) noexcept
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{
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++count;
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}
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~info() noexcept
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{
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--count;
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}
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};
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int main()
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{
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auto error_handlers = std::make_tuple(
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[]( info<1>, info<3> )
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{
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return 42;
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},
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[]
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{
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return -42;
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} );
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{
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auto r = leaf::capture(
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leaf::make_shared_context(error_handlers),
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[]() -> leaf::result<int>
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{
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return leaf::new_error( info<1>{}, info<3>{} );
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} );
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BOOST_TEST_EQ(count, 2);
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int answer = leaf::try_handle_all(
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[&r]
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{
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return std::move(r);
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},
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error_handlers);
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BOOST_TEST_EQ(answer, 42);
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}
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BOOST_TEST_EQ(count, 0);
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return boost::report_errors();
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}
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