59 lines
1.2 KiB
C++
59 lines
1.2 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/on_error.hpp>
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# include <boost/leaf/handle_errors.hpp>
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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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namespace leaf = boost::leaf;
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struct info { int value; };
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leaf::result<void> g1()
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{
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auto load = leaf::on_error( [] { return info{1}; } );
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return { };
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}
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leaf::result<void> g2()
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{
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return leaf::new_error();
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}
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leaf::result<void> f()
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{
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auto load = leaf::on_error( [] { return info{2}; } );
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BOOST_LEAF_CHECK(g1());
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return g2();
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}
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int main()
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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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BOOST_LEAF_CHECK(f());
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return 1;
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},
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[]( info x )
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{
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BOOST_TEST_EQ(x.value, 2);
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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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return boost::report_errors();
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}
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