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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/common.hpp>
# include <boost/leaf/handle_errors.hpp>
# include <boost/leaf/result.hpp>
#endif
#if BOOST_LEAF_CFG_STD_STRING
# include <sstream>
# include <iostream>
#endif
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
int main()
{
errno = ENOENT;
#if BOOST_LEAF_CFG_STD_STRING
std::ostringstream ss;
ss << leaf::e_errno{};
std::string s = ss.str();
std::cout << s << std::endl;
#if BOOST_LEAF_CFG_STD_DIAGNOSTICS
BOOST_TEST_NE(s.find(std::strerror(ENOENT)), std::string::npos);
#endif
#endif
int r = leaf::try_handle_all(
[]() -> leaf::result<int>
{
struct reset_errno { ~reset_errno() { errno=0; } } reset;
return leaf::new_error( leaf::e_errno{} );
},
[]( leaf::e_errno e )
{
BOOST_TEST_EQ(errno, 0);
BOOST_TEST_EQ(e.value, ENOENT);
return 1;
},
[]
{
return 2;
} );
BOOST_TEST_EQ(r, 1);
return boost::report_errors();
}
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