boost/libs/leaf/test/e_LastError_test.cpp
2021-10-05 21:37:46 +02:00

60 lines
1.4 KiB
C++

// Copyright (c) 2018-2021 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)
#ifndef _WIN32
#include <iostream>
int main()
{
std::cout << "This test requires Windows";
return 0;
}
#else
#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
#include "lightweight_test.hpp"
#include <sstream>
namespace leaf = boost::leaf;
int main()
{
SetLastError(ERROR_FILE_NOT_FOUND);
std::stringstream ss;
ss << leaf::windows::e_LastError{};
BOOST_TEST(ss.str().find("The system cannot find the file specified") != std::string::npos);
int r = leaf::try_handle_all(
[]() -> leaf::result<int>
{
SetLastError(ERROR_FILE_NOT_FOUND);
struct reset_LastError { ~reset_LastError() {SetLastError(0); } } reset;
return leaf::new_error( leaf::windows::e_LastError{} );
},
[]( leaf::windows::e_LastError e )
{
BOOST_TEST_EQ(GetLastError(), 0);
BOOST_TEST_EQ(e.value, ERROR_FILE_NOT_FOUND);
return 1;
},
[]
{
return 2;
} );
BOOST_TEST_EQ(r, 1);
return boost::report_errors();
}
#endif