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// Copyright (C) 2018-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++11 } }
#include <system_error>
#include <locale>
#include <testsuite_hooks.h>
void
test01()
{
const char* name = std::system_category().name();
VERIFY( name == std::string("system") );
}
void
test02()
{
const std::error_category& cat = std::system_category();
std::error_condition cond;
#if defined __MING32__ || defined __MINGW64__
cond = cat.default_error_condition(8); // ERROR_NOT_ENOUGH_MEMORY
VERIFY( cond.value() == ENOMEM );
VERIFY( cond.category() == std::generic_category() );
VERIFY( cond == std::errc::not_enough_memory );
cond = cat.default_error_condition(5); // ERROR_ACCESS_DENIED
VERIFY( cond.value() == EACCES );
VERIFY( cond.category() == std::generic_category() );
VERIFY( cond == std::errc::permission_denied );
return;
#endif
// As of 2011, ISO C only defines EDOM, EILSEQ and ERANGE:
cond = cat.default_error_condition(EDOM);
VERIFY( cond.value() == EDOM );
VERIFY( cond == std::errc::argument_out_of_domain );
VERIFY( cond.category() == std::generic_category() );
cond = cat.default_error_condition(EILSEQ);
VERIFY( cond.value() == EILSEQ );
VERIFY( cond == std::errc::illegal_byte_sequence );
VERIFY( cond.category() == std::generic_category() );
cond = cat.default_error_condition(ERANGE);
VERIFY( cond.value() == ERANGE );
VERIFY( cond == std::errc::result_out_of_range );
VERIFY( cond.category() == std::generic_category() );
// EBADF and EACCES are defined on all targets,
// according to config/os/*/error_constants.h
cond = cat.default_error_condition(EBADF);
VERIFY( cond.value() == EBADF );
VERIFY( cond == std::errc::bad_file_descriptor );
VERIFY( cond.category() == std::generic_category() );
cond = cat.default_error_condition(EACCES);
VERIFY( cond.value() == EACCES );
VERIFY( cond == std::errc::permission_denied );
VERIFY( cond.category() == std::generic_category() );
// All POSIX errno values are positive:
cond = cat.default_error_condition(-1);
VERIFY( cond.value() == -1 );
VERIFY( cond.category() == cat );
cond = cat.default_error_condition(-99);
VERIFY( cond.value() == -99 );
VERIFY( cond.category() == cat );
// PR libstdc++/60555
VERIFY( std::error_code(EDOM, cat) == std::errc::argument_out_of_domain );
VERIFY( std::error_code(EILSEQ, cat) == std::errc::illegal_byte_sequence );
VERIFY( std::error_code(ERANGE, cat) == std::errc::result_out_of_range );
VERIFY( std::error_code(EBADF, cat) == std::errc::bad_file_descriptor );
VERIFY( std::error_code(EACCES, cat) == std::errc::permission_denied );
// As shown at https://gcc.gnu.org/ml/libstdc++/2018-08/msg00018.html
// these two error codes might have the same value on AIX, but we still
// expect both to be matched by system_category and so use generic_category:
#ifdef EEXIST
cond = cat.default_error_condition(EEXIST);
VERIFY( cond.value() == EEXIST );
VERIFY( cond == std::errc::file_exists );
VERIFY( cond.category() == std::generic_category() );
VERIFY( std::error_code(EEXIST, cat) == std::errc::file_exists );
#endif
#ifdef ENOTEMPTY
cond = cat.default_error_condition(ENOTEMPTY);
VERIFY( cond.value() == ENOTEMPTY );
VERIFY( cond == std::errc::directory_not_empty );
VERIFY( cond.category() == std::generic_category() );
VERIFY( std::error_code(ENOTEMPTY, cat) == std::errc::directory_not_empty );
#endif
}
void
test03()
{
// set "C" locale to get expected message
auto loc = std::locale::global(std::locale::classic());
#if defined __MING32__ || defined __MINGW64__
std::string msg = std::system_category().message(5); // ERROR_ACCESS_DENIED
VERIFY(msg == "Access denied");
#else
std::string msg = std::system_category().message(EBADF);
VERIFY( msg.find("file") != std::string::npos );
#endif
std::locale::global(loc);
}
int
main()
{
test01();
test02();
test03();
}