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/* Self tests for scoped_fd for GDB, the GNU debugger.
Copyright (C) 2018-2019 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "common/filestuff.h"
#include "common/scoped_fd.h"
#include "config.h"
#include "selftest.h"
namespace selftests {
namespace scoped_fd {
/* Test that the file descriptor is closed. */
static void
test_destroy ()
{
char filename[] = "scoped_fd-selftest-XXXXXX";
int fd = gdb_mkostemp_cloexec (filename);
SELF_CHECK (fd >= 0);
unlink (filename);
errno = 0;
{
::scoped_fd sfd (fd);
SELF_CHECK (sfd.get () == fd);
}
SELF_CHECK (close (fd) == -1 && errno == EBADF);
}
/* Test that the file descriptor can be released. */
static void
test_release ()
{
char filename[] = "scoped_fd-selftest-XXXXXX";
int fd = gdb_mkostemp_cloexec (filename);
SELF_CHECK (fd >= 0);
unlink (filename);
errno = 0;
{
::scoped_fd sfd (fd);
SELF_CHECK (sfd.release () == fd);
}
SELF_CHECK (close (fd) == 0 || errno != EBADF);
}
/* Test that the file descriptor can be converted to a FILE *. */
static void
test_to_file ()
{
char filename[] = "scoped_fd-selftest-XXXXXX";
::scoped_fd sfd (gdb_mkostemp_cloexec (filename));
SELF_CHECK (sfd.get () >= 0);
unlink (filename);
gdb_file_up file = sfd.to_file ("rw");
SELF_CHECK (file != nullptr);
SELF_CHECK (sfd.get () == -1);
}
/* Run selftests. */
static void
run_tests ()
{
test_destroy ();
test_release ();
test_to_file ();
}
} /* namespace scoped_fd */
} /* namespace selftests */
void
_initialize_scoped_fd_selftests ()
{
selftests::register_test ("scoped_fd",
selftests::scoped_fd::run_tests);
}
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