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91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
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/* Self tests for scoped_fd for GDB, the GNU debugger.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "common/scoped_fd.h"
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#include "config.h"
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#ifdef HAVE_UNISTD_H
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#include "selftest.h"
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namespace selftests {
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namespace scoped_fd {
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/* Test that the file descriptor is closed. */
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static void
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test_destroy ()
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{
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char filename[] = "scoped_fd-selftest-XXXXXX";
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int fd = mkstemp (filename);
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SELF_CHECK (fd >= 0);
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unlink (filename);
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errno = 0;
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{
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::scoped_fd sfd (fd);
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SELF_CHECK (sfd.get () == fd);
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}
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SELF_CHECK (close (fd) == -1 && errno == EBADF);
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}
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/* Test that the file descriptor can be released. */
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static void
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test_release ()
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{
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char filename[] = "scoped_fd-selftest-XXXXXX";
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int fd = mkstemp (filename);
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SELF_CHECK (fd >= 0);
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unlink (filename);
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errno = 0;
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{
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::scoped_fd sfd (fd);
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SELF_CHECK (sfd.release () == fd);
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}
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SELF_CHECK (close (fd) == 0 || errno != EBADF);
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}
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/* Run selftests. */
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static void
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run_tests ()
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{
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test_destroy ();
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test_release ();
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}
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} /* namespace scoped_fd */
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} /* namespace selftests */
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#endif /* HAVE_UNISTD_H */
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void
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_initialize_scoped_fd_selftests ()
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{
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#ifdef HAVE_UNISTD_H
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selftests::register_test ("scoped_fd",
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selftests::scoped_fd::run_tests);
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#endif
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}
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