/* Self tests for scoped_fd for GDB, the GNU debugger. Copyright (C) 2018-2022 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 "gdbsupport/filestuff.h" #include "gdbsupport/scoped_fd.h" #include "config.h" #include "gdbsupport/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).release (); 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).release (); 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 (); void _initialize_scoped_fd_selftests () { selftests::register_test ("scoped_fd", selftests::scoped_fd::run_tests); }