test-fdset.c revision 0805e9a9c87845be9f801efacc0a358da6991190
/***
This file is part of systemd
Copyright 2014 Ronny Chevalier
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <fcntl.h>
#include <unistd.h>
#include "fdset.h"
#include "util.h"
#include "macro.h"
static void test_fdset_new_fill(void) {
int fd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_new_fill.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
assert_se(fdset_new_fill(&fdset) >= 0);
assert_se(fdset_contains(fdset, fd));
unlink(name);
}
static void test_fdset_put_dup(void) {
_cleanup_close_ int fd = -1;
int copyfd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_put_dup.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
copyfd = fdset_put_dup(fdset, fd);
assert_se(copyfd >= 0 && copyfd != fd);
assert_se(fdset_contains(fdset, copyfd));
assert_se(!fdset_contains(fdset, fd));
unlink(name);
}
static void test_fdset_cloexec(void) {
int fd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
int flags = -1;
char name[] = "/tmp/test-fdset_cloexec.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
assert_se(fdset_put(fdset, fd));
assert_se(fdset_cloexec(fdset, false) >= 0);
flags = fcntl(fd, F_GETFD);
assert_se(flags >= 0);
assert_se(!(flags & FD_CLOEXEC));
assert_se(fdset_cloexec(fdset, true) >= 0);
flags = fcntl(fd, F_GETFD);
assert_se(flags >= 0);
assert_se(flags & FD_CLOEXEC);
unlink(name);
}
static void test_fdset_close_others(void) {
int fd = -1;
int copyfd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
int flags = -1;
char name[] = "/tmp/test-fdset_close_others.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
copyfd = fdset_put_dup(fdset, fd);
assert_se(copyfd >= 0);
assert_se(fdset_close_others(fdset) >= 0);
flags = fcntl(fd, F_GETFD);
assert_se(flags < 0);
flags = fcntl(copyfd, F_GETFD);
assert_se(flags >= 0);
unlink(name);
}
static void test_fdset_remove(void) {
_cleanup_close_ int fd = -1;
FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_remove.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
assert_se(fdset_put(fdset, fd) >= 0);
assert_se(fdset_remove(fdset, fd) >= 0);
assert_se(!fdset_contains(fdset, fd));
fdset_free(fdset);
assert_se(fcntl(fd, F_GETFD) >= 0);
unlink(name);
}
static void test_fdset_iterate(void) {
int fd = -1;
FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_iterate.XXXXXX";
Iterator i;
int c = 0;
int a;
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
assert_se(fdset_put(fdset, fd) >= 0);
assert_se(fdset_put(fdset, fd) >= 0);
assert_se(fdset_put(fdset, fd) >= 0);
FDSET_FOREACH(a, fdset, i) {
c++;
assert_se(a == fd);
}
assert_se(c == 1);
fdset_free(fdset);
unlink(name);
}
static void test_fdset_isempty(void) {
int fd;
_cleanup_fdset_free_ FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_isempty.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
assert_se(fdset_isempty(fdset));
assert_se(fdset_put(fdset, fd) >= 0);
assert_se(!fdset_isempty(fdset));
unlink(name);
}
static void test_fdset_steal_first(void) {
int fd;
_cleanup_fdset_free_ FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_steal_first.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
assert_se(fdset_steal_first(fdset) < 0);
assert_se(fdset_put(fdset, fd) >= 0);
assert_se(fdset_steal_first(fdset) == fd);
assert_se(fdset_steal_first(fdset) < 0);
assert_se(fdset_put(fdset, fd) >= 0);
unlink(name);
}
static void test_fdset_new_array(void) {
int fds[] = {10, 11, 12, 13};
_cleanup_fdset_free_ FDSet *fdset = NULL;
assert_se(fdset_new_array(&fdset, fds, 4) >= 0);
assert_se(fdset_size(fdset) == 4);
assert_se(fdset_contains(fdset, 10));
assert_se(fdset_contains(fdset, 11));
assert_se(fdset_contains(fdset, 12));
assert_se(fdset_contains(fdset, 13));
}
int main(int argc, char *argv[]) {
test_fdset_new_fill();
test_fdset_put_dup();
test_fdset_cloexec();
test_fdset_close_others();
test_fdset_remove();
test_fdset_iterate();
test_fdset_isempty();
test_fdset_steal_first();
test_fdset_new_array();
return 0;
}