mirror of
https://github.com/systemd/systemd.git
synced 2024-11-13 23:21:08 +03:00
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2014 David Herrmann <dh.herrmann@gmail.com>
|
|
|
|
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 <string.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <locale.h>
|
|
#include <errno.h>
|
|
|
|
#include "def.h"
|
|
#include "ring.h"
|
|
#include "util.h"
|
|
|
|
static void test_ring(void) {
|
|
static const char buf[8192];
|
|
Ring r;
|
|
size_t l;
|
|
struct iovec vec[2];
|
|
int s;
|
|
|
|
zero(r);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 0);
|
|
|
|
s = ring_push(&r, buf, 2048);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 2048);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 1);
|
|
assert_se(vec[0].iov_len == 2048);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(ring_get_size(&r) == 2048);
|
|
|
|
ring_pull(&r, 2048);
|
|
assert_se(ring_get_size(&r) == 0);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 0);
|
|
assert_se(ring_get_size(&r) == 0);
|
|
|
|
s = ring_push(&r, buf, 2048);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 2048);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 1);
|
|
assert_se(vec[0].iov_len == 2048);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(ring_get_size(&r) == 2048);
|
|
|
|
s = ring_push(&r, buf, 1);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 2049);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 2);
|
|
assert_se(vec[0].iov_len == 2048);
|
|
assert_se(vec[1].iov_len == 1);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(!memcmp(vec[1].iov_base, buf, vec[1].iov_len));
|
|
assert_se(ring_get_size(&r) == 2049);
|
|
|
|
ring_pull(&r, 2048);
|
|
assert_se(ring_get_size(&r) == 1);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 1);
|
|
assert_se(vec[0].iov_len == 1);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(ring_get_size(&r) == 1);
|
|
|
|
ring_pull(&r, 1);
|
|
assert_se(ring_get_size(&r) == 0);
|
|
|
|
s = ring_push(&r, buf, 2048);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 2048);
|
|
|
|
s = ring_push(&r, buf, 2049);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 4097);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 1);
|
|
assert_se(vec[0].iov_len == 4097);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(ring_get_size(&r) == 4097);
|
|
|
|
ring_pull(&r, 1);
|
|
assert_se(ring_get_size(&r) == 4096);
|
|
|
|
s = ring_push(&r, buf, 4096);
|
|
assert_se(!s);
|
|
assert_se(ring_get_size(&r) == 8192);
|
|
|
|
l = ring_peek(&r, vec);
|
|
assert_se(l == 2);
|
|
assert_se(vec[0].iov_len == 8191);
|
|
assert_se(vec[1].iov_len == 1);
|
|
assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
|
|
assert_se(!memcmp(vec[1].iov_base, buf, vec[1].iov_len));
|
|
assert_se(ring_get_size(&r) == 8192);
|
|
|
|
ring_clear(&r);
|
|
assert_se(ring_get_size(&r) == 0);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
test_ring();
|
|
|
|
return 0;
|
|
}
|