libosmocore/tests/msgb/msgb_test.c

105 lines
3.0 KiB
C

/*
* (C) 2014 by On-Waves
* All Rights Reserved
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdlib.h>
#include <osmocom/core/application.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/msgb.h>
#include <errno.h>
#include <string.h>
#define CHECK_RC(rc) \
if (rc != 0) { \
printf("Operation failed rc=%d on %s:%d\n", rc, __FILE__, __LINE__); \
abort(); \
}
static void test_msgb_api()
{
struct msgb *msg = msgb_alloc_headroom(4096, 128, "data");
unsigned char *cptr = NULL;
int rc;
printf("Testing the msgb API\n");
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
cptr = msg->l1h = msgb_put(msg, 4);
printf("put(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
cptr = msg->l2h = msgb_put(msg, 4);
printf("put(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
cptr = msg->l3h = msgb_put(msg, 4);
printf("put(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
cptr = msg->l4h = msgb_put(msg, 4);
printf("put(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
OSMO_ASSERT(msgb_length(msg) == 16);
cptr = msgb_push(msg, 4);
printf("push(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
OSMO_ASSERT(msgb_length(msg) == 20);
rc = msgb_trim(msg, 16);
printf("trim(16) -> %d\n", rc);
CHECK_RC(rc);
OSMO_ASSERT(msgb_test_invariant(msg));
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_length(msg) == 16);
cptr = msgb_get(msg, 4);
printf("get(4) -> data%+d\n", cptr - msg->data);
printf("Buffer: %s\n", msgb_hexdump(msg));
OSMO_ASSERT(msgb_test_invariant(msg));
OSMO_ASSERT(msgb_length(msg) == 12);
printf("Test msgb_hexdump\n");
msg->l1h = msg->head;
printf("Buffer: %s\n", msgb_hexdump(msg));
msg->l3h = msg->data;
printf("Buffer: %s\n", msgb_hexdump(msg));
msg->l3h = msg->head - 1;
printf("Buffer: %s\n", msgb_hexdump(msg));
msgb_free(msg);
}
static struct log_info info = {};
int main(int argc, char **argv)
{
osmo_init_logging(&info);
test_msgb_api();
printf("Success.\n");
return 0;
}