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msgb/test: Add test for msgb message buffers 

This tests several API functions of the msgb by checking the
invariant and by dumping resulting message buffers as hex.

Sponsored-by: On-Waves ehf

Conflicts:
	tests/Makefile.am
This commit is contained in:
Jacob Erlbeck 2015-11-27 13:26:16 +01:00 committed by Holger Hans Peter Freyther
parent 5f349be820
commit 7cd8a1b063
4 changed files with 136 additions and 2 deletions
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7
tests/Makefile.am
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@ -12,7 +12,7 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
loggingrb/loggingrb_test strrb/strrb_test \
vty/vty_test comp128/comp128_test utils/utils_test \
smscb/gsm0341_test stats/stats_test \
bitvec/bitvec_test
bitvec/bitvec_test msgb/msgb_test
if ENABLE_MSGFILE
check_PROGRAMS += msgfile/msgfile_test
@ -57,6 +57,9 @@ gprs_gprs_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gs
lapd_lapd_test_SOURCES = lapd/lapd_test.c
lapd_lapd_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gsm/libosmogsm.la
msgb_msgb_test_SOURCES = msgb/msgb_test.c
msgb_msgb_test_LDADD = $(top_builddir)/src/libosmocore.la
msgfile_msgfile_test_SOURCES = msgfile/msgfile_test.c
msgfile_msgfile_test_LDADD = $(top_builddir)/src/libosmocore.la
@ -133,7 +136,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
loggingrb/logging_test.err strrb/strrb_test.ok \
vty/vty_test.ok comp128/comp128_test.ok \
utils/utils_test.ok stats/stats_test.ok \
bitvec/bitvec_test.ok
bitvec/bitvec_test.ok msgb/msgb_test.ok
DISTCLEANFILES = atconfig

104
tests/msgb/msgb_test.c Normal file
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@ -0,0 +1,104 @@
/*
* (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;
}

21
tests/msgb/msgb_test.ok Normal file
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@ -0,0 +1,21 @@
Testing the msgb API
Buffer:
put(4) -> data+0
Buffer: [L1]> 00 00 00 00
put(4) -> data+4
Buffer: [L1]> 00 00 00 00 [L2]> 00 00 00 00
put(4) -> data+8
Buffer: [L1]> 00 00 00 00 [L2]> 00 00 00 00 [L3]> 00 00 00 00
put(4) -> data+12
Buffer: [L1]> 00 00 00 00 [L2]> 00 00 00 00 [L3]> 00 00 00 00 [L4]> 00 00 00 00
push(4) -> data+0
Buffer: 00 00 00 00 [L1]> 00 00 00 00 [L2]> 00 00 00 00 [L3]> 00 00 00 00 [L4]> 00 00 00 00
trim(16) -> 0
Buffer: 00 00 00 00 [L1]> 00 00 00 00 [L2]> 00 00 00 00 [L3]> 00 00 00 00 [L4]>
get(4) -> data+12
Buffer: 00 00 00 00 [L1]> 00 00 00 00 [L2]> 00 00 00 00 [L3]> (L4=tail+4)
Test msgb_hexdump
Buffer: (L1=data-124) 00 00 00 00 00 00 00 00 [L2]> 00 00 00 00 [L3]> (L4=tail+4)
Buffer: (L1=data-124) 00 00 00 00 00 00 00 00 [L2]> (L3+8) 00 00 00 00 (L4=tail+4)
Buffer: (L1=data-124) 00 00 00 00 00 00 00 00 [L2]> 00 00 00 00 (L3 out of range) (L4=tail+4)
Success.

6
tests/testsuite.at
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@ -33,6 +33,12 @@ cat $abs_srcdir/conv/conv_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/conv/conv_test], [0], [expout])
AT_CLEANUP
AT_SETUP([msgb])
AT_KEYWORDS([msgb])
cat $abs_srcdir/msgb/msgb_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/msgb/msgb_test], [0], [expout])
AT_CLEANUP
if ENABLE_MSGFILE
AT_SETUP([msgfile])
AT_KEYWORDS([msgfile])