103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* some humble start of unit testing */
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/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "iu_helpers.h"
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#include "asn1helpers.h"
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#include <assert.h>
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#define ASSERT(x) assert(x)
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#include <osmocom/core/utils.h>
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void *talloc_asn1_ctx;
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/* use odd number of digits */
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const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 };
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const char imsi_decoded[] = "012345678";
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void test_iu_helpers(void)
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{
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char outstr[32];
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uint8_t outbuf[16];
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int rc;
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printf("Testing Iu helper functions\n");
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printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded,
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sizeof(imsi_encoded)));
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rc = decode_iu_bcd(outstr, sizeof(outstr), imsi_encoded,
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sizeof(imsi_encoded));
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ASSERT(rc >= 0);
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printf("decoded: %s\n", outstr);
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ASSERT(!strcmp(outstr, imsi_decoded));
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rc = encode_iu_imsi(outbuf, sizeof(outbuf), imsi_decoded);
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ASSERT(rc >= 0);
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printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc));
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ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded)));
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}
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uint32_t val1 = 0xdeadbeef;
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const OCTET_STRING_t text1 = {
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.buf = "0123456789012345",
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.size = 16,
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};
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void test_asn1_helpers(void)
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{
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int rc;
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BIT_STRING_t enc;
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uint32_t res;
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char text[32];
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printf("Testing asn.1 helper functions\n");
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printf("Encoding 0x%x to asn.1 bitstring\n", val1);
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asn1_u32_to_bitstring(&enc, &val1);
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ASSERT(enc.buf == (uint8_t *) &val1);
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ASSERT(enc.size == sizeof(uint32_t));
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ASSERT(enc.bits_unused == 0);
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res = asn1bitstr_to_u32(&enc);
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printf("Decoding back to uint32_t: 0x%x\n", res);
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ASSERT(res == val1);
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rc = asn1_strncpy(text, &text1, sizeof(text));
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printf("Decoding string from asn.1: %s\n", text);
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ASSERT(rc == 16);
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ASSERT(!strcmp(text, (char *)text1.buf));
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}
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int main(int argc, char **argv)
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{
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test_iu_helpers();
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test_asn1_helpers();
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return 0;
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}
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