| /* some humble start of unit testing */ |
| |
| /* (C) 2015 by Harald Welte <laforge@gnumonks.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 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 Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| |
| #include "iu_helpers.h" |
| #include "asn1helpers.h" |
| |
| #include <assert.h> |
| #define ASSERT(x) assert(x) |
| |
| #include <osmocom/core/utils.h> |
| |
| void *talloc_asn1_ctx; |
| |
| /* use odd number of digits */ |
| const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 }; |
| const char imsi_decoded[] = "012345678"; |
| |
| void test_iu_helpers(void) |
| { |
| char outstr[32]; |
| uint8_t outbuf[16]; |
| int rc; |
| |
| printf("Testing Iu helper functions\n"); |
| |
| printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded, |
| sizeof(imsi_encoded))); |
| rc = decode_iu_bcd(outstr, sizeof(outstr), imsi_encoded, |
| sizeof(imsi_encoded)); |
| ASSERT(rc >= 0); |
| printf("decoded: %s\n", outstr); |
| ASSERT(!strcmp(outstr, imsi_decoded)); |
| |
| rc = encode_iu_imsi(outbuf, sizeof(outbuf), imsi_decoded); |
| ASSERT(rc >= 0); |
| printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc)); |
| ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded))); |
| } |
| |
| const uint32_t val1 = 0xdeadbeef; |
| |
| const OCTET_STRING_t text1 = { |
| .buf = "0123456789012345", |
| .size = 16, |
| }; |
| |
| const OCTET_STRING_t text2 = { |
| .buf = "01234567890123456789012345678901234567890", |
| .size = 40, |
| }; |
| |
| void test_asn1_helpers(void) |
| { |
| int rc; |
| |
| void *buffer; |
| BIT_STRING_t enc; |
| uint32_t res, tmpval; |
| char text[32]; |
| |
| printf("Testing asn.1 helper functions\n"); |
| |
| printf("Encoding 0x%x to asn.1 bitstring\n", val1); |
| asn1_u32_to_bitstring(&enc, &tmpval, val1); |
| |
| ASSERT(enc.size == sizeof(uint32_t)); |
| ASSERT(enc.bits_unused == 0); |
| |
| rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| |
| res = asn1bitstr_to_u32(&enc); |
| |
| printf("Decoding back to uint32_t: 0x%x\n", res); |
| ASSERT(res == val1); |
| |
| printf("Encoding %s to 24-bit asn.1 bitstring\n", osmo_hexdump_nospc(&val1, 3)); |
| asn1_u24_to_bitstring(&enc, &tmpval, val1); |
| |
| ASSERT(enc.size == 24/8); |
| ASSERT(enc.bits_unused == 0); |
| |
| rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| |
| rc = asn1_strncpy(text, &text1, sizeof(text)); |
| printf("Decoding string from asn.1: %s\n", text); |
| |
| ASSERT(rc == 16); |
| ASSERT(!strcmp(text, (char *)text1.buf)); |
| |
| rc = asn1_strncpy(text, &text2, sizeof(text)); |
| printf("Decoding large string from asn1: %s\n", text); |
| ASSERT(rc == 31); |
| |
| } |
| |
| int main(int argc, char **argv) |
| { |
| test_iu_helpers(); |
| test_asn1_helpers(); |
| |
| return 0; |
| } |