/* * Ouroboros - Copyright (C) 2016 - 2021 * * Test of the CRC32 function * * Dimitri Staessens <dimitri@ouroboros.rocks> * Sander Vrijders <sander@ouroboros.rocks> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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., http://www.fsf.org/about/contact/. */ #include <ouroboros/crc32.h> #include <stdlib.h> #include <stdint.h> #include <assert.h> #include <string.h> #include <stdio.h> /* * Test vectors calculated at * https://www.lammertbies.nl/comm/info/crc-calculation.html */ int crc32_test(int argc, char ** argv) { uint32_t crc = 0; int i = 0; (void) argc; (void) argv; crc32(&crc, "0", 1); if (crc != 0xF4DBDF21) return -1; crc = 0; crc32(&crc, "123456789", 9); if (crc != 0xCBF43926) return -1; crc = 0; crc32(&crc, "987654321", 9); if (crc != 0x015F0201) return -1; crc32(&crc, "123456789", 9); if (crc != 0x806B60E3) return -1; crc = 0; crc32(&crc, &i , 1); if (crc != 0xD202EF8D) return -1; return 0; }