1 /* $NetBSD: crc64_test.c,v 1.3 2025/01/26 16:25:49 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 /* ! \file */ 17 18 #include <inttypes.h> 19 #include <sched.h> /* IWYU pragma: keep */ 20 #include <setjmp.h> 21 #include <stdarg.h> 22 #include <stddef.h> 23 #include <stdlib.h> 24 #include <string.h> 25 26 #define UNIT_TESTING 27 #include <cmocka.h> 28 29 #include <isc/crc64.h> 30 #include <isc/result.h> 31 #include <isc/util.h> 32 33 #include <tests/isc.h> 34 35 #define TEST_INPUT(x) (x), sizeof(x) - 1 36 37 ISC_RUN_TEST_IMPL(isc_crc64_init) { 38 uint64_t crc; 39 40 isc_crc64_init(&crc); 41 assert_int_equal(crc, 0xffffffffffffffffUL); 42 } 43 44 static void 45 _crc64(const char *buf, size_t buflen, const char *result, const int repeats) { 46 uint64_t crc; 47 48 isc_crc64_init(&crc); 49 assert_int_equal(crc, 0xffffffffffffffffUL); 50 51 for (int i = 0; i < repeats; i++) { 52 isc_crc64_update(&crc, buf, buflen); 53 } 54 55 isc_crc64_final(&crc); 56 57 char hex[16 + 1]; 58 snprintf(hex, sizeof(hex), "%016" PRIX64, crc); 59 60 assert_memory_equal(hex, result, (result ? strlen(result) : 0)); 61 } 62 63 /* 64-bit cyclic redundancy check */ 64 ISC_RUN_TEST_IMPL(isc_crc64) { 65 _crc64(TEST_INPUT(""), "0000000000000000", 1); 66 _crc64(TEST_INPUT("a"), "CE73F427ACC0A99A", 1); 67 _crc64(TEST_INPUT("abc"), "048B813AF9F49702", 1); 68 _crc64(TEST_INPUT("message digest"), "5273F9EA7A357BF4", 1); 69 _crc64(TEST_INPUT("abcdefghijklmnopqrstuvwxyz"), "59F079F9218BAAA1", 1); 70 _crc64(TEST_INPUT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm" 71 "nopqrstuvwxyz0123456789"), 72 "A36DA8F71E78B6FB", 1); 73 _crc64(TEST_INPUT("123456789012345678901234567890123456789" 74 "01234567890123456789012345678901234567890"), 75 "81E5EB73C8E7874A", 1); 76 } 77 78 ISC_TEST_LIST_START 79 80 ISC_TEST_ENTRY(isc_crc64_init) 81 ISC_TEST_ENTRY(isc_crc64) 82 83 ISC_TEST_LIST_END 84 85 ISC_TEST_MAIN 86