/* $NetBSD: crc64_test.c,v 1.2.4.2 2024/02/29 12:35:54 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /* ! \file */ #include #include /* IWYU pragma: keep */ #include #include #include #include #include #define UNIT_TESTING #include #include #include #include #include #include #define TEST_INPUT(x) (x), sizeof(x) - 1 ISC_RUN_TEST_IMPL(isc_crc64_init) { uint64_t crc; isc_crc64_init(&crc); assert_int_equal(crc, 0xffffffffffffffffUL); } static void _crc64(const char *buf, size_t buflen, const char *result, const int repeats) { uint64_t crc; isc_crc64_init(&crc); assert_int_equal(crc, 0xffffffffffffffffUL); for (int i = 0; i < repeats; i++) { isc_crc64_update(&crc, buf, buflen); } isc_crc64_final(&crc); char hex[16 + 1]; snprintf(hex, sizeof(hex), "%016" PRIX64, crc); assert_memory_equal(hex, result, (result ? strlen(result) : 0)); } /* 64-bit cyclic redundancy check */ ISC_RUN_TEST_IMPL(isc_crc64) { _crc64(TEST_INPUT(""), "0000000000000000", 1); _crc64(TEST_INPUT("a"), "CE73F427ACC0A99A", 1); _crc64(TEST_INPUT("abc"), "048B813AF9F49702", 1); _crc64(TEST_INPUT("message digest"), "5273F9EA7A357BF4", 1); _crc64(TEST_INPUT("abcdefghijklmnopqrstuvwxyz"), "59F079F9218BAAA1", 1); _crc64(TEST_INPUT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm" "nopqrstuvwxyz0123456789"), "A36DA8F71E78B6FB", 1); _crc64(TEST_INPUT("123456789012345678901234567890123456789" "01234567890123456789012345678901234567890"), "81E5EB73C8E7874A", 1); } ISC_TEST_LIST_START ISC_TEST_ENTRY(isc_crc64_init) ISC_TEST_ENTRY(isc_crc64) ISC_TEST_LIST_END ISC_TEST_MAIN