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/*
* 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 <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/crc64.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/util.h>
#include <tests/isc.h>
#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
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