1 /*
2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3 *
4 * SPDX-License-Identifier: MPL-2.0
5 *
6 * This Source Code Form is subject to the terms of the Mozilla Public
7 * License, v. 2.0. If a copy of the MPL was not distributed with this
8 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
9 *
10 * See the COPYRIGHT file distributed with this work for additional
11 * information regarding copyright ownership.
12 */
13
14 /* ! \file */
15
16 #if HAVE_CMOCKA
17
18 #include <setjmp.h>
19 #include <stdarg.h>
20 #include <stddef.h>
21 #include <stdlib.h>
22 #include <string.h>
23
24 #define UNIT_TESTING
25 #include <cmocka.h>
26
27 #include <isc/crc64.h>
28 #include <isc/print.h>
29 #include <isc/result.h>
30 #include <isc/util.h>
31
32 #define TEST_INPUT(x) (x), sizeof(x) - 1
33
34 typedef struct hash_testcase {
35 const char *input;
36 size_t input_len;
37 const char *result;
38 int repeats;
39 } hash_testcase_t;
40
41 static void
isc_crc64_init_test(void ** state)42 isc_crc64_init_test(void **state) {
43 uint64_t crc;
44
45 UNUSED(state);
46
47 isc_crc64_init(&crc);
48 assert_int_equal(crc, 0xffffffffffffffffUL);
49 }
50
51 static void
_crc64(const char * buf,size_t buflen,const char * result,const int repeats)52 _crc64(const char *buf, size_t buflen, const char *result, const int repeats) {
53 uint64_t crc;
54
55 isc_crc64_init(&crc);
56 assert_int_equal(crc, 0xffffffffffffffffUL);
57
58 for (int i = 0; i < repeats; i++) {
59 isc_crc64_update(&crc, buf, buflen);
60 }
61
62 isc_crc64_final(&crc);
63
64 char hex[16 + 1];
65 snprintf(hex, sizeof(hex), "%016" PRIX64, crc);
66
67 assert_memory_equal(hex, result, (result ? strlen(result) : 0));
68 }
69
70 /* 64-bit cyclic redundancy check */
71 static void
isc_crc64_test(void ** state)72 isc_crc64_test(void **state) {
73 UNUSED(state);
74
75 _crc64(TEST_INPUT(""), "0000000000000000", 1);
76 _crc64(TEST_INPUT("a"), "CE73F427ACC0A99A", 1);
77 _crc64(TEST_INPUT("abc"), "048B813AF9F49702", 1);
78 _crc64(TEST_INPUT("message digest"), "5273F9EA7A357BF4", 1);
79 _crc64(TEST_INPUT("abcdefghijklmnopqrstuvwxyz"), "59F079F9218BAAA1", 1);
80 _crc64(TEST_INPUT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm"
81 "nopqrstuvwxyz0123456789"),
82 "A36DA8F71E78B6FB", 1);
83 _crc64(TEST_INPUT("123456789012345678901234567890123456789"
84 "01234567890123456789012345678901234567890"),
85 "81E5EB73C8E7874A", 1);
86 }
87
88 int
main(void)89 main(void) {
90 const struct CMUnitTest tests[] = {
91 cmocka_unit_test(isc_crc64_init_test),
92 cmocka_unit_test(isc_crc64_test),
93 };
94
95 return (cmocka_run_group_tests(tests, NULL, NULL));
96 }
97
98 #else /* HAVE_CMOCKA */
99
100 #include <stdio.h>
101
102 int
main(void)103 main(void) {
104 printf("1..0 # Skipped: cmocka not available\n");
105 return (SKIPPED_TEST_EXIT_CODE);
106 }
107
108 #endif /* if HAVE_CMOCKA */
109