xref: /spdk/test/unit/lib/util/crc16.c/crc16_ut.c (revision b02581a89058ebaebe03bd0e16e3b58adfe406c1)
1 /*   SPDX-License-Identifier: BSD-3-Clause
2  *   Copyright (C) 2017 Intel Corporation.
3  *   All rights reserved.
4  */
5 
6 #include "spdk/stdinc.h"
7 
8 #include "spdk_internal/cunit.h"
9 
10 #include "util/crc16.c"
11 
12 static void
13 test_crc16_t10dif(void)
14 {
15 	uint16_t crc;
16 	char buf[] = "123456789";
17 
18 	crc = spdk_crc16_t10dif(0, buf, strlen(buf));
19 	CU_ASSERT(crc == 0xd0db);
20 }
21 
22 static void
23 test_crc16_t10dif_seed(void)
24 {
25 	uint16_t crc = 0;
26 	char buf1[] = "1234";
27 	char buf2[] = "56789";
28 
29 	crc = spdk_crc16_t10dif(crc, buf1, strlen(buf1));
30 	crc = spdk_crc16_t10dif(crc, buf2, strlen(buf2));
31 	CU_ASSERT(crc == 0xd0db);
32 }
33 
34 static void
35 test_crc16_t10dif_copy(void)
36 {
37 	uint16_t crc1 = 0, crc2;
38 	char buf1[] = "1234";
39 	char buf2[] = "56789";
40 	char *buf3 = calloc(1, strlen(buf1) + strlen(buf2) + 1);
41 	SPDK_CU_ASSERT_FATAL(buf3 != NULL);
42 
43 	crc1 = spdk_crc16_t10dif_copy(crc1, buf3, buf1, strlen(buf1));
44 	crc1 = spdk_crc16_t10dif_copy(crc1, buf3 + strlen(buf1), buf2, strlen(buf2));
45 	CU_ASSERT(crc1 == 0xd0db);
46 
47 	crc2  = spdk_crc16_t10dif(0, buf3, strlen(buf3));
48 	CU_ASSERT(crc2 == 0xd0db);
49 
50 	free(buf3);
51 }
52 
53 int
54 main(int argc, char **argv)
55 {
56 	CU_pSuite	suite = NULL;
57 	unsigned int	num_failures;
58 
59 	CU_initialize_registry();
60 
61 	suite = CU_add_suite("crc16", NULL, NULL);
62 
63 	CU_ADD_TEST(suite, test_crc16_t10dif);
64 	CU_ADD_TEST(suite, test_crc16_t10dif_seed);
65 	CU_ADD_TEST(suite, test_crc16_t10dif_copy);
66 
67 
68 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
69 
70 	CU_cleanup_registry();
71 
72 	return num_failures;
73 }
74