xref: /spdk/test/unit/lib/util/crc16.c/crc16_ut.c (revision 5977aad8f7486552c94c5cc93ea9bb110e1cb5d0)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) Intel Corporation.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "spdk/stdinc.h"
35 
36 #include "spdk_cunit.h"
37 
38 #include "util/crc16.c"
39 
40 static void
41 test_crc16_t10dif(void)
42 {
43 	uint16_t crc;
44 	char buf[] = "123456789";
45 
46 	crc = spdk_crc16_t10dif(0, buf, strlen(buf));
47 	CU_ASSERT(crc == 0xd0db);
48 }
49 
50 static void
51 test_crc16_t10dif_seed(void)
52 {
53 	uint16_t crc = 0;
54 	char buf1[] = "1234";
55 	char buf2[] = "56789";
56 
57 	crc = spdk_crc16_t10dif(crc, buf1, strlen(buf1));
58 	crc = spdk_crc16_t10dif(crc, buf2, strlen(buf2));
59 	CU_ASSERT(crc == 0xd0db);
60 }
61 
62 static void
63 test_crc16_t10dif_copy(void)
64 {
65 	uint16_t crc1 = 0, crc2;
66 	char buf1[] = "1234";
67 	char buf2[] = "56789";
68 	char *buf3 = calloc(1, strlen(buf1) + strlen(buf2) + 1);
69 	SPDK_CU_ASSERT_FATAL(buf3 != NULL);
70 
71 	crc1 = spdk_crc16_t10dif_copy(crc1, buf3, buf1, strlen(buf1));
72 	crc1 = spdk_crc16_t10dif_copy(crc1, buf3 + strlen(buf1), buf2, strlen(buf2));
73 	CU_ASSERT(crc1 == 0xd0db);
74 
75 	crc2  = spdk_crc16_t10dif(0, buf3, strlen(buf3));
76 	CU_ASSERT(crc2 == 0xd0db);
77 
78 	free(buf3);
79 }
80 
81 int
82 main(int argc, char **argv)
83 {
84 	CU_pSuite	suite = NULL;
85 	unsigned int	num_failures;
86 
87 	if (CU_initialize_registry() != CUE_SUCCESS) {
88 		return CU_get_error();
89 	}
90 
91 	suite = CU_add_suite("crc16", NULL, NULL);
92 	if (suite == NULL) {
93 		CU_cleanup_registry();
94 		return CU_get_error();
95 	}
96 
97 	if (
98 		CU_add_test(suite, "test_crc16_t10dif", test_crc16_t10dif) == NULL ||
99 		CU_add_test(suite, "test_crc16_t10dif_seed", test_crc16_t10dif_seed) == NULL ||
100 		CU_add_test(suite, "test_crc16_t10dif_copy", test_crc16_t10dif_copy) == NULL) {
101 		CU_cleanup_registry();
102 		return CU_get_error();
103 	}
104 
105 	CU_basic_set_mode(CU_BRM_VERBOSE);
106 
107 	CU_basic_run_tests();
108 
109 	num_failures = CU_get_number_of_failures();
110 	CU_cleanup_registry();
111 
112 	return num_failures;
113 }
114