ceph/src/spdk/test/unit/lib/util/crc16.c/crc16_ut.c

   1 /*-
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   3  *
   4  *   Copyright (c) Intel Corporation.
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  16  *       distribution.
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  19  *       from this software without specific prior written permission.
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  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  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         CU_set_error_action(CUEA_ABORT);
  88         CU_initialize_registry();
  89
  90         suite = CU_add_suite("crc16", NULL, NULL);
  91
  92         CU_ADD_TEST(suite, test_crc16_t10dif);
  93         CU_ADD_TEST(suite, test_crc16_t10dif_seed);
  94         CU_ADD_TEST(suite, test_crc16_t10dif_copy);
  95
  96         CU_basic_set_mode(CU_BRM_VERBOSE);
  97
  98         CU_basic_run_tests();
  99
 100         num_failures = CU_get_number_of_failures();
 101         CU_cleanup_registry();
 102
 103         return num_failures;
 104 }