git.ozlabs.org Git - ccan/blob - ccan/crc/test/api.c

   1 #include "crc/crc.h"
   2 #include "crc/crc.c"
   3 #include "tap/tap.h"
   4 #include <string.h>
   5
   6 /* Expected CRCs of 4 of each char. */
   7 static uint32_t crc_expect[] = {
   8         0x2144df1c, 0xf626d399, 0x54f1c057, 0x8393ccd2, 0xca2ee18a, 0x1d4ced0f,
   9         0xbf9bfec1, 0x68f9f244, 0x2ce1a471, 0xfb83a8f4, 0x5954bb3a, 0x8e36b7bf,
  10         0xc78b9ae7, 0x10e99662, 0xb23e85ac, 0x655c8929, 0x3a0e29c6, 0xed6c2543,
  11         0x4fbb368d, 0x98d93a08, 0xd1641750, 0x06061bd5, 0xa4d1081b, 0x73b3049e,
  12         0x37ab52ab, 0xe0c95e2e, 0x421e4de0, 0x957c4165, 0xdcc16c3d, 0x0ba360b8,
  13         0xa9747376, 0x7e167ff3, 0x17d132a8, 0xc0b33e2d, 0x62642de3, 0xb5062166,
  14         0xfcbb0c3e, 0x2bd900bb, 0x890e1375, 0x5e6c1ff0, 0x1a7449c5, 0xcd164540,
  15         0x6fc1568e, 0xb8a35a0b, 0xf11e7753, 0x267c7bd6, 0x84ab6818, 0x53c9649d,
  16         0x0c9bc472, 0xdbf9c8f7, 0x792edb39, 0xae4cd7bc, 0xe7f1fae4, 0x3093f661,
  17         0x9244e5af, 0x4526e92a, 0x013ebf1f, 0xd65cb39a, 0x748ba054, 0xa3e9acd1,
  18         0xea548189, 0x3d368d0c, 0x9fe19ec2, 0x48839247, 0x4c6f0474, 0x9b0d08f1,
  19         0x39da1b3f, 0xeeb817ba, 0xa7053ae2, 0x70673667, 0xd2b025a9, 0x05d2292c,
  20         0x41ca7f19, 0x96a8739c, 0x347f6052, 0xe31d6cd7, 0xaaa0418f, 0x7dc24d0a,
  21         0xdf155ec4, 0x08775241, 0x5725f2ae, 0x8047fe2b, 0x2290ede5, 0xf5f2e160,
  22         0xbc4fcc38, 0x6b2dc0bd, 0xc9fad373, 0x1e98dff6, 0x5a8089c3, 0x8de28546,
  23         0x2f359688, 0xf8579a0d, 0xb1eab755, 0x6688bbd0, 0xc45fa81e, 0x133da49b,
  24         0x7afae9c0, 0xad98e545, 0x0f4ff68b, 0xd82dfa0e, 0x9190d756, 0x46f2dbd3,
  25         0xe425c81d, 0x3347c498, 0x775f92ad, 0xa03d9e28, 0x02ea8de6, 0xd5888163,
  26         0x9c35ac3b, 0x4b57a0be, 0xe980b370, 0x3ee2bff5, 0x61b01f1a, 0xb6d2139f,
  27         0x14050051, 0xc3670cd4, 0x8ada218c, 0x5db82d09, 0xff6f3ec7, 0x280d3242,
  28         0x6c156477, 0xbb7768f2, 0x19a07b3c, 0xcec277b9, 0x877f5ae1, 0x501d5664,
  29         0xf2ca45aa, 0x25a8492f, 0xfb1369cc, 0x2c716549, 0x8ea67687, 0x59c47a02,
  30         0x1079575a, 0xc71b5bdf, 0x65cc4811, 0xb2ae4494, 0xf6b612a1, 0x21d41e24,
  31         0x83030dea, 0x5461016f, 0x1ddc2c37, 0xcabe20b2, 0x6869337c, 0xbf0b3ff9,
  32         0xe0599f16, 0x373b9393, 0x95ec805d, 0x428e8cd8, 0x0b33a180, 0xdc51ad05,
  33         0x7e86becb, 0xa9e4b24e, 0xedfce47b, 0x3a9ee8fe, 0x9849fb30, 0x4f2bf7b5,
  34         0x0696daed, 0xd1f4d668, 0x7323c5a6, 0xa441c923, 0xcd868478, 0x1ae488fd,
  35         0xb8339b33, 0x6f5197b6, 0x26ecbaee, 0xf18eb66b, 0x5359a5a5, 0x843ba920,
  36         0xc023ff15, 0x1741f390, 0xb596e05e, 0x62f4ecdb, 0x2b49c183, 0xfc2bcd06,
  37         0x5efcdec8, 0x899ed24d, 0xd6cc72a2, 0x01ae7e27, 0xa3796de9, 0x741b616c,
  38         0x3da64c34, 0xeac440b1, 0x4813537f, 0x9f715ffa, 0xdb6909cf, 0x0c0b054a,
  39         0xaedc1684, 0x79be1a01, 0x30033759, 0xe7613bdc, 0x45b62812, 0x92d42497,
  40         0x9638b2a4, 0x415abe21, 0xe38dadef, 0x34efa16a, 0x7d528c32, 0xaa3080b7,
  41         0x08e79379, 0xdf859ffc, 0x9b9dc9c9, 0x4cffc54c, 0xee28d682, 0x394ada07,
  42         0x70f7f75f, 0xa795fbda, 0x0542e814, 0xd220e491, 0x8d72447e, 0x5a1048fb,
  43         0xf8c75b35, 0x2fa557b0, 0x66187ae8, 0xb17a766d, 0x13ad65a3, 0xc4cf6926,
  44         0x80d73f13, 0x57b53396, 0xf5622058, 0x22002cdd, 0x6bbd0185, 0xbcdf0d00,
  45         0x1e081ece, 0xc96a124b, 0xa0ad5f10, 0x77cf5395, 0xd518405b, 0x027a4cde,
  46         0x4bc76186, 0x9ca56d03, 0x3e727ecd, 0xe9107248, 0xad08247d, 0x7a6a28f8,
  47         0xd8bd3b36, 0x0fdf37b3, 0x46621aeb, 0x9100166e, 0x33d705a0, 0xe4b50925,
  48         0xbbe7a9ca, 0x6c85a54f, 0xce52b681, 0x1930ba04, 0x508d975c, 0x87ef9bd9,
  49         0x25388817, 0xf25a8492, 0xb642d2a7, 0x6120de22, 0xc3f7cdec, 0x1495c169,
  50         0x5d28ec31, 0x8a4ae0b4, 0x289df37a, 0xffffffff,
  51 };
  52
  53 int main(int argc, char *argv[])
  54 {
  55         unsigned int i;
  56         char c[4] = { 0 };
  57
  58         plan_tests(260);
  59         ok1(crc32(c, 0) == 0x00000000);
  60         ok1(crc32(c, 1) == 0xd202ef8d);
  61         ok1(crc32(c, 2) == 0x41d912ff);
  62         ok1(crc32(c, 3) == 0xff41d912);
  63
  64         for (i = 0; i < 256; i++) {
  65                 memset(c, i, sizeof(c));
  66                 ok1(crc32(c, sizeof(c)) == crc_expect[i]);
  67         }
  68         return exit_status();
  69 }