mirror of
https://github.com/MariaDB/server.git
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69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/* Copyright (c) MariaDB 2020
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#include <my_global.h>
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#include <my_sys.h>
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#include <my_crypt.h>
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#include <tap.h>
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#include <string.h>
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#include <ctype.h>
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#include <zlib.h>
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/*
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Check that optimized crc32 (ieee, or ethernet polynomical) returns the same
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result as zlib (not so well optimized, yet, but trustworthy)
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*/
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#define DO_TEST_CRC32(crc,str) \
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ok(crc32(crc,(const Bytef *)str,(uint)(sizeof(str)-1)) == my_checksum(crc, str, sizeof(str)-1), "crc32 '%s'",str)
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/* Check that CRC32-C calculation returns correct result*/
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#define DO_TEST_CRC32C(crc,str,expected) \
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do { \
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unsigned int v = my_crc32c(crc, str, sizeof(str)-1); \
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printf("crc32(%u,'%s',%zu)=%u\n",crc,str,sizeof(str)-1,v); \
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ok(expected == my_crc32c(crc, str, sizeof(str)-1),"crc32c '%s'",str); \
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}while(0)
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#define LONG_STR "1234567890234568900212345678901231213123321212123123123123123"\
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"............................................................................." \
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \
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"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy" \
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"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
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int main(int argc __attribute__((unused)),char *argv[])
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{
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MY_INIT(argv[0]);
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plan(14);
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printf("%s\n",my_crc32c_implementation());
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DO_TEST_CRC32(0,"");
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DO_TEST_CRC32(1,"");
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DO_TEST_CRC32(0,"12345");
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DO_TEST_CRC32(1,"12345");
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DO_TEST_CRC32(0,"1234567890123456789");
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DO_TEST_CRC32(0, LONG_STR);
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ok(0 == my_checksum(0, NULL, 0) , "crc32 data = NULL, length = 0");
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DO_TEST_CRC32C(0,"", 0);
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DO_TEST_CRC32C(1,"", 1);
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DO_TEST_CRC32C(0, "12345", 416359221);
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DO_TEST_CRC32C(1, "12345", 549473433);
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DO_TEST_CRC32C(0, "1234567890123456789", 2366987449U);
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DO_TEST_CRC32C(0, LONG_STR, 3009234172U);
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ok(0 == my_crc32c(0, NULL, 0), "crc32c data = NULL, length = 0");
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my_end(0);
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return exit_status();
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}
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