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/*
* Copyright 2010-2020, Tarantool AUTHORS, please see AUTHORS file.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "unit.h"
#include "crc32.h"
static void
test_alignment(void)
{
header();
plan(4);
unsigned long buf[1024];
char *str = (char *)buf;
strcpy(str, "1234567891234567");
uint32_t crc = crc32_calc(0, str, strlen(str));
is(crc, 3333896965, "aligned crc32 buffer without a tail");
strcpy(str, "12345678912345678");
crc = crc32_calc(0, str, strlen(str));
is(crc, 2400039513, "aligned crc32 buffer with a tail");
crc = crc32_calc(0, str + 2, strlen(str) - 2);
is(crc, 984331636, "not aligned crc32 buffer with a tail");
strcpy(str, "1234");
crc = crc32_calc(0, str + 2, strlen(str) - 2);
is(crc, 2211472564, "not aligned buffer less than a word");
check_plan();
footer();
}
int
main(void)
{
crc32_init();
header();
plan(1);
test_alignment();
int rc = check_plan();
footer();
return rc;
}
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