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/*-
* Public Domain 2014-present MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "test_util.h"
/*
* JIRA ticket reference: WT-4117 Test case description: Smoke-test the CRC32C external API.
*/
/*
* check --
* TODO: Add a comment describing this function.
*/
static inline void
check(uint32_t crc32c, uint32_t expected, size_t len, const char *msg)
{
testutil_checkfmt(crc32c == expected ? 0 : 1,
"%s checksum mismatch of %" WT_SIZET_FMT " bytes: %#08x != %#08x\n", msg, len, crc32c,
expected);
}
/*
* run --
* TODO: Add a comment describing this function.
*/
static void
run(void)
{
size_t len;
uint32_t crc32c, (*func)(const void *, size_t);
uint8_t *data;
/* Allocate aligned memory for the data. */
data = dcalloc(100, sizeof(uint8_t));
/* Get a pointer to the CRC32C function. */
func = wiredtiger_crc32c_func();
/*
* Some simple known checksums.
*/
len = 1;
crc32c = func(data, len);
check(crc32c, (uint32_t)0x527d5351, len, "nul x1");
len = 2;
crc32c = func(data, len);
check(crc32c, (uint32_t)0xf16177d2, len, "nul x2");
len = 3;
crc32c = func(data, len);
check(crc32c, (uint32_t)0x6064a37a, len, "nul x3");
len = 4;
crc32c = func(data, len);
check(crc32c, (uint32_t)0x48674bc7, len, "nul x4");
len = strlen("123456789");
memcpy(data, "123456789", len);
crc32c = func(data, len);
check(crc32c, (uint32_t)0xe3069283, len, "known string #1");
len = strlen("The quick brown fox jumps over the lazy dog");
memcpy(data, "The quick brown fox jumps over the lazy dog", len);
crc32c = func(data, len);
check(crc32c, (uint32_t)0x22620404, len, "known string #2");
free(data);
}
/*
* main --
* TODO: Add a comment describing this function.
*/
int
main(void)
{
run();
return (EXIT_SUCCESS);
}
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