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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: tchecksum.c
* Aug 21 2006
* Quincey Koziol <koziol@hdfgroup.org>
*
* Purpose: Test internal checksum routine(s)
*
*-------------------------------------------------------------------------
*/
/***********/
/* Headers */
/***********/
#include "testhdf5.h"
/**********/
/* Macros */
/**********/
#define BUF_LEN 3093 /* No particular value */
/*******************/
/* Local variables */
/*******************/
/****************************************************************
**
** test_chksum_size_one(): Checksum 1 byte buffer
**
****************************************************************/
static void
test_chksum_size_one(void)
{
uint8_t buf[1] = {23}; /* Buffer to checksum */
uint32_t chksum; /* Checksum value */
/* Buffer w/real data */
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0x17001700, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xfa2568b7, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0xa209c931, "H5_checksum_lookup3");
/* Buffer w/zero(s) for data */
HDmemset(buf, 0, sizeof(buf));
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xfa60fb57, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x8ba9414b, "H5_checksum_lookup3");
} /* test_chksum_size_one() */
/****************************************************************
**
** test_chksum_size_two(): Checksum 2 byte buffer
**
****************************************************************/
static void
test_chksum_size_two(void)
{
uint8_t buf[2] = {23, 187}; /* Buffer to checksum */
uint32_t chksum; /* Checksum value */
/* Buffer w/real data */
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0x17bb17bb, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xfc856608, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x8ba7a6c9, "H5_checksum_lookup3");
/* Buffer w/zero(s) for data */
HDmemset(buf, 0, sizeof(buf));
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xfc7e9b20, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x62cd61b3, "H5_checksum_lookup3");
} /* test_chksum_size_two() */
/****************************************************************
**
** test_chksum_size_three(): Checksum 3 byte buffer
**
****************************************************************/
static void
test_chksum_size_three(void)
{
uint8_t buf[3] = {23, 187, 98}; /* Buffer to checksum */
uint32_t chksum; /* Checksum value */
/* Buffer w/real data */
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0x917679bb, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xfebc5d70, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0xcebdf4f0, "H5_checksum_lookup3");
/* Buffer w/zero(s) for data */
HDmemset(buf, 0, sizeof(buf));
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xf9cc4c7a, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x6bd0060f, "H5_checksum_lookup3");
} /* test_chksum_size_three() */
/****************************************************************
**
** test_chksum_size_four(): Checksum 4 byte buffer
**
****************************************************************/
static void
test_chksum_size_four(void)
{
uint8_t buf[4] = {23, 187, 98, 217};/* Buffer to checksum */
uint32_t chksum; /* Checksum value */
/* Buffer w/real data */
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0x924f7a94, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xff398a46, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x2c88bb51, "H5_checksum_lookup3");
/* Buffer w/zero(s) for data */
HDmemset(buf, 0, sizeof(buf));
chksum = H5_checksum_fletcher32(buf, sizeof(buf));
VERIFY(chksum, 0, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(buf, sizeof(buf));
VERIFY(chksum, 0xff117081, "H5_checksum_crc");
chksum = H5_checksum_lookup3(buf, sizeof(buf), 0);
VERIFY(chksum, 0x049396b8, "H5_checksum_lookup3");
} /* test_chksum_size_four() */
/****************************************************************
**
** test_chksum_large(): Checksum larger buffer
**
****************************************************************/
static void
test_chksum_large(void)
{
uint8_t *large_buf; /* Buffer for checksum calculations */
uint32_t chksum; /* Checksum value */
size_t u; /* Local index variable */
/* Allocate the buffer */
large_buf = (uint8_t *)HDmalloc((size_t)BUF_LEN);
CHECK_PTR(large_buf, "HDmalloc");
/* Initialize buffer w/known data */
for(u = 0; u < BUF_LEN; u++)
large_buf[u] = (uint8_t)(u * 3);
/* Buffer w/real data */
chksum = H5_checksum_fletcher32(large_buf, (size_t)BUF_LEN);
VERIFY(chksum, 0x85b4e2a, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(large_buf, (size_t)BUF_LEN);
VERIFY(chksum, 0xfbd0f7c0, "H5_checksum_crc");
chksum = H5_checksum_lookup3(large_buf, (size_t)BUF_LEN, 0);
VERIFY(chksum, 0x1bd2ee7b, "H5_checksum_lookup3");
/* Buffer w/zero(s) for data */
HDmemset(large_buf, 0, (size_t)BUF_LEN);
chksum = H5_checksum_fletcher32(large_buf, (size_t)BUF_LEN);
VERIFY(chksum, 0, "H5_checksum_fletcher32");
chksum = H5_checksum_crc(large_buf, (size_t)BUF_LEN);
VERIFY(chksum, 0xfac8b4c4, "H5_checksum_crc");
chksum = H5_checksum_lookup3(large_buf, (size_t)BUF_LEN, 0);
VERIFY(chksum, 0x930c7afc, "H5_checksum_lookup3");
/* Release memory for buffer */
HDfree(large_buf);
} /* test_chksum_large() */
/****************************************************************
**
** test_checksum(): Main checksum testing routine.
**
****************************************************************/
void
test_checksum(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing checksum algorithms\n"));
/* Various checks for fletcher32 checksum algorithm */
test_chksum_size_one(); /* Test buffer w/only 1 byte */
test_chksum_size_two(); /* Test buffer w/only 2 bytes */
test_chksum_size_three(); /* Test buffer w/only 3 bytes */
test_chksum_size_four(); /* Test buffer w/only 4 bytes */
test_chksum_large(); /* Test buffer w/larger # of bytes */
} /* test_checksum() */
/*-------------------------------------------------------------------------
* Function: cleanup_checksum
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Quincey Koziol
* August 21, 2006
*
*-------------------------------------------------------------------------
*/
H5_ATTR_PURE H5_ATTR_CONST void
cleanup_checksum(void)
{
/* no file to clean */
}
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