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|
/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Tuesday, June 16, 1998
*
* Purpose: Tests functions in H5Tbit.c
*/
#include "h5test.h"
#define H5T_PACKAGE
#include "H5Tpkg.h"
#define NTESTS 100000
/*-------------------------------------------------------------------------
* Function: test_find
*
* Purpose: Test bit find operations. This is just the basic stuff; more
* rigorous testing will be performed by the other test
* functions.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Tuesday, June 16, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
test_find (void)
{
uint8_t v1[8];
int i;
ssize_t n;
TESTING("bit search operations");
/* The zero length buffer */
memset (v1, 0xaa, sizeof v1);
n = H5T_bit_find (v1, 0, 0, H5T_BIT_LSB, TRUE);
if (-1!=n) {
H5_FAILED();
puts (" Zero length test failed (lsb)!");
goto failed;
}
n = H5T_bit_find (v1, 0, 0, H5T_BIT_MSB, TRUE);
if (-1!=n) {
H5_FAILED();
puts (" Zero length test failed (msb)!");
goto failed;
}
/* The zero buffer */
memset (v1, 0, sizeof v1);
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_LSB, TRUE);
if (-1!=n) {
H5_FAILED();
puts (" Zero buffer test failed (lsb)!");
goto failed;
}
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_MSB, TRUE);
if (-1!=n) {
H5_FAILED();
puts (" Zero buffer test failed (msb)!");
goto failed;
}
/* Try all combinations of one byte */
for (i=0; i<8*(int)sizeof(v1); i++) {
memset (v1, 0, sizeof v1);
v1[i/8] = 1<<(i%8);
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_LSB, TRUE);
if ((ssize_t)i!=n) {
H5_FAILED();
printf (" Test for set bit %d failed (lsb)!\n", i);
goto failed;
}
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_MSB, TRUE);
if ((ssize_t)i!=n) {
H5_FAILED();
printf (" Test for set bit %d failed (msb)!\n", i);
goto failed;
}
}
/* The one buffer */
memset (v1, 0xff, sizeof v1);
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_LSB, FALSE);
if (-1!=n) {
H5_FAILED();
puts (" One buffer test failed (lsb)!");
goto failed;
}
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_MSB, FALSE);
if (-1!=n) {
H5_FAILED();
puts (" One buffer test failed (msb)!");
goto failed;
}
/* Try all combinations of one byte */
for (i=0; i<8*(int)sizeof(v1); i++) {
memset (v1, 0xff, sizeof v1);
v1[i/8] &= ~(1<<(i%8));
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_LSB, FALSE);
if ((ssize_t)i!=n) {
H5_FAILED();
printf (" Test for clear bit %d failed (lsb)!\n", i);
goto failed;
}
n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_MSB, FALSE);
if ((ssize_t)i!=n) {
H5_FAILED();
printf (" Test for clear bit %d failed (lsb)!\n", i);
goto failed;
}
}
PASSED();
return 0;
failed:
printf (" v = 0x");
for (i=0; i<(int)sizeof(v1); i++) printf ("%02x", v1[i]);
printf ("\n");
return -1;
}
/*-------------------------------------------------------------------------
* Function: test_copy
*
* Purpose: Test bit copy operations.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Tuesday, June 16, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
test_copy (void)
{
uint8_t v1[8], v2[8];
size_t s_offset, d_offset, size;
int i, j;
ssize_t n;
TESTING("bit copy operations");
for (i=0; i<NTESTS; i++) {
s_offset = rand() % (8*sizeof v1);
d_offset = rand() % (8*sizeof v2);
size = (unsigned)rand() % MIN (8*sizeof(v1), 8*sizeof(v2));
size = MIN3 (size, 8*sizeof(v1)-s_offset, 8*sizeof(v2)-d_offset);
memset (v1, 0xff, sizeof v1);
memset (v2, 0x00, sizeof v2);
/* Copy some bits to v2 and make sure something was copied */
H5T_bit_copy (v2, d_offset, v1, s_offset, size);
for (j=0; j<(int)sizeof(v2); j++) if (v2[j]) break;
if (size>0 && j>=(int)sizeof(v2)) {
H5_FAILED();
puts (" Unabled to find copied region in destination");
goto failed;
}
if (0==size && j<(int)sizeof(v2)) {
H5_FAILED();
puts (" Found copied bits when we shouldn't have");
goto failed;
}
/* Look for the zeros and ones */
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_LSB, 1);
if (size>0 && n!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find first copied bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found copied bits and shouldn't have!");
goto failed;
}
n = H5T_bit_find (v2, d_offset, 8*sizeof(v2)-d_offset, H5T_BIT_LSB, 0);
if (d_offset+size<8*sizeof(v2) && n!=(ssize_t)size) {
H5_FAILED();
printf (" Unable to find last copied bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (d_offset+size==8*sizeof(v2) && n>=0) {
H5_FAILED();
puts (" High-order zeros are present and shouldn't be!");
goto failed;
}
/*
* Look for zeros and ones in reverse order. This is only to test
* that reverse searches work as expected.
*/
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_MSB, 1);
if (size>0 && (size_t)(n+1)!=d_offset+size) {
H5_FAILED();
printf (" Unable to find last copied bit in destination "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found copied bits but shouldn't have (reverse)!");
goto failed;
}
n = H5T_bit_find (v2, 0, d_offset+size, H5T_BIT_MSB, 0);
if (d_offset>0 && n+1!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find beginning of copied data "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==d_offset && n>=0) {
H5_FAILED();
puts (" Found leading original data but shouldn't have!");
goto failed;
}
}
PASSED();
return 0;
failed:
printf (" i=%d, s_offset=%lu, d_offset=%lu, size=%lu\n",
i, (unsigned long)s_offset, (unsigned long)d_offset,
(unsigned long)size);
printf (" s = 0x");
for (j=sizeof(v1)-1; j>=0; --j) printf ("%02x", v1[j]);
printf ("\n d = 0x");
for (j=sizeof(v2)-1; j>=0; --j) printf ("%02x", v2[j]);
printf ("\n");
return -1;
}
/*-------------------------------------------------------------------------
* Function: test_set
*
* Purpose: Test bit set operations
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Tuesday, June 16, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
test_set (void)
{
uint8_t v2[8];
size_t d_offset, size;
int i, j;
ssize_t n;
TESTING("bit set operations");
for (i=0; i<NTESTS; i++) {
d_offset = rand() % (8*sizeof v2);
size = (unsigned)rand() % (8*sizeof(v2));
size = MIN (size, 8*sizeof(v2)-d_offset);
memset (v2, 0x00, sizeof v2);
/* Set some bits in v2 */
H5T_bit_set (v2, d_offset, size, TRUE);
for (j=0; j<(int)sizeof(v2); j++) if (v2[j]) break;
if (size>0 && j>=(int)sizeof(v2)) {
H5_FAILED();
puts (" Unabled to find set region in buffer");
goto failed;
}
if (0==size && j<(int)sizeof(v2)) {
H5_FAILED();
puts (" Found set bits when we shouldn't have");
goto failed;
}
/* Look for the zeros and ones */
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_LSB, 1);
if (size>0 && n!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find first set bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found set bits and shouldn't have!");
goto failed;
}
n = H5T_bit_find (v2, d_offset, 8*sizeof(v2)-d_offset, H5T_BIT_LSB, 0);
if (d_offset+size<8*sizeof(v2) && n!=(ssize_t)size) {
H5_FAILED();
printf (" Unable to find last set bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (d_offset+size==8*sizeof(v2) && n>=0) {
H5_FAILED();
puts (" High-order zeros are present and shouldn't be!");
goto failed;
}
/*
* Look for zeros and ones in reverse order. This is only to test
* that reverse searches work as expected.
*/
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_MSB, 1);
if (size>0 && (size_t)(n+1)!=d_offset+size) {
H5_FAILED();
printf (" Unable to find last set bit in destination "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found set bits but shouldn't have (reverse)!");
goto failed;
}
n = H5T_bit_find (v2, 0, d_offset+size, H5T_BIT_MSB, 0);
if (d_offset>0 && n+1!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find beginning of set bit region "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==d_offset && n>=0) {
H5_FAILED();
puts (" Found leading zeros but shouldn't have!");
goto failed;
}
}
PASSED();
return 0;
failed:
printf (" i=%d, d_offset=%lu, size=%lu\n",
i, (unsigned long)d_offset, (unsigned long)size);
printf (" d = 0x");
for (j=sizeof(v2)-1; j>=0; --j) printf ("%02x", v2[j]);
printf ("\n");
return -1;
}
/*-------------------------------------------------------------------------
* Function: test_clear
*
* Purpose: Test bit clear operations
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Tuesday, June 16, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
test_clear (void)
{
uint8_t v2[8];
size_t d_offset, size;
int i, j;
ssize_t n;
TESTING("bit clear operations");
for (i=0; i<NTESTS; i++) {
d_offset = rand() % (8*sizeof v2);
size = (unsigned)rand() % (8*sizeof(v2));
size = MIN (size, 8*sizeof(v2)-d_offset);
memset (v2, 0xff, sizeof v2);
/* Clear some bits in v2 */
H5T_bit_set (v2, d_offset, size, FALSE);
for (j=0; j<(int)sizeof(v2); j++) if (0xff!=v2[j]) break;
if (size>0 && j>=(int)sizeof(v2)) {
H5_FAILED();
puts (" Unabled to find cleared region in buffer");
goto failed;
}
if (0==size && j<(int)sizeof(v2)) {
H5_FAILED();
puts (" Found cleared bits when we shouldn't have");
goto failed;
}
/* Look for the zeros and ones */
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_LSB, 0);
if (size>0 && n!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find first cleared bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found cleared bits and shouldn't have!");
goto failed;
}
n = H5T_bit_find (v2, d_offset, 8*sizeof(v2)-d_offset, H5T_BIT_LSB, 1);
if (d_offset+size<8*sizeof(v2) && n!=(ssize_t)size) {
H5_FAILED();
printf (" Unable to find last cleared bit in destination "
"(n=%d)\n", (int)n);
goto failed;
}
if (d_offset+size==8*sizeof(v2) && n>=0) {
H5_FAILED();
puts (" High-order ones are present and shouldn't be!");
goto failed;
}
/*
* Look for zeros and ones in reverse order. This is only to test
* that reverse searches work as expected.
*/
n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_MSB, 0);
if (size>0 && (size_t)(n+1)!=d_offset+size) {
H5_FAILED();
printf (" Unable to find last cleared bit in destination "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==size && n>=0) {
H5_FAILED();
puts (" Found cleared bits but shouldn't have (reverse)!");
goto failed;
}
n = H5T_bit_find (v2, 0, d_offset+size, H5T_BIT_MSB, 1);
if (d_offset>0 && n+1!=(ssize_t)d_offset) {
H5_FAILED();
printf (" Unable to find beginning of cleared bit region "
"(reverse, n=%d)\n", (int)n);
goto failed;
}
if (0==d_offset && n>=0) {
H5_FAILED();
puts (" Found leading ones but shouldn't have!");
goto failed;
}
}
PASSED();
return 0;
failed:
printf (" i=%d, d_offset=%lu, size=%lu\n",
i, (unsigned long)d_offset, (unsigned long)size);
printf (" d = 0x");
for (j=sizeof(v2)-1; j>=0; --j) printf ("%02x", v2[j]);
printf ("\n");
return -1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose:
*
* Return: Success:
*
* Failure:
*
* Programmer: Robb Matzke
* Tuesday, June 16, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main (void)
{
int nerrors=0;
/*
* Open the library explicitly for thread-safe builds, so per-thread
* things are initialized correctly.
*/
#ifdef H5_HAVE_THREADSAFE
H5open();
#endif /* H5_HAVE_THREADSAFE */
nerrors += test_find ()<0?1:0;
nerrors += test_set ()<0?1:0;
nerrors += test_clear()<0?1:0;
nerrors += test_copy ()<0?1:0;
if (nerrors) {
printf("***** %u FAILURE%s! *****\n",
nerrors, 1==nerrors?"":"S");
exit(1);
}
printf("All bit tests passed.\n");
#ifdef H5_HAVE_THREADSAFE
H5close();
#endif /* H5_HAVE_THREADSAFE */
return 0;
}
|
