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https://github.com/HDFGroup/hdf5.git
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948 lines
24 KiB
C
948 lines
24 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Robb Matzke <matzke@llnl.gov>
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* Tuesday, June 16, 1998
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*
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* Purpose: Tests functions in H5Tbit.c
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*/
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#include "h5test.h"
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#define H5T_PACKAGE
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#include "H5Tpkg.h"
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#define NTESTS 100000
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/*-------------------------------------------------------------------------
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* Function: test_find
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*
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* Purpose: Test bit find operations. This is just the basic stuff; more
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* rigorous testing will be performed by the other test
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* functions.
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*
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* Return: Success: 0
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*
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* Failure: -1
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*
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* Programmer: Robb Matzke
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* Tuesday, June 16, 1998
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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static herr_t
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test_find (void)
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{
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uint8_t v1[8];
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int i;
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ssize_t n;
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TESTING("bit search operations");
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/* The zero length buffer */
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HDmemset(v1, 0xaa, sizeof v1);
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n = H5T_bit_find(v1, (size_t)0, (size_t)0, H5T_BIT_LSB, TRUE);
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if(-1 != n) {
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H5_FAILED();
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puts (" Zero length test failed (lsb)!");
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goto failed;
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}
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n = H5T_bit_find(v1, (size_t)0, (size_t)0, H5T_BIT_MSB, TRUE);
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if(-1 != n) {
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H5_FAILED();
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puts (" Zero length test failed (msb)!");
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goto failed;
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}
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/* The zero buffer */
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HDmemset(v1, 0, sizeof v1);
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_LSB, TRUE);
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if(-1 != n) {
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H5_FAILED();
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puts (" Zero buffer test failed (lsb)!");
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goto failed;
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}
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_MSB, TRUE);
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if(-1 != n) {
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H5_FAILED();
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puts (" Zero buffer test failed (msb)!");
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goto failed;
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}
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/* Try all combinations of one byte */
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for(i = 0; i < 8 * (int)sizeof(v1); i++) {
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HDmemset(v1, 0, sizeof v1);
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v1[i / 8] = 1 << (i % 8);
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_LSB, TRUE);
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if((ssize_t)i != n) {
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H5_FAILED();
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printf (" Test for set bit %d failed (lsb)!\n", i);
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goto failed;
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}
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_MSB, TRUE);
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if((ssize_t)i != n) {
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H5_FAILED();
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printf (" Test for set bit %d failed (msb)!\n", i);
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goto failed;
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}
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}
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/* The one buffer */
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HDmemset(v1, 0xff, sizeof v1);
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_LSB, FALSE);
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if(-1 != n) {
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H5_FAILED();
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puts (" One buffer test failed (lsb)!");
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goto failed;
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}
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n = H5T_bit_find(v1, (size_t)0, 8 * sizeof(v1), H5T_BIT_MSB, FALSE);
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if(-1 != n) {
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H5_FAILED();
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puts (" One buffer test failed (msb)!");
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goto failed;
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}
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/* Try all combinations of one byte */
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for (i=0; i<8*(int)sizeof(v1); i++) {
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memset (v1, 0xff, sizeof v1);
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v1[i/8] &= ~(1<<(i%8));
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n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_LSB, FALSE);
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if ((ssize_t)i!=n) {
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H5_FAILED();
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printf (" Test for clear bit %d failed (lsb)!\n", i);
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goto failed;
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}
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n = H5T_bit_find (v1, 0, 8*sizeof(v1), H5T_BIT_MSB, FALSE);
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if ((ssize_t)i!=n) {
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H5_FAILED();
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printf (" Test for clear bit %d failed (lsb)!\n", i);
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goto failed;
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}
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}
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PASSED();
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return 0;
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failed:
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printf (" v = 0x");
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for (i=0; i<(int)sizeof(v1); i++) printf ("%02x", v1[i]);
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printf ("\n");
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return -1;
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}
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/*-------------------------------------------------------------------------
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* Function: test_copy
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*
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* Purpose: Test bit copy operations.
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*
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* Return: Success: 0
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*
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* Failure: -1
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*
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* Programmer: Robb Matzke
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* Tuesday, June 16, 1998
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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static herr_t
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test_copy (void)
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{
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uint8_t v1[8], v2[8];
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size_t s_offset, d_offset, size;
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int i, j;
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ssize_t n;
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TESTING("bit copy operations");
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for (i=0; i<NTESTS; i++) {
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s_offset = HDrand() % (8*sizeof v1);
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d_offset = HDrand() % (8*sizeof v2);
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size = (unsigned)HDrand() % MIN (8*sizeof(v1), 8*sizeof(v2));
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size = MIN3 (size, 8*sizeof(v1)-s_offset, 8*sizeof(v2)-d_offset);
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memset (v1, 0xff, sizeof v1);
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memset (v2, 0x00, sizeof v2);
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/* Copy some bits to v2 and make sure something was copied */
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H5T_bit_copy (v2, d_offset, v1, s_offset, size);
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for (j=0; j<(int)sizeof(v2); j++) if (v2[j]) break;
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if (size>0 && j>=(int)sizeof(v2)) {
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H5_FAILED();
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puts (" Unabled to find copied region in destination");
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goto failed;
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}
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if (0==size && j<(int)sizeof(v2)) {
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H5_FAILED();
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puts (" Found copied bits when we shouldn't have");
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goto failed;
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}
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/* Look for the zeros and ones */
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n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_LSB, 1);
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if (size>0 && n!=(ssize_t)d_offset) {
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H5_FAILED();
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printf (" Unable to find first copied bit in destination "
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"(n=%d)\n", (int)n);
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goto failed;
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}
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if (0==size && n>=0) {
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H5_FAILED();
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puts (" Found copied bits and shouldn't have!");
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goto failed;
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}
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n = H5T_bit_find (v2, d_offset, 8*sizeof(v2)-d_offset, H5T_BIT_LSB, 0);
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if (d_offset+size<8*sizeof(v2) && n!=(ssize_t)size) {
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H5_FAILED();
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printf (" Unable to find last copied bit in destination "
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"(n=%d)\n", (int)n);
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goto failed;
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}
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if (d_offset+size==8*sizeof(v2) && n>=0) {
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H5_FAILED();
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puts (" High-order zeros are present and shouldn't be!");
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goto failed;
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}
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/*
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* Look for zeros and ones in reverse order. This is only to test
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* that reverse searches work as expected.
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*/
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n = H5T_bit_find (v2, 0, 8*sizeof(v2), H5T_BIT_MSB, 1);
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if (size>0 && (size_t)(n+1)!=d_offset+size) {
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H5_FAILED();
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printf (" Unable to find last copied bit in destination "
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"(reverse, n=%d)\n", (int)n);
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goto failed;
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}
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if (0==size && n>=0) {
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H5_FAILED();
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puts (" Found copied bits but shouldn't have (reverse)!");
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goto failed;
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}
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n = H5T_bit_find (v2, 0, d_offset+size, H5T_BIT_MSB, 0);
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if (d_offset>0 && n+1!=(ssize_t)d_offset) {
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H5_FAILED();
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printf (" Unable to find beginning of copied data "
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"(reverse, n=%d)\n", (int)n);
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goto failed;
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}
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if (0==d_offset && n>=0) {
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H5_FAILED();
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puts (" Found leading original data but shouldn't have!");
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goto failed;
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}
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}
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PASSED();
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return 0;
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failed:
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printf (" i=%d, s_offset=%lu, d_offset=%lu, size=%lu\n",
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i, (unsigned long)s_offset, (unsigned long)d_offset,
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(unsigned long)size);
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printf (" s = 0x");
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for (j=sizeof(v1)-1; j>=0; --j) printf ("%02x", v1[j]);
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printf ("\n d = 0x");
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for (j=sizeof(v2)-1; j>=0; --j) printf ("%02x", v2[j]);
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printf ("\n");
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return -1;
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}
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/*-------------------------------------------------------------------------
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* Function: test_shift
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*
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* Purpose: Test bit shifting operations.
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*
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* Return: Success: 0
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*
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* Failure: -1
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*
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* Programmer: Raymond Lu
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* Monday, April 12, 2004
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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static herr_t
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test_shift (void)
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{
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uint8_t vector[8];
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size_t offset, size;
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int i, j;
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ssize_t shift_dist, n;
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TESTING("bit shift operations");
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for (i=0; i<NTESTS; i++) {
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offset = HDrand() % (8*sizeof vector);
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size = (unsigned)HDrand() % (8*sizeof(vector)-offset);
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/* Don't want size to be 0 */
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if(size == 0) continue;
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shift_dist = HDrand() % size;
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/*-------- LEFT-shift some bits and make sure something was shifted --------*/
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memset (vector, 0x00, sizeof vector);
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H5T_bit_set (vector, offset, size, 1);
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H5T_bit_shift (vector, shift_dist, offset, size);
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/* Look for the ones */
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n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
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if ((size_t)n!=offset+shift_dist) {
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H5_FAILED();
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printf (" Unable to find first bit in destination "
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"(n=%d)\n", (int)n);
|
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goto failed;
|
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}
|
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|
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/*
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* Look for zeros and ones in reverse order. This is only to test
|
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* that reverse searches work as expected.
|
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*/
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n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
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if (n!=(ssize_t)(offset+size-1)) {
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H5_FAILED();
|
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printf (" Unable to find last bit in destination "
|
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"(reverse, n=%d)\n", (int)n);
|
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goto failed;
|
||
}
|
||
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/*-------- RIGHT-shift some bits and make sure something was shifted --------*/
|
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memset (vector, 0x00, sizeof vector);
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H5T_bit_set (vector, offset, size, 1);
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||
|
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H5T_bit_shift (vector, -shift_dist, offset, size);
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||
|
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/* Look for the ones */
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n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
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if ((size_t)n!=offset) {
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H5_FAILED();
|
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printf (" Unable to find first bit in destination "
|
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"(n=%d)\n", (int)n);
|
||
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 (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (n!=(ssize_t)(offset+size-shift_dist-1)) {
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H5_FAILED();
|
||
printf (" Unable to find last bit in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
|
||
/*-------- Shift the bits out of sight --------*/
|
||
/* A sequence 111111 will be 000000 if shift_dist=6 */
|
||
|
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/* Randomly decide shift direction */
|
||
if(size % 2 == 0)
|
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shift_dist = size;
|
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else
|
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shift_dist = -((ssize_t)size);
|
||
|
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memset (vector, 0x00, sizeof vector);
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H5T_bit_set (vector, offset, size, 1);
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||
|
||
H5T_bit_shift (vector, shift_dist, offset, size);
|
||
|
||
/* Supposed to fail to find any ones */
|
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n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
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if (n >= 0) {
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||
H5_FAILED();
|
||
printf (" Unable to verify all bits are zero in destination(LSB) "
|
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"(n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
|
||
/* Look from the other direction */
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (n >= 0) {
|
||
H5_FAILED();
|
||
printf (" Unable to verify all bits are zero in destination(MSB) "
|
||
"(n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
}
|
||
|
||
PASSED();
|
||
return 0;
|
||
|
||
failed:
|
||
printf (" i=%d, offset=%lu, size=%lu, shift_dist=%lu\n",
|
||
i, (unsigned long)offset, (unsigned long)size,
|
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(unsigned long)shift_dist);
|
||
for (j=sizeof(vector)-1; j>=0; --j) printf ("%02x", vector[j]);
|
||
printf ("\n");
|
||
return -1;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: test_increment
|
||
*
|
||
* Purpose: Test operation to increment bit vector by 1.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Raymond Lu
|
||
* Monday, April 12, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
test_increment (void)
|
||
{
|
||
uint8_t vector[8];
|
||
size_t offset, size;
|
||
int i, j;
|
||
ssize_t n;
|
||
|
||
TESTING("bit increment operations");
|
||
|
||
for (i=0; i<NTESTS; i++) {
|
||
offset = HDrand() % (8*sizeof vector);
|
||
size = (unsigned)HDrand() % (8*sizeof(vector)-offset);
|
||
/* Don't want size to be 0 */
|
||
if(size == 0) continue;
|
||
|
||
memset (vector, 0x00, sizeof vector);
|
||
if(size>1) /* if size=6, make a sequence like 011111 */
|
||
H5T_bit_set (vector, offset, size-1, 1);
|
||
else /* if size=1, just set this one bit to 1 */
|
||
H5T_bit_set (vector, offset, size, 1);
|
||
|
||
/* Increment the sequence by one */
|
||
H5T_bit_inc (vector, offset, size);
|
||
|
||
/* Look for the one */
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
||
if (size!=1 && (size_t)n!=offset+size-1) {
|
||
H5_FAILED();
|
||
printf (" Unable to find first bit in destination "
|
||
"(n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
if(size==1 && n>=0) {
|
||
H5_FAILED();
|
||
printf (" Unable to verify all-zero bit in destination "
|
||
"(n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
|
||
/*
|
||
* Look for one in reverse order. This is only to test
|
||
* that reverse searches work as expected.
|
||
*/
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (size!=1 && n!=(ssize_t)(offset+size-1)) {
|
||
H5_FAILED();
|
||
printf (" Unable to find last bit in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
if(size==1 && n>=0) {
|
||
H5_FAILED();
|
||
printf (" Unable to verify all-zero bit in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
}
|
||
|
||
PASSED();
|
||
return 0;
|
||
|
||
failed:
|
||
printf (" i=%d, offset=%lu, size=%lu\n",
|
||
i, (unsigned long)offset, (unsigned long)size);
|
||
for (j=sizeof(vector)-1; j>=0; --j) printf ("%02x", vector[j]);
|
||
printf ("\n");
|
||
return -1;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: test_decrement
|
||
*
|
||
* Purpose: Test operation to decrement bit vector by 1.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Raymond Lu
|
||
* Monday, April 12, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
test_decrement (void)
|
||
{
|
||
uint8_t vector[8];
|
||
size_t offset, size;
|
||
int i, j;
|
||
ssize_t n;
|
||
|
||
TESTING("bit decrement operations");
|
||
|
||
for (i=0; i<NTESTS; i++) {
|
||
offset = HDrand() % (8*sizeof vector);
|
||
size = (unsigned)HDrand() % (8*sizeof(vector)-offset);
|
||
/* Don't want size to be 0 */
|
||
if(size == 0) continue;
|
||
|
||
/* All-zero sequence will become 111111(size=6) after decrement */
|
||
memset (vector, 0x00, sizeof vector);
|
||
|
||
/* decrement the sequence by one */
|
||
H5T_bit_dec (vector, offset, size);
|
||
|
||
/* Look for the ones */
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
||
if ((size_t)n!=offset) {
|
||
H5_FAILED();
|
||
printf (" Unable to find first bit in destination "
|
||
"(n=%d)\n", (int)n);
|
||
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 (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (n!=(ssize_t)(offset+size-1)) {
|
||
H5_FAILED();
|
||
printf (" Unable to find last bit in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
}
|
||
|
||
PASSED();
|
||
return 0;
|
||
|
||
failed:
|
||
printf (" i=%d, offset=%lu, size=%lu\n",
|
||
i, (unsigned long)offset, (unsigned long)size);
|
||
for (j=sizeof(vector)-1; j>=0; --j) printf ("%02x", vector[j]);
|
||
printf ("\n");
|
||
return -1;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: test_negate
|
||
*
|
||
* Purpose: Test operation to negate bit vector.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Raymond Lu
|
||
* Monday, April 12, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
test_negate (void)
|
||
{
|
||
uint8_t vector[8];
|
||
size_t offset, size;
|
||
int i, j;
|
||
ssize_t n;
|
||
|
||
TESTING("bit negate operations");
|
||
|
||
for (i=0; i<NTESTS; i++) {
|
||
offset = HDrand() % (8*sizeof vector);
|
||
size = (unsigned)HDrand() % (8*sizeof(vector)-offset);
|
||
/* Don't want size to be 0 */
|
||
if(size == 0) continue;
|
||
|
||
/* All-zero sequence will become 111111(size=6) after negating */
|
||
memset (vector, 0x00, sizeof vector);
|
||
|
||
/* negate the sequence */
|
||
H5T_bit_neg (vector, offset, size);
|
||
|
||
/* Look for the ones */
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
||
if ((size_t)n!=offset) {
|
||
H5_FAILED();
|
||
printf (" Unable to find first bit in destination "
|
||
"(n=%d)\n", (int)n);
|
||
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 (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (n!=(ssize_t)(offset+size-1)) {
|
||
H5_FAILED();
|
||
printf (" Unable to find last bit in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
|
||
/* All-one sequence will become 000000(size=6) after negating */
|
||
memset (vector, 0x00, sizeof vector);
|
||
H5T_bit_set (vector, offset, size, 1);
|
||
|
||
/* negate the sequence */
|
||
H5T_bit_neg (vector, offset, size);
|
||
|
||
/* Look for the ones */
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_LSB, 1);
|
||
if (n>=0) {
|
||
H5_FAILED();
|
||
printf (" Unable to verify all-zero bits in destination "
|
||
"(n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
|
||
/*
|
||
* Look for ones in reverse order. This is only to test
|
||
* that reverse searches work as expected.
|
||
*/
|
||
n = H5T_bit_find (vector, 0, 8*sizeof(vector), H5T_BIT_MSB, 1);
|
||
if (n>=0) {
|
||
H5_FAILED();
|
||
printf (" Unable to verify all-zero bits in destination "
|
||
"(reverse, n=%d)\n", (int)n);
|
||
goto failed;
|
||
}
|
||
}
|
||
|
||
PASSED();
|
||
return 0;
|
||
|
||
failed:
|
||
printf (" i=%d, offset=%lu, size=%lu\n",
|
||
i, (unsigned long)offset, (unsigned long)size);
|
||
for (j=sizeof(vector)-1; j>=0; --j) printf ("%02x", vector[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 = HDrand() % (8*sizeof v2);
|
||
size = (unsigned)HDrand() % (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 = HDrand() % (8*sizeof v2);
|
||
size = (unsigned)HDrand() % (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;
|
||
nerrors += test_shift()<0?1:0;
|
||
nerrors += test_increment ()<0?1:0;
|
||
nerrors += test_decrement ()<0?1:0;
|
||
nerrors += test_negate ()<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;
|
||
}
|