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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
#ifdef RCSID
static char RcsId[] = "$Revision$";
#endif
/* $Id$ */
/***********************************************************
*
* Test program: trefer
*
* Test the Reference functionality
*
*************************************************************/
#include <testhdf5.h>
#include <hdf5.h>
#define FILE "trefer.h5"
/* 1-D dataset with fixed dimensions */
#define SPACE1_NAME "Space1"
#define SPACE1_RANK 1
#define SPACE1_DIM1 4
/****************************************************************
**
** test_reference_obj(): Test basic H5R (reference) object reference code.
** Tests references to various kinds of objects
**
****************************************************************/
static void
test_reference_obj(void)
{
hid_t fid1; /* HDF5 File IDs */
hid_t dataset, /* Dataset ID */
dset2; /* Dereferenced dataset ID */
hid_t group; /* Group ID */
hid_t sid1; /* Dataspace ID */
hsize_t dims1[] = {SPACE1_DIM1};
hobj_ref_t *wbuf, /* buffer to write to disk */
*rbuf, /* buffer read from disk */
*tbuf; /* temp. buffer read from disk */
uint32 *tu32; /* Temporary pointer to uint32 data */
intn i; /* counting variables */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Object Reference Functions\n"));
/* Allocate write & read buffers */
wbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
rbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
tbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
/* Create file */
fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a group */
group=H5Gcreate(fid1,"Group1",-1);
CHECK(group, FAIL, "H5Gcreate");
/* Close group */
ret = H5Gclose(group);
CHECK(ret, FAIL, "H5Gclose");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset1",H5T_STD_U32LE,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
for(tu32=(uint32 *)wbuf,i=0; i<SPACE1_DIM1; i++)
*tu32++=i*3;
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create another dataset */
dataset=H5Dcreate(fid1,"Dataset2",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset3",H5T_STD_PTR_OBJ,sid1,H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dcreate");
/* Create references */
ret = H5Rcreate(&wbuf[0],fid1,"/Dataset1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rcreate(&wbuf[1],fid1,"/Dataset2",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rcreate(&wbuf[2],fid1,"/Group1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_STD_PTR_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Re-open the file */
fid1 = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fopen");
/* Open the dataset */
dataset=H5Dopen(fid1,"/Dataset3");
CHECK(ret, FAIL, "H5Dcreate");
/* Read selection from disk */
ret=H5Dread(dataset,H5T_STD_PTR_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Try to open objects */
dset2 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[0]);
CHECK(dataset, FAIL, "H5Rdereference");
/* Check information in referenced dataset */
sid1 = H5Dget_space(dset2);
CHECK(sid1, FAIL, "H5Dget_space");
ret=H5Sget_simple_extent_npoints(sid1);
VERIFY(ret, 4, "H5Sget_simple_extent_npoints");
/* Read from disk */
ret=H5Dread(dset2,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,tbuf);
CHECK(ret, FAIL, "H5Dread");
for(tu32=(uint32 *)tbuf,i=0; i<SPACE1_DIM1; i++,tu32++)
VERIFY(*tu32, (uint32)(i*3), "Data");
/* Close dereferenced Dataset */
ret = H5Dclose(dset2);
CHECK(ret, FAIL, "H5Dclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Free memory buffers */
free(wbuf);
free(rbuf);
} /* test_reference_obj() */
/****************************************************************
**
** test_reference(): Main H5R reference testing routine.
**
****************************************************************/
void
test_reference(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing References\n"));
/* These next tests use the same file */
test_reference_obj(); /* Test basic H5R object reference code */
} /* test_reference() */
/*-------------------------------------------------------------------------
* Function: cleanup_reference
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Quincey Koziol
* September 8, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
cleanup_reference(void)
{
remove(FILE);
}
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