mirror of
https://github.com/HDFGroup/hdf5.git
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406 lines
12 KiB
C
406 lines
12 KiB
C
/****************************************************************************
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* NCSA HDF *
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* Software Development Group *
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* National Center for Supercomputing Applications *
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* University of Illinois at Urbana-Champaign *
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* 605 E. Springfield, Champaign IL 61820 *
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* *
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* For conditions of distribution and use, see the accompanying *
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* hdf/COPYING file. *
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* *
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****************************************************************************/
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#ifdef RCSID
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static char RcsId[] = "$Revision$";
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#endif
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/* $Id$ */
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/***********************************************************
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*
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* Test program: trefer
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*
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* Test the Reference functionality
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*
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*************************************************************/
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#include <testhdf5.h>
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#include <hdf5.h>
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#define FILE "trefer.h5"
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/* 1-D dataset with fixed dimensions */
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#define SPACE1_NAME "Space1"
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#define SPACE1_RANK 1
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#define SPACE1_DIM1 4
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/* 2-D dataset with fixed dimensions */
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#define SPACE2_NAME "Space2"
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#define SPACE2_RANK 2
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#define SPACE2_DIM1 10
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#define SPACE2_DIM2 10
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/* Element selection information */
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#define POINT1_NPOINTS 10
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/****************************************************************
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**
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** test_reference_obj(): Test basic H5R (reference) object reference code.
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** Tests references to various kinds of objects
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**
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****************************************************************/
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static void
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test_reference_obj(void)
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{
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hid_t fid1; /* HDF5 File IDs */
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hid_t dataset, /* Dataset ID */
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dset2; /* Dereferenced dataset ID */
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hid_t group; /* Group ID */
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hid_t sid1; /* Dataspace ID */
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hsize_t dims1[] = {SPACE1_DIM1};
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hobj_ref_t *wbuf, /* buffer to write to disk */
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*rbuf, /* buffer read from disk */
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*tbuf; /* temp. buffer read from disk */
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uint32 *tu32; /* Temporary pointer to uint32 data */
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intn i; /* counting variables */
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herr_t ret; /* Generic return value */
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/* Output message about test being performed */
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MESSAGE(5, ("Testing Object Reference Functions\n"));
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/* Allocate write & read buffers */
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wbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
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rbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
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tbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
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/* Create file */
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fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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CHECK(fid1, FAIL, "H5Fcreate");
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/* Create dataspace for datasets */
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sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
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CHECK(sid1, FAIL, "H5Screate_simple");
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/* Create a group */
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group=H5Gcreate(fid1,"Group1",-1);
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CHECK(group, FAIL, "H5Gcreate");
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/* Close group */
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ret = H5Gclose(group);
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CHECK(ret, FAIL, "H5Gclose");
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/* Create a dataset */
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dataset=H5Dcreate(fid1,"Dataset1",H5T_STD_U32LE,sid1,H5P_DEFAULT);
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CHECK(dataset, FAIL, "H5Dcreate");
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for(tu32=(uint32 *)wbuf,i=0; i<SPACE1_DIM1; i++)
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*tu32++=i*3;
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/* Write selection to disk */
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ret=H5Dwrite(dataset,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
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CHECK(ret, FAIL, "H5Dwrite");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Create another dataset */
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dataset=H5Dcreate(fid1,"Dataset2",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
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CHECK(dataset, FAIL, "H5Dcreate");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Create a dataset */
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dataset=H5Dcreate(fid1,"Dataset3",H5T_STD_REF_OBJ,sid1,H5P_DEFAULT);
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CHECK(ret, FAIL, "H5Dcreate");
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/* Create references */
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ret = H5Rcreate(&wbuf[0],fid1,"/Dataset1",H5R_OBJECT,-1);
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CHECK(ret, FAIL, "H5Rcreate");
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ret = H5Rcreate(&wbuf[1],fid1,"/Dataset2",H5R_OBJECT,-1);
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CHECK(ret, FAIL, "H5Rcreate");
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ret = H5Rcreate(&wbuf[2],fid1,"/Group1",H5R_OBJECT,-1);
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CHECK(ret, FAIL, "H5Rcreate");
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/* Write selection to disk */
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ret=H5Dwrite(dataset,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
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CHECK(ret, FAIL, "H5Dwrite");
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/* Close disk dataspace */
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ret = H5Sclose(sid1);
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CHECK(ret, FAIL, "H5Sclose");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close file */
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ret = H5Fclose(fid1);
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CHECK(ret, FAIL, "H5Fclose");
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/* Re-open the file */
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fid1 = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
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CHECK(fid1, FAIL, "H5Fopen");
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/* Open the dataset */
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dataset=H5Dopen(fid1,"/Dataset3");
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CHECK(ret, FAIL, "H5Dcreate");
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/* Read selection from disk */
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ret=H5Dread(dataset,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
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CHECK(ret, FAIL, "H5Dread");
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/* Try to open objects */
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dset2 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[0]);
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CHECK(dset2, FAIL, "H5Rdereference");
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/* Check information in referenced dataset */
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sid1 = H5Dget_space(dset2);
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CHECK(sid1, FAIL, "H5Dget_space");
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ret=H5Sget_simple_extent_npoints(sid1);
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VERIFY(ret, 4, "H5Sget_simple_extent_npoints");
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/* Read from disk */
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ret=H5Dread(dset2,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,tbuf);
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CHECK(ret, FAIL, "H5Dread");
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for(tu32=(uint32 *)tbuf,i=0; i<SPACE1_DIM1; i++,tu32++)
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VERIFY(*tu32, (uint32)(i*3), "Data");
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/* Close dereferenced Dataset */
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ret = H5Dclose(dset2);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close file */
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ret = H5Fclose(fid1);
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CHECK(ret, FAIL, "H5Fclose");
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/* Free memory buffers */
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free(wbuf);
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free(rbuf);
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free(tbuf);
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} /* test_reference_obj() */
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/****************************************************************
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**
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** test_reference_region(): Test basic H5R (reference) object reference code.
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** Tests references to various kinds of objects
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**
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****************************************************************/
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static void
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test_reference_region(void)
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{
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hid_t fid1; /* HDF5 File IDs */
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hid_t dset1, /* Dataset ID */
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dset2; /* Dereferenced dataset ID */
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hid_t sid1, /* Dataspace ID #1 */
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sid2; /* Dataspace ID #2 */
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hsize_t dims1[] = {SPACE1_DIM1},
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dims2[] = {SPACE2_DIM1, SPACE2_DIM2};
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hssize_t start[SPACE2_RANK]; /* Starting location of hyperslab */
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hsize_t stride[SPACE2_RANK]; /* Stride of hyperslab */
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hsize_t count[SPACE2_RANK]; /* Element count of hyperslab */
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hsize_t block[SPACE2_RANK]; /* Block size of hyperslab */
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hssize_t coord1[POINT1_NPOINTS][SPACE2_RANK]; /* Coordinates for point selection */
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hdset_reg_ref_t *wbuf, /* buffer to write to disk */
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*rbuf; /* buffer read from disk */
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uint8 *dwbuf, /* Buffer for writing numeric data to disk */
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*drbuf; /* Buffer for reading numeric data from disk */
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uint8 *tu8; /* Temporary pointer to uint8 data */
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intn i; /* counting variables */
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herr_t ret; /* Generic return value */
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/* Output message about test being performed */
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MESSAGE(5, ("Testing Dataset Region Reference Functions\n"));
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/* Allocate write & read buffers */
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wbuf=malloc(sizeof(hdset_reg_ref_t)*SPACE1_DIM1);
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rbuf=malloc(sizeof(hdset_reg_ref_t)*SPACE1_DIM1);
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dwbuf=malloc(sizeof(uint8)*SPACE2_DIM1*SPACE2_DIM2);
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drbuf=calloc(sizeof(uint8),SPACE2_DIM1*SPACE2_DIM2);
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/* Create file */
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fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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CHECK(fid1, FAIL, "H5Fcreate");
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/* Create dataspace for datasets */
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sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL);
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CHECK(sid2, FAIL, "H5Screate_simple");
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/* Create a dataset */
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dset2=H5Dcreate(fid1,"Dataset2",H5T_STD_U8LE,sid2,H5P_DEFAULT);
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CHECK(dset2, FAIL, "H5Dcreate");
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for(tu8=dwbuf,i=0; i<SPACE2_DIM1*SPACE2_DIM2; i++)
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*tu8++=i*3;
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/* Write selection to disk */
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ret=H5Dwrite(dset2,H5T_STD_U8LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,dwbuf);
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CHECK(ret, FAIL, "H5Dwrite");
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/* Close Dataset */
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ret = H5Dclose(dset2);
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CHECK(ret, FAIL, "H5Dclose");
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/* Create dataspace for the reference dataset */
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sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
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CHECK(sid1, FAIL, "H5Screate_simple");
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/* Create a dataset */
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dset1=H5Dcreate(fid1,"Dataset1",H5T_STD_REF_OBJ,sid1,H5P_DEFAULT);
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CHECK(ret, FAIL, "H5Dcreate");
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/* Create references */
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/* Select 6x6 hyperslab for first reference */
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start[0]=2; start[1]=2;
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stride[0]=1; stride[1]=1;
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count[0]=6; count[1]=6;
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block[0]=1; block[1]=1;
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ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
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CHECK(ret, FAIL, "H5Sselect_hyperslab");
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/* Store first dataset region */
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ret = H5Rcreate(&wbuf[0],fid1,"/Dataset2",H5R_DATASET_REGION,sid2);
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CHECK(ret, FAIL, "H5Rcreate");
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/* Select sequence of ten points for second reference */
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coord1[0][0]=6; coord1[0][1]=9;
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coord1[1][0]=2; coord1[1][1]=2;
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coord1[2][0]=8; coord1[2][1]=4;
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coord1[3][0]=1; coord1[3][1]=6;
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coord1[4][0]=2; coord1[4][1]=8;
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coord1[5][0]=3; coord1[5][1]=2;
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coord1[6][0]=0; coord1[6][1]=4;
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coord1[7][0]=9; coord1[7][1]=0;
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coord1[8][0]=7; coord1[8][1]=1;
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coord1[9][0]=3; coord1[9][1]=3;
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ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord1);
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CHECK(ret, FAIL, "H5Sselect_elements");
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/* Store second dataset region */
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ret = H5Rcreate(&wbuf[1],fid1,"/Dataset2",H5R_DATASET_REGION,sid2);
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CHECK(ret, FAIL, "H5Rcreate");
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/* Write selection to disk */
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ret=H5Dwrite(dset1,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
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CHECK(ret, FAIL, "H5Dwrite");
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/* Close disk dataspace */
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ret = H5Sclose(sid1);
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CHECK(ret, FAIL, "H5Sclose");
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/* Close Dataset */
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ret = H5Dclose(dset1);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close uint8 dataset dataspace */
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ret = H5Sclose(sid2);
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CHECK(ret, FAIL, "H5Sclose");
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/* Close file */
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ret = H5Fclose(fid1);
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CHECK(ret, FAIL, "H5Fclose");
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#ifdef LATER
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/* Re-open the file */
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fid1 = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
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CHECK(fid1, FAIL, "H5Fopen");
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/* Open the dataset */
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dataset=H5Dopen(fid1,"/Dataset3");
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CHECK(ret, FAIL, "H5Dcreate");
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/* Read selection from disk */
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ret=H5Dread(dataset,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
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CHECK(ret, FAIL, "H5Dread");
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/* Try to open objects */
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dset2 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[0]);
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CHECK(dset2, FAIL, "H5Rdereference");
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/* Check information in referenced dataset */
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sid1 = H5Dget_space(dset2);
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CHECK(sid1, FAIL, "H5Dget_space");
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ret=H5Sget_simple_extent_npoints(sid1);
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VERIFY(ret, 4, "H5Sget_simple_extent_npoints");
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/* Read from disk */
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ret=H5Dread(dset2,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,drbuf);
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CHECK(ret, FAIL, "H5Dread");
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for(tu32=(uint32 *)drbuf,i=0; i<SPACE1_DIM1; i++,tu32++)
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VERIFY(*tu32, (uint32)(i*3), "Data");
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/* Close dereferenced Dataset */
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ret = H5Dclose(dset2);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close file */
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ret = H5Fclose(fid1);
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CHECK(ret, FAIL, "H5Fclose");
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#endif /* LATER */
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/* Free memory buffers */
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free(wbuf);
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free(rbuf);
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free(dwbuf);
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free(drbuf);
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} /* test_reference_region() */
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/****************************************************************
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**
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** test_reference(): Main H5R reference testing routine.
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**
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****************************************************************/
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void
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test_reference(void)
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{
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/* Output message about test being performed */
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MESSAGE(5, ("Testing References\n"));
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/* These next tests use the same file */
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test_reference_obj(); /* Test basic H5R object reference code */
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test_reference_region(); /* Test basic H5R dataset region reference code */
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} /* test_reference() */
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/*-------------------------------------------------------------------------
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* Function: cleanup_reference
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*
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* Purpose: Cleanup temporary test files
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*
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* Return: none
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*
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* Programmer: Quincey Koziol
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* September 8, 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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void
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cleanup_reference(void)
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{
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remove(FILE);
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}
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