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hdf5/test/trefer.c
Quincey Koziol eea89e1e6c [svn-r1651] Fold in J90 changes
1999-09-24 17:35:30 -05:00

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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 FILE1 "trefer1.h5"
#define FILE2 "trefer2.h5"
/* 1-D dataset with fixed dimensions */
#define SPACE1_NAME "Space1"
#define SPACE1_RANK 1
#define SPACE1_DIM1 4
/* 2-D dataset with fixed dimensions */
#define SPACE2_NAME "Space2"
#define SPACE2_RANK 2
#define SPACE2_DIM1 10
#define SPACE2_DIM2 10
/* Element selection information */
#define POINT1_NPOINTS 10
/* Compound datatype */
typedef struct s1_t {
unsigned int a;
unsigned int b;
float c;
} s1_t;
/****************************************************************
**
** 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 */
hid_t tid1; /* Datatype 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 */
uintn *tu32; /* Temporary pointer to uint32 data */
intn i; /* counting variables */
const char *write_comment="Foo!"; /* Comments for group */
char read_comment[10];
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(MAX(sizeof(uintn),sizeof(hobj_ref_t))*SPACE1_DIM1);
rbuf=malloc(MAX(sizeof(uintn),sizeof(hobj_ref_t))*SPACE1_DIM1);
tbuf=malloc(MAX(sizeof(uintn),sizeof(hobj_ref_t))*SPACE1_DIM1);
/* Create file */
fid1 = H5Fcreate(FILE1, 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");
/* Set group's comment */
ret=H5Gset_comment(group,".",write_comment);
CHECK(ret, FAIL, "H5Gset_comment");
/* Create a dataset (inside Group1) */
dataset=H5Dcreate(group,"Dataset1",H5T_NATIVE_UINT,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
for(tu32=(uintn *)wbuf,i=0; i<SPACE1_DIM1; i++)
*tu32++=i*3;
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_NATIVE_UINT,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create another dataset (inside Group1) */
dataset=H5Dcreate(group,"Dataset2",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create a datatype to refer to */
tid1 = H5Tcreate (H5T_COMPOUND, sizeof(s1_t));
CHECK(tid1, FAIL, "H5Tcreate");
/* Insert fields */
ret=H5Tinsert (tid1, "a", HOFFSET(s1_t,a), H5T_NATIVE_INT);
CHECK(ret, FAIL, "H5Tinsert");
ret=H5Tinsert (tid1, "b", HOFFSET(s1_t,b), H5T_NATIVE_INT);
CHECK(ret, FAIL, "H5Tinsert");
ret=H5Tinsert (tid1, "c", HOFFSET(s1_t,c), H5T_NATIVE_FLOAT);
CHECK(ret, FAIL, "H5Tinsert");
/* Save datatype for later */
ret=H5Tcommit (group, "Datatype1", tid1);
CHECK(ret, FAIL, "H5Tcommit");
/* Close datatype */
ret = H5Tclose(tid1);
CHECK(ret, FAIL, "H5Tclose");
/* Close group */
ret = H5Gclose(group);
CHECK(ret, FAIL, "H5Gclose");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset3",H5T_STD_REF_OBJ,sid1,H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dcreate");
/* Create reference to dataset */
ret = H5Rcreate(&wbuf[0],fid1,"/Group1/Dataset1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rget_object_type(dataset,&wbuf[0]);
VERIFY(ret, H5G_DATASET, "H5Rget_object_type");
/* Create reference to dataset */
ret = H5Rcreate(&wbuf[1],fid1,"/Group1/Dataset2",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rget_object_type(dataset,&wbuf[1]);
VERIFY(ret, H5G_DATASET, "H5Rget_object_type");
/* Create reference to group */
ret = H5Rcreate(&wbuf[2],fid1,"/Group1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rget_object_type(dataset,&wbuf[2]);
VERIFY(ret, H5G_GROUP, "H5Rget_object_type");
/* Create reference to named datatype */
ret = H5Rcreate(&wbuf[3],fid1,"/Group1/Datatype1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rget_object_type(dataset,&wbuf[3]);
VERIFY(ret, H5G_TYPE, "H5Rget_object_type");
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_STD_REF_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(FILE1, 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_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Open dataset object */
dset2 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[0]);
CHECK(dset2, 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_NATIVE_UINT,H5S_ALL,H5S_ALL,H5P_DEFAULT,tbuf);
CHECK(ret, FAIL, "H5Dread");
for(tu32=(uintn *)tbuf,i=0; i<SPACE1_DIM1; i++,tu32++)
VERIFY(*tu32, (uint32_t)(i*3), "Data");
/* Close dereferenced Dataset */
ret = H5Dclose(dset2);
CHECK(ret, FAIL, "H5Dclose");
/* Open group object */
group = H5Rdereference(dataset,H5R_OBJECT,&rbuf[2]);
CHECK(group, FAIL, "H5Rdereference");
/* Get group's comment */
ret=H5Gget_comment(group,".",10,read_comment);
CHECK(ret, FAIL, "H5Gget_comment");
/* Check for correct comment value */
if(HDstrcmp(write_comment,read_comment)!=0) {
num_errs++;
MESSAGE(0, ("Error! Incorrect group comment, wanted: %s, got: %s",write_comment,read_comment));
}
/* Close group */
ret = H5Gclose(group);
CHECK(ret, FAIL, "H5Gclose");
/* Open datatype object */
tid1 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[3]);
CHECK(tid1, FAIL, "H5Rdereference");
/* Verify correct datatype */
{
H5T_class_t tclass;
tclass= H5Tget_class(tid1);
VERIFY(tclass, H5T_COMPOUND, "H5Tget_class");
ret= H5Tget_nmembers(tid1);
VERIFY(ret, 3, "H5Tget_nmembers");
}
/* Close datatype */
ret = H5Tclose(tid1);
CHECK(ret, FAIL, "H5Tclose");
/* 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);
free(tbuf);
} /* test_reference_obj() */
/****************************************************************
**
** test_reference_region(): Test basic H5R (reference) object reference code.
** Tests references to various kinds of objects
**
****************************************************************/
static void
test_reference_region(void)
{
hid_t fid1; /* HDF5 File IDs */
hid_t dset1, /* Dataset ID */
dset2; /* Dereferenced dataset ID */
hid_t sid1, /* Dataspace ID #1 */
sid2; /* Dataspace ID #2 */
hsize_t dims1[] = {SPACE1_DIM1},
dims2[] = {SPACE2_DIM1, SPACE2_DIM2};
hssize_t start[SPACE2_RANK]; /* Starting location of hyperslab */
hsize_t stride[SPACE2_RANK]; /* Stride of hyperslab */
hsize_t count[SPACE2_RANK]; /* Element count of hyperslab */
hsize_t block[SPACE2_RANK]; /* Block size of hyperslab */
hssize_t coord1[POINT1_NPOINTS][SPACE2_RANK]; /* Coordinates for point selection */
hsize_t * coords; /* Coordinate buffer */
hsize_t low[SPACE2_RANK]; /* Selection bounds */
hsize_t high[SPACE2_RANK]; /* Selection bounds */
hdset_reg_ref_t *wbuf, /* buffer to write to disk */
*rbuf; /* buffer read from disk */
uint8_t *dwbuf, /* Buffer for writing numeric data to disk */
*drbuf; /* Buffer for reading numeric data from disk */
uint8_t *tu8; /* Temporary pointer to uint8 data */
intn i; /* counting variables */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Dataset Region Reference Functions\n"));
/* Allocate write & read buffers */
wbuf=calloc(sizeof(hdset_reg_ref_t), SPACE1_DIM1);
rbuf=malloc(sizeof(hdset_reg_ref_t)*SPACE1_DIM1);
dwbuf=malloc(sizeof(uint8_t)*SPACE2_DIM1*SPACE2_DIM2);
drbuf=calloc(sizeof(uint8_t),SPACE2_DIM1*SPACE2_DIM2);
/* Create file */
fid1 = H5Fcreate(FILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL);
CHECK(sid2, FAIL, "H5Screate_simple");
/* Create a dataset */
dset2=H5Dcreate(fid1,"Dataset2",H5T_STD_U8LE,sid2,H5P_DEFAULT);
CHECK(dset2, FAIL, "H5Dcreate");
for(tu8=dwbuf,i=0; i<SPACE2_DIM1*SPACE2_DIM2; i++)
*tu8++=i*3;
/* Write selection to disk */
ret=H5Dwrite(dset2,H5T_STD_U8LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,dwbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close Dataset */
ret = H5Dclose(dset2);
CHECK(ret, FAIL, "H5Dclose");
/* Create dataspace for the reference dataset */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a dataset */
dset1=H5Dcreate(fid1,"Dataset1",H5T_STD_REF_DSETREG,sid1,H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dcreate");
/* Create references */
/* Select 6x6 hyperslab for first reference */
start[0]=2; start[1]=2;
stride[0]=1; stride[1]=1;
count[0]=6; count[1]=6;
block[0]=1; block[1]=1;
ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
CHECK(ret, FAIL, "H5Sselect_hyperslab");
ret = H5Sget_select_npoints(sid2);
VERIFY(ret, 36, "H5Sget_select_npoints");
/* Store first dataset region */
ret = H5Rcreate(&wbuf[0],fid1,"/Dataset2",H5R_DATASET_REGION,sid2);
CHECK(ret, FAIL, "H5Rcreate");
/* Select sequence of ten points for second reference */
coord1[0][0]=6; coord1[0][1]=9;
coord1[1][0]=2; coord1[1][1]=2;
coord1[2][0]=8; coord1[2][1]=4;
coord1[3][0]=1; coord1[3][1]=6;
coord1[4][0]=2; coord1[4][1]=8;
coord1[5][0]=3; coord1[5][1]=2;
coord1[6][0]=0; coord1[6][1]=4;
coord1[7][0]=9; coord1[7][1]=0;
coord1[8][0]=7; coord1[8][1]=1;
coord1[9][0]=3; coord1[9][1]=3;
ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord1);
CHECK(ret, FAIL, "H5Sselect_elements");
ret = H5Sget_select_npoints(sid2);
VERIFY(ret, 10, "H5Sget_select_npoints");
/* Store second dataset region */
ret = H5Rcreate(&wbuf[1],fid1,"/Dataset2",H5R_DATASET_REGION,sid2);
CHECK(ret, FAIL, "H5Rcreate");
/* Write selection to disk */
ret=H5Dwrite(dset1,H5T_STD_REF_DSETREG,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(dset1);
CHECK(ret, FAIL, "H5Dclose");
/* Close uint8 dataset dataspace */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Re-open the file */
fid1 = H5Fopen(FILE2, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fopen");
/* Open the dataset */
dset1=H5Dopen(fid1,"/Dataset1");
CHECK(dset1, FAIL, "H5Dopen");
/* Read selection from disk */
ret=H5Dread(dset1,H5T_STD_REF_DSETREG,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Try to open objects */
dset2 = H5Rdereference(dset1,H5R_DATASET_REGION,&rbuf[0]);
CHECK(dset2, FAIL, "H5Rdereference");
/* Check information in referenced dataset */
sid1 = H5Dget_space(dset2);
CHECK(sid1, FAIL, "H5Dget_space");
ret=H5Sget_simple_extent_npoints(sid1);
VERIFY(ret, 100, "H5Sget_simple_extent_npoints");
/* Read from disk */
ret=H5Dread(dset2,H5T_STD_U8LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,drbuf);
CHECK(ret, FAIL, "H5Dread");
for(tu8=(uint8_t *)drbuf,i=0; i<SPACE2_DIM1*SPACE2_DIM2; i++,tu8++)
VERIFY(*tu8, (uint8_t)(i*3), "Data");
/* Get the hyperslab selection */
sid2=H5Rget_region(dset1,H5R_DATASET_REGION,&rbuf[0]);
CHECK(sid2, FAIL, "H5Rget_region");
/* Verify correct hyperslab selected */
ret = H5Sget_select_npoints(sid2);
VERIFY(ret, 36, "H5Sget_select_npoints");
ret = H5Sget_select_hyper_nblocks(sid2);
VERIFY(ret, 1, "H5Sget_select_hyper_nblocks");
coords=HDmalloc(ret*SPACE2_RANK*sizeof(hsize_t)*2); /* allocate space for the hyperslab blocks */
ret = H5Sget_select_hyper_blocklist(sid2,0,ret,coords);
CHECK(ret, FAIL, "H5Sget_select_hyper_blocklist");
VERIFY(coords[0], 2, "Hyperslab Coordinates");
VERIFY(coords[1], 2, "Hyperslab Coordinates");
VERIFY(coords[2], 7, "Hyperslab Coordinates");
VERIFY(coords[3], 7, "Hyperslab Coordinates");
HDfree(coords);
ret = H5Sget_select_bounds(sid2,low,high);
CHECK(ret, FAIL, "H5Sget_select_bounds");
VERIFY(low[0], 2, "Selection Bounds");
VERIFY(low[1], 2, "Selection Bounds");
VERIFY(high[0], 7, "Selection Bounds");
VERIFY(high[1], 7, "Selection Bounds");
/* Close region space */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Get the element selection */
sid2=H5Rget_region(dset1,H5R_DATASET_REGION,&rbuf[1]);
CHECK(sid2, FAIL, "H5Rget_region");
/* Verify correct elements selected */
ret = H5Sget_select_npoints(sid2);
VERIFY(ret, 10, "H5Sget_select_npoints");
ret = H5Sget_select_elem_npoints(sid2);
VERIFY(ret, 10, "H5Sget_select_elem_npoints");
coords=HDmalloc(ret*SPACE2_RANK*sizeof(hsize_t)); /* allocate space for the element points */
ret = H5Sget_select_elem_pointlist(sid2,0,ret,coords);
CHECK(ret, FAIL, "H5Sget_select_elem_pointlist");
VERIFY((hssize_t)coords[0], coord1[0][0], "Element Coordinates");
VERIFY((hssize_t)coords[1], coord1[0][1], "Element Coordinates");
VERIFY((hssize_t)coords[2], coord1[1][0], "Element Coordinates");
VERIFY((hssize_t)coords[3], coord1[1][1], "Element Coordinates");
VERIFY((hssize_t)coords[4], coord1[2][0], "Element Coordinates");
VERIFY((hssize_t)coords[5], coord1[2][1], "Element Coordinates");
VERIFY((hssize_t)coords[6], coord1[3][0], "Element Coordinates");
VERIFY((hssize_t)coords[7], coord1[3][1], "Element Coordinates");
VERIFY((hssize_t)coords[8], coord1[4][0], "Element Coordinates");
VERIFY((hssize_t)coords[9], coord1[4][1], "Element Coordinates");
VERIFY((hssize_t)coords[10], coord1[5][0], "Element Coordinates");
VERIFY((hssize_t)coords[11], coord1[5][1], "Element Coordinates");
VERIFY((hssize_t)coords[12], coord1[6][0], "Element Coordinates");
VERIFY((hssize_t)coords[13], coord1[6][1], "Element Coordinates");
VERIFY((hssize_t)coords[14], coord1[7][0], "Element Coordinates");
VERIFY((hssize_t)coords[15], coord1[7][1], "Element Coordinates");
VERIFY((hssize_t)coords[16], coord1[8][0], "Element Coordinates");
VERIFY((hssize_t)coords[17], coord1[8][1], "Element Coordinates");
VERIFY((hssize_t)coords[18], coord1[9][0], "Element Coordinates");
VERIFY((hssize_t)coords[19], coord1[9][1], "Element Coordinates");
HDfree(coords);
ret = H5Sget_select_bounds(sid2,low,high);
CHECK(ret, FAIL, "H5Sget_select_bounds");
VERIFY(low[0], 0, "Selection Bounds");
VERIFY(low[1], 0, "Selection Bounds");
VERIFY(high[0], 9, "Selection Bounds");
VERIFY(high[1], 9, "Selection Bounds");
/* Close region space */
ret = H5Sclose(sid2);
CHECK(ret, FAIL, "H5Sclose");
/* Close first space */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close dereferenced Dataset */
ret = H5Dclose(dset2);
CHECK(ret, FAIL, "H5Dclose");
/* Close Dataset */
ret = H5Dclose(dset1);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Free memory buffers */
free(wbuf);
free(rbuf);
free(dwbuf);
free(drbuf);
} /* test_reference_region() */
/****************************************************************
**
** 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_region(); /* Test basic H5R dataset region 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(FILE1);
remove(FILE2);
}
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