netcdf-c/h5_test/tst_h_files2.c
2021-04-28 13:59:24 -06:00

65 lines
2.0 KiB
C

/* This is part of the netCDF package.
Copyright 2018 University Corporation for Atmospheric Research/Unidata
See COPYRIGHT file for conditions of use.
Test HDF5 file code. These are not intended to be exhaustive tests,
but they use HDF5 the same way that netCDF-4 does, so if these
tests don't work, than netCDF-4 won't work either.
*/
#include "h5_err_macros.h"
#include <hdf5.h>
#include <H5DSpublic.h>
#define FILE_NAME "tst_h_files2.h5"
int
main()
{
printf("\n*** Checking HDF5 file functions some more.\n");
printf("*** Checking opaque attribute creation...");
#define OPAQUE_SIZE 20
#define OPAQUE_NAME "type"
#define ATT_NAME "att_name"
#define DIM_LEN 3
{
hid_t fileid, access_plist, typeid, spaceid, attid;
hsize_t dims[1]; /* netcdf attributes always 1-D. */
unsigned char data[DIM_LEN][OPAQUE_SIZE];
int j, k;
/* Initialize some data. */
for (j = 0; j < DIM_LEN; j++)
for (k = 0; k < OPAQUE_SIZE; k++)
data[j][k] = 42;
/* Set the access list so that closes will fail if something is
* still open in the file. */
if ((access_plist = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
if (H5Pset_fclose_degree(access_plist, H5F_CLOSE_SEMI)) ERR;
/* Create file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
access_plist)) < 0) ERR;
/* Add an opaque type. */
if ((typeid = H5Tcreate(H5T_OPAQUE, OPAQUE_SIZE)) < 0) ERR;
if (H5Tcommit1(fileid, OPAQUE_NAME, typeid) < 0) ERR;
/* Add attribute of this type. */
dims[0] = 3;
if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
if ((attid = H5Acreate1(fileid, ATT_NAME, typeid, spaceid, H5P_DEFAULT)) < 0) ERR;
if (H5Awrite(attid, typeid, data) < 0) ERR;
if (H5Aclose(attid) < 0) ERR;
if (H5Sclose(spaceid) < 0) ERR;
if (H5Tclose(typeid) < 0) ERR;
if (H5Fclose(fileid) < 0) ERR;
if (H5Pclose(access_plist) < 0) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}