netcdf-c/ncdump/tst_opaque_data.c
2024-01-15 15:46:13 +00:00

104 lines
3.2 KiB
C

/* This is part of the netCDF package. Copyright 2018 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use. See www.unidata.ucar.edu for more info.
Create a test file with an opaque type and opaque data for ncdump to read.
$Id: tst_opaque_data.c,v 1.7 2009/01/28 18:19:49 russ Exp $
*/
#include "config.h"
#include <nc_tests.h>
#include "err_macros.h"
#include <netcdf.h>
#define FILE3_NAME "tst_opaque_data.nc"
#define TYPE3_NAME "raw_obs_t"
#define TYPE3_SIZE 11
#define DIM3_NAME "time"
#define DIM3_LEN 5
#define VAR3_NAME "raw_obs"
#define VAR3_RANK 1
#define ATT3_NAME "_FillValue"
#define ATT3_LEN 1
int
main(int argc, char **argv)
{
int ncid;
int dimid, varid;
nc_type typeid;
char name_in[NC_MAX_NAME+1];
int class_in;
size_t size_in;
int var_dims[VAR3_RANK];
unsigned char sensor_data[DIM3_LEN][TYPE3_SIZE] = {
{1,2,3,4,5,6,7,8,9,10,11},
{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa},
{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
{0xca, 0xfe, 0xba, 0xbe, 0xca, 0xfe, 0xba, 0xbe, 0xca, 0xfe, 0xba},
{0xcf, 0x0d, 0xef, 0xac, 0xed, 0x0c, 0xaf, 0xe0, 0xfa, 0xca, 0xde}
};
unsigned char missing_val[TYPE3_SIZE] = {
0xca, 0xfe, 0xba, 0xbe, 0xca, 0xfe, 0xba, 0xbe, 0xca, 0xfe, 0xba
};
unsigned char val_in[TYPE3_SIZE];
printf("\n*** Testing opaque types.\n");
printf("*** creating opaque test file %s...", FILE3_NAME);
if (nc_create(FILE3_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR;
/* Create an opaque type. */
if (nc_def_opaque(ncid, TYPE3_SIZE, TYPE3_NAME, &typeid)) ERR;
/* Declare a time dimension */
if (nc_def_dim(ncid, DIM3_NAME, DIM3_LEN, &dimid)) ERR;
/* Declare a variable of the opaque type */
var_dims[0] = dimid;
if (nc_def_var(ncid, VAR3_NAME, typeid, VAR3_RANK, var_dims, &varid)) ERR;
/* Create and write a variable attribute of the opaque type */
if (nc_put_att(ncid, varid, ATT3_NAME, typeid, ATT3_LEN, missing_val)) ERR;
if (nc_enddef(ncid)) ERR;
/* Store some data of the opaque type */
if(nc_put_var(ncid, varid, sensor_data)) ERR;
/* Write the file. */
if (nc_close(ncid)) ERR;
/* Check it out. */
/* Reopen the file. */
if (nc_open(FILE3_NAME, NC_NOWRITE, &ncid)) ERR;
/* Get info with the generic inquire for user-defined types */
if (nc_inq_user_type(ncid, typeid, name_in, &size_in, NULL,
NULL, &class_in)) ERR;
if (strcmp(name_in, TYPE3_NAME) ||
size_in != TYPE3_SIZE ||
class_in != NC_OPAQUE) ERR;
/* Get the same info with the opaque-specific inquire function */
if (nc_inq_opaque(ncid, typeid, name_in, &size_in)) ERR;
if (strcmp(name_in, TYPE3_NAME) ||
size_in != TYPE3_SIZE) ERR;
if (nc_inq_varid(ncid, VAR3_NAME, &varid)) ERR;
if (nc_get_att(ncid, varid, ATT3_NAME, &val_in)) ERR;
if (memcmp(val_in, missing_val, TYPE3_SIZE) != 0) ERR;
for (size_t i = 0; i < DIM3_LEN; i++) {
size_t index[VAR3_RANK];
index[0] = i;
if(nc_get_var1(ncid, varid, index, val_in)) ERR;
if (memcmp(val_in, sensor_data[i], TYPE3_SIZE) != 0) ERR;
}
if (nc_close(ncid)) ERR;
SUMMARIZE_ERR;
FINAL_RESULTS;
}