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netcdf-c/ncdump/tst_enum_data.c

144 lines
4.2 KiB
C

/* This is part of the netCDF package. Copyright 2005 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 enum type and enum data for ncdump to read.
$Id: tst_enum_data.c,v 1.8 2008/10/20 01:48:08 ed Exp $
*/
#include <nc_tests.h>
#include "err_macros.h"
#include <netcdf.h>
#define FILE2_NAME "tst_enum_data.nc"
#define TYPE2_NAME "cloud_class_t"
#define DIM2_NAME "station"
#define DIM2_LEN 5
#define VAR2_NAME "primary_cloud"
#define VAR2_RANK 1
#define ATT2_NAME "_FillValue"
#define ATT2_LEN 1
int
main(int argc, char **argv)
{
int ncid;
int dimid, varid;
nc_type typeid;
int num_members;
char name_in[NC_MAX_NAME+1];
nc_type base_nc_type_in;
size_t nfields_in, base_size_in, num_members_in;
int class_in;
unsigned char value_in;
int i;
enum clouds { /* a C enumeration */
CLEAR=0,
CUMULONIMBUS=1,
STRATUS=2,
STRATOCUMULUS=3,
CUMULUS=4,
ALTOSTRATUS=5,
NIMBOSTRATUS=6,
ALTOCUMULUS=7,
CIRROSTRATUS=8,
CIRROCUMULUS=9,
CIRRUS=10,
MISSING=255};
struct {
char *name;
unsigned char value;
} cloud_types[] = {
{"Clear", CLEAR},
{"Cumulonimbus", CUMULONIMBUS},
{"Stratus", STRATUS},
{"Stratocumulus", STRATOCUMULUS},
{"Cumulus", CUMULUS},
{"Altostratus", ALTOSTRATUS},
{"Nimbostratus", NIMBOSTRATUS},
{"Altocumulus", ALTOCUMULUS},
{"Cirrostratus", CIRROSTRATUS},
{"Cirrocumulus", CIRROCUMULUS},
{"Cirrus", CIRRUS},
{"Missing", MISSING}
};
int var_dims[VAR2_RANK];
unsigned char att_val;
unsigned char cloud_data[DIM2_LEN] = {
CLEAR, STRATUS, CLEAR, CUMULONIMBUS, MISSING};
unsigned char cloud_data_in[DIM2_LEN];
printf("\n*** Testing enums.\n");
printf("*** creating enum test file %s...", FILE2_NAME);
/*nc_set_log_level(3);*/
if (nc_create(FILE2_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR;
/* Create an enum type. */
if (nc_def_enum(ncid, NC_UBYTE, TYPE2_NAME, &typeid)) ERR;
num_members = (sizeof cloud_types) / (sizeof cloud_types[0]);
for (i = 0; i < num_members; i++) {
if (nc_insert_enum(ncid, typeid, cloud_types[i].name,
&cloud_types[i].value))
ERR;
}
/* Declare a station dimension */
if (nc_def_dim(ncid, DIM2_NAME, DIM2_LEN, &dimid)) ERR;
/* Declare a variable of the enum type */
var_dims[0] = dimid;
if (nc_def_var(ncid, VAR2_NAME, typeid, VAR2_RANK, var_dims, &varid)) ERR;
/* Create and write a variable attribute of the enum type */
att_val = MISSING;
if (nc_put_att(ncid, varid, ATT2_NAME, typeid, ATT2_LEN, &att_val)) ERR;
if (nc_enddef(ncid)) ERR;
/* Store some data of the enum type */
if(nc_put_var(ncid, varid, cloud_data)) ERR;
/* Write the file. */
if (nc_close(ncid)) ERR;
/* Check it out. */
/* Reopen the file. */
if (nc_open(FILE2_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_user_type(ncid, typeid, name_in, &base_size_in, &base_nc_type_in,
&nfields_in, &class_in)) ERR;
if (strcmp(name_in, TYPE2_NAME) ||
base_size_in != sizeof(unsigned char) ||
base_nc_type_in != NC_UBYTE ||
nfields_in != num_members ||
class_in != NC_ENUM) ERR;
if (nc_inq_enum(ncid, typeid, name_in,
&base_nc_type_in, &base_size_in, &num_members_in)) ERR;
if (strcmp(name_in, TYPE2_NAME) ||
base_nc_type_in != NC_UBYTE ||
num_members_in != num_members) ERR;
for (i = 0; i < num_members; i++)
{
if (nc_inq_enum_member(ncid, typeid, i, name_in, &value_in)) ERR;
if (strcmp(name_in, cloud_types[i].name) ||
value_in != cloud_types[i].value) ERR;
if (nc_inq_enum_ident(ncid, typeid, cloud_types[i].value,
name_in)) ERR;
if (strcmp(name_in, cloud_types[i].name)) ERR;
}
if (nc_inq_varid(ncid, VAR2_NAME, &varid)) ERR;
if (nc_get_att(ncid, varid, ATT2_NAME, &value_in)) ERR;
if (value_in != MISSING) ERR;
if(nc_get_var(ncid, varid, cloud_data_in)) ERR;
for (i = 0; i < DIM2_LEN; i++) {
if (cloud_data_in[i] != cloud_data[i]) ERR;
}
if (nc_close(ncid)) ERR;
SUMMARIZE_ERR;
FINAL_RESULTS;
}