netcdf-c/nc_test4/tst_files4.c
2018-12-06 15:27:32 -07:00

125 lines
3.7 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 netcdf-4 file from user-reported error. This code based on an
ncgen output.
$Id: tst_files4.c,v 1.4 2010/05/18 12:30:05 ed Exp $
*/
#include <config.h>
#include <stdio.h>
#include <nc_tests.h>
#include "err_macros.h"
#include "netcdf.h"
#include <string.h>
#define FILE_NAME "tst_files4.nc"
#define SNAPSHOT_LEN NC_UNLIMITED
#define AXIS_LEN 3
#define PARTICLE_LEN 256
#define SLICE_LEN 2
#define NDIMS1 1
#define NDIMS4 4
#define CLASSICAL "classical"
int
main() {/* create data.nc */
int ncid;
int classical_grp;
/* dimension ids */
int snapshot_dim;
int axis_dim;
int particle_dim;
int slice_dim;
size_t snapshot_len = SNAPSHOT_LEN;
size_t axis_len = AXIS_LEN;
size_t particle_len = PARTICLE_LEN;
size_t slice_len = SLICE_LEN;
int snapshot_id;
int position_id;
int axis_id;
printf("\n*** Testing NetCDF-4 with user-supplied sample file.\n");
printf("*** testing creation of sample file...");
{
double data[SLICE_LEN * PARTICLE_LEN * AXIS_LEN];
size_t start[4] = {0, 0, 0, 0};
size_t count[4] = {1, SLICE_LEN, PARTICLE_LEN, AXIS_LEN};
int dimids[NDIMS4], grpid;
int ndims_in, nvars_in, natts_in, ngrps_in;
int unlimdimid;
char name_in[NC_MAX_NAME + 1];
int i;
/* Sample data. */
for (i = 0; i < SLICE_LEN * PARTICLE_LEN * AXIS_LEN; i++)
data[i] = 42.42;
if (nc_create(FILE_NAME, NC_CLOBBER|NC_NETCDF4, &ncid)) ERR;
if (nc_def_grp(ncid, CLASSICAL, &classical_grp)) ERR;
/* define dimensions */
if (nc_def_dim(classical_grp, "snapshot", snapshot_len, &snapshot_dim)) ERR;
if (nc_def_dim(classical_grp, "axis", axis_len, &axis_dim)) ERR;
if (nc_def_dim(classical_grp, "particle", particle_len, &particle_dim)) ERR;
if (nc_def_dim(classical_grp, "slice", slice_len, &slice_dim)) ERR;
dimids[0] = snapshot_dim;
dimids[1] = slice_dim;
dimids[2] = particle_dim;
dimids[3] = axis_dim;
if (nc_def_var(classical_grp, "position", NC_DOUBLE, NDIMS4,
dimids, &position_id)) ERR;
/* First write some position data. */
if (nc_put_vara_double(classical_grp, position_id,
start, count, data)) ERR;
/* Now define some coordinate variables. */
if (nc_def_var(classical_grp, "snapshot", NC_INT, NDIMS1,
&snapshot_dim, &snapshot_id)) ERR;
if (nc_def_var(classical_grp, "axis", NC_CHAR, NDIMS1,
&axis_dim, &axis_id)) ERR;
/* Check some stuff. */
if (nc_inq(ncid, &ndims_in, &nvars_in, &natts_in, &unlimdimid)) ERR;
if (ndims_in != 0 || nvars_in != 0 || natts_in != 0 || unlimdimid != -1) ERR;
if (nc_inq_grps(ncid, &ngrps_in, &grpid)) ERR;
if (ngrps_in != 1) ERR;
if (nc_inq_grpname(grpid, name_in)) ERR;
if (strcmp(name_in, CLASSICAL)) ERR;
if (nc_inq(classical_grp, &ndims_in, &nvars_in, &natts_in, &unlimdimid)) ERR;
if (ndims_in != 4 || nvars_in != 3 || natts_in != 0 || unlimdimid != 0) ERR;
if (nc_close(ncid)) ERR;
if (nc_open(FILE_NAME, 0, &ncid)) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing opening of many files...");
{
int i, ncid;
for (i = 0; i < 32768; i++)
{
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR_RET;
if (nc_close(ncid)) ERR_RET;
}
if (nc_create(FILE_NAME, 0, &ncid)) ERR_RET;
if (nc_def_var(ncid, "blah", NC_CHAR, 0, NULL, NULL)) ERR;
if (nc_close(ncid)) ERR_RET;
/*printf("last ncid: %d\n", ncid);*/
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}