mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-27 08:49:16 +08:00
95 lines
3.0 KiB
C
95 lines
3.0 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 for a bug that Russ found testing fill values.
|
|
|
|
$Id: tst_fillbug.c,v 1.2 2008/10/03 16:03:24 ed Exp $
|
|
*/
|
|
|
|
#include <nc_tests.h>
|
|
#include "err_macros.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <netcdf.h>
|
|
|
|
#define FILENAME "tst_fillbug.nc"
|
|
#define RANK_Time 1
|
|
#define RANK_P 3
|
|
#define LEN 4
|
|
|
|
int
|
|
main()
|
|
{
|
|
int ncid, dimids[RANK_P], time_id, p_id;
|
|
int ndims, dimids_in[RANK_P];
|
|
|
|
double data[1] = {3.14159};
|
|
size_t start[1] = {0}, count[1] = {1};
|
|
static float P_data[LEN];
|
|
size_t cor[RANK_P] = {0, 1, 0};
|
|
size_t edg[RANK_P] = {1, 1, LEN};
|
|
int i;
|
|
|
|
printf("\n*** Testing for a netCDF-4 fill-value bug.\n");
|
|
printf("*** Testing fill-values...");
|
|
|
|
/* Create a 3D test file. */
|
|
if (nc_create(FILENAME, NC_CLOBBER|NC_NETCDF4, &ncid)) ERR;
|
|
|
|
/* define dimensions */
|
|
if (nc_def_dim(ncid, "Time", NC_UNLIMITED, &dimids[0])) ERR;
|
|
if (nc_def_dim(ncid, "X", 4, &dimids[2])) ERR;
|
|
if (nc_def_dim(ncid, "Y", 3, &dimids[1])) ERR;
|
|
|
|
/* define variables */
|
|
if (nc_def_var(ncid, "Time", NC_DOUBLE, 1, dimids, &time_id)) ERR;
|
|
if (nc_def_var(ncid, "P", NC_FLOAT, RANK_P, dimids, &p_id)) ERR;
|
|
|
|
/* Add one record in coordinate variable. */
|
|
if (nc_put_vara(ncid, time_id, start, count, data)) ERR;
|
|
|
|
/* The other variable should show an increase in size, since it
|
|
* uses the unlimited dimension. */
|
|
if (nc_inq_var(ncid, 1, NULL, NULL, &ndims, dimids_in, NULL)) ERR;
|
|
if (ndims != 3 || dimids_in[0] != 0 || dimids_in[1] != 2 || dimids_in[2] != 1) ERR;
|
|
|
|
/* Also test for fix of another bug, allowing invalid _FillValue
|
|
* attribute (not of same type as variable or with 0 values or more
|
|
* than 1 value) to be created. */
|
|
{
|
|
static const float p_FillValue_atts[] = {NC_FILL_FLOAT, -99} ;
|
|
int p_FillValue_att = -99 ;
|
|
/* This should returns error, too many attribute vals */
|
|
if (nc_put_att_float(ncid, p_id, "_FillValue", NC_FLOAT, 2, p_FillValue_atts) != NC_EINVAL) ERR;
|
|
/* This also should return error, wrong type */
|
|
if (nc_put_att_int(ncid, p_id, "_FillValue", NC_INT, 1, &p_FillValue_att) != NC_EBADTYPE) ERR;
|
|
/* This should succeed, _FillValue is valid */
|
|
if (nc_put_att_float(ncid, p_id, "_FillValue", NC_FLOAT, 1, p_FillValue_atts)) ERR;
|
|
}
|
|
|
|
/* Read the record of non-existent data. */
|
|
if (nc_get_vara(ncid, 1, cor, edg, P_data)) ERR;
|
|
for (i = 0; i < LEN; i++)
|
|
if (P_data[i] != NC_FILL_FLOAT) ERR;
|
|
|
|
/* That's it! */
|
|
if (nc_close(ncid)) ERR;
|
|
|
|
/* Reopen the file and read the second slice. */
|
|
if (nc_open(FILENAME, NC_NOWRITE, &ncid)) ERR;
|
|
|
|
if (nc_inq_var(ncid, 1, NULL, NULL, &ndims, dimids_in, NULL)) ERR;
|
|
if (ndims != 3 || dimids_in[0] != 0 || dimids_in[1] != 2 || dimids_in[2] != 1) ERR;
|
|
if (nc_get_vara(ncid, 1, cor, edg, P_data)) ERR;
|
|
for (i = 0; i < LEN; i++)
|
|
if (P_data[i] != NC_FILL_FLOAT) ERR;
|
|
|
|
if (nc_close(ncid)) ERR;
|
|
|
|
SUMMARIZE_ERR;
|
|
|
|
FINAL_RESULTS;
|
|
return 0;
|
|
}
|