mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-27 07:30:33 +08:00
61 lines
1.9 KiB
C
61 lines
1.9 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 large file fill values.
|
|
|
|
Ed Hartnett.
|
|
*/
|
|
|
|
#include <nc_tests.h>
|
|
#include "err_macros.h"
|
|
#include "netcdf.h"
|
|
#include "ncdispatch.h"
|
|
|
|
#define FILE_NAME "tst_large.nc"
|
|
#define NUMDIMS 2 /* rank of each variable in tests */
|
|
#define DIM1 2048
|
|
#define DIM2 2097153 /* DIM1*DIM2*sizeof(char) > 2**32 */
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
|
|
printf("\n*** Testing netcdf-4 large files.\n");
|
|
printf("**** testing simple fill value attribute creation...");
|
|
{
|
|
int ncid, varid, dimids[NUMDIMS];
|
|
size_t index[NUMDIMS] = {0, 0};
|
|
signed char vals[DIM2];
|
|
signed char char_val_in;
|
|
size_t start[NUMDIMS] = {0, 0}, count[NUMDIMS] = {1, DIM2};
|
|
int j;
|
|
|
|
/* Create phony data. */
|
|
for (j = 0; j < DIM2; j++)
|
|
vals[j] = 9 * (j + 11); /* note vals[j] is 99 when j==0 */
|
|
|
|
/* Create file with 2 dims and one var. */
|
|
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
|
|
if (nc_set_fill(ncid, NC_NOFILL, NULL)) ERR;
|
|
if (nc_def_dim(ncid, "dim1", DIM1, &dimids[0])) ERR;
|
|
if (nc_def_dim(ncid, "dim2", DIM2, &dimids[1])) ERR;
|
|
if (nc_def_var(ncid, "var", NC_BYTE, NUMDIMS, dimids, &varid)) ERR;
|
|
if (nc_enddef(ncid)) ERR;
|
|
|
|
/* Write one slice, then close. */
|
|
if (nc_put_vara_schar(ncid, varid, start, count, vals)) ERR;
|
|
if (nc_close(ncid)) ERR;
|
|
|
|
/* Reopen and read a value. */
|
|
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
|
|
if (nc_inq_varid(ncid, "var", &varid)) ERR;
|
|
if (nc_get_var1_schar(ncid, varid, index, &char_val_in)) ERR;
|
|
if (char_val_in != 99) /* see above, the value written when start[0]==0, j==0 */
|
|
ERR;
|
|
if (nc_close(ncid)) ERR;
|
|
}
|
|
SUMMARIZE_ERR;
|
|
FINAL_RESULTS;
|
|
}
|