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tst_diskless3.c
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tst_diskless3.c
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/* 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.
Test small files.
$Id: tst_small.c,v 1.15 2008/10/20 01:48:08 ed Exp $
*/
#include <nc_tests.h>
#include "err_macros.h"
#include <netcdf.h>
/* Derived from tst_small.c */
/* Test everything for classic using in-memory files */
#define NCFILENAME "tst_diskless3.nc"
#define ATT_NAME "Atom"
#define MAX_LEN 7
#define VAR_NAME2 "var2"
#define NUM_VARS 2
#define ONE_DIM 1
#define MAX_RECS 10
#define DIM1_NAME "Time"
#define DIM2_NAME "DataStrLen"
#define VAR_NAME "Times"
#define STR_LEN 19
#define NUM_VALS 2
#define NDIMS 2
#define TITLE " OUTPUT FROM WRF V2.0.3.1 MODEL"
#define ATT_NAME2 "TITLE"
static int status = NC_NOERR;
/* Control flags */
static int persist, usenetcdf4, mmap, diskless;
static int diskmode;
/* Test a diskless file with two record vars, which grow, and has
* attributes added. */
static int
test_two_growing_with_att(const char *testfile)
{
int ncid, dimid, varid[NUM_VARS];
char data[MAX_RECS], data_in;
char att_name[NC_MAX_NAME + 1];
size_t start[ONE_DIM], count[ONE_DIM], index[ONE_DIM], len_in;
int v, r;
/* Create a file with one ulimited dimensions, and one var. */
if((status=nc_create(testfile, NC_CLOBBER, &ncid))) ERRSTAT(status);
if((status=nc_def_dim(ncid, DIM1_NAME, NC_UNLIMITED, &dimid))) ERRSTAT(status);
if((status=nc_def_var(ncid, VAR_NAME, NC_CHAR, 1, &dimid, &varid[0]))) ERRSTAT(status);
if((status=nc_def_var(ncid, VAR_NAME2, NC_CHAR, 1, &dimid, &varid[1]))) ERRSTAT(status);
if((status=nc_close(ncid))) ERRSTAT(status);
/* Create some phoney data. */
for (data[0] = 'a', r = 1; r < MAX_RECS; r++)
data[r] = data[r - 1] + 1;
/* Normally one would not close and reopen the file for each
* record, nor add an attribute each time I add a record, but I am
* giving the library a little work-out here... */
for (r = 0; r < MAX_RECS; r++)
{
/* Write one record of var data, a single character. */
if((status=nc_open(testfile, NC_WRITE, &ncid))) ERRSTAT(status);
count[0] = 1;
start[0] = r;
sprintf(att_name, "a_%d", data[r]);
for (v = 0; v < NUM_VARS; v++)
{
if((status=nc_put_vara_text(ncid, varid[v], start, count, &data[r]))) ERRSTAT(status);
if((status=nc_redef(ncid))) ERRSTAT(status);
if((status=nc_put_att_text(ncid, varid[v], att_name, 1, &data[r]))) ERRSTAT(status);
if((status=nc_enddef(ncid))) ERRSTAT(status);
}
if((status=nc_close(ncid))) ERRSTAT(status);
/* Reopen the file and check it. */
if((status=nc_open(testfile, diskmode|NC_WRITE, &ncid))) ERRSTAT(status);
if((status=nc_inq_dimlen(ncid, 0, &len_in))) ERRSTAT(status);
if (len_in != r + 1) ERR;
index[0] = r;
for (v = 0; v < NUM_VARS; v++)
{
if((status=nc_get_var1_text(ncid, varid[v], index, &data_in))) ERRSTAT(status);
if (data_in != data[r]) ERR;
}
if((status=nc_close(ncid))) ERRSTAT(status);
} /* Next record. */
return 0;
}
#if 0
/* Test a diskless file with one var and one att. */
static int
test_one_with_att(const char *testfile)
{
int ncid, dimid, varid;
char data = 'h', data_in;
int ndims, nvars, natts, unlimdimid;
size_t start[NDIMS], count[NDIMS];
/* Create a file with one ulimited dimensions, and one var. */
if((status=nc_create(testfile, NC_CLOBBER, &ncid))) ERRSTAT(status);
if((status=nc_def_dim(ncid, DIM1_NAME, NC_UNLIMITED, &dimid))) ERRSTAT(status);
if((status=nc_def_var(ncid, VAR_NAME, NC_CHAR, 1, &dimid, &varid))) ERRSTAT(status);
if((status=nc_put_att_text(ncid, NC_GLOBAL, ATT_NAME, 1, &data))) ERRSTAT(status);
if((status=nc_enddef(ncid))) ERRSTAT(status);
/* Write one record of var data, a single character. */
count[0] = 1;
start[0] = 0;
if((status=nc_put_vara_text(ncid, varid, start, count, &data))) ERRSTAT(status);
/* We're done! */
if((status=nc_close(ncid))) ERRSTAT(status);
/* Reopen the file and check it. */
if((status=nc_open(testfile, diskmode|NC_WRITE, &ncid))) ERRSTAT(status);
if((status=nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid))) ERRSTAT(status);
if (ndims != 1 && nvars != 1 && natts != 0 && unlimdimid != 0) ERRSTAT(status);
if((status=nc_get_var_text(ncid, varid, &data_in))) ERRSTAT(status);
if (data_in != data) ERRSTAT(status);
if((status=nc_get_att_text(ncid, NC_GLOBAL, ATT_NAME, &data_in))) ERRSTAT(status);
if (data_in != data) ERRSTAT(status);
if((status=nc_close(ncid))) ERRSTAT(status);
return 0;
}
#endif
int
main(int argc, char **argv)
{
int i;
/* Set defaults */
persist = 0;
usenetcdf4 = 0;
mmap = 0;
diskless = 0;
diskmode = 0;
for(i=1;i<argc;i++) {
if(strcmp(argv[i],"diskless")==0) diskless=1;
else if(strcmp(argv[i],"mmap")==0) mmap=1;
/* ignore anything not recognized */
}
if(diskless)
diskmode |= NC_DISKLESS;
if(diskless && mmap)
diskmode |= NC_MMAP;
printf("\n*** Testing diskless file: create/modify %s",
diskless?"in-memory":"in-file");
if(diskless && mmap)
printf("+mmap");
printf(" %s\n",NCFILENAME);
/* case NC_FORMAT_CLASSIC: only test this format */
nc_set_default_format(NC_FORMAT_CLASSIC, NULL);
printf("*** testing diskless file with two growing record "
"variables, with attributes added...");
test_two_growing_with_att(NCFILENAME);
SUMMARIZE_ERR;
FINAL_RESULTS;
}