mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-21 08:39:46 +08:00
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
|
|
Copyright 2008, UCAR/Unidata
|
|
See COPYRIGHT file for copying and redistribution conditions.
|
|
|
|
This program tests the large file bug in netCDF 3.6.2,
|
|
creating byte and short variables larger than 4 GiB.
|
|
|
|
$Id: tst_big_var.c,v 1.9 2010/05/15 00:50:10 russ Exp $
|
|
*/
|
|
|
|
#include <nc_tests.h>
|
|
#include <netcdf.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#define FILE_NAME "tst_big_var.nc"
|
|
|
|
/* Test with both classic and 64-bit offset files. If netcdf-4 is
|
|
* included, test with both netCDF-4 format variants also. */
|
|
#ifdef USE_NETCDF4
|
|
#define NUM_FORMATS (4)
|
|
#else
|
|
#define NUM_FORMATS (2)
|
|
#endif
|
|
|
|
|
|
#define NUMDIMS 2 /* rank of each variable in tests */
|
|
#define DIM1 2048
|
|
#define DIM2 2097153 /* DIM1*DIM2*sizeof(char) > 2**32 */
|
|
|
|
/*
|
|
* In netCDF-3.6.2, an assertion failure occurs on 32-bit platforms
|
|
* when creating a byte variable for which the product of dimensions
|
|
* is greater than 2**32. Check that this bug has been fixed.
|
|
*/
|
|
static int
|
|
test_big_var(const char *testfile)
|
|
{
|
|
int ncid, varid, dimids[NUMDIMS];
|
|
size_t index[NUMDIMS];
|
|
int nval = 99;
|
|
int nval_in;
|
|
|
|
/* Create a file with one big variable. */
|
|
if (nc_create(testfile, NC_CLOBBER, &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 - 1, &dimids[1])) ERR;
|
|
if (nc_def_var(ncid, "var", NC_BYTE, NUMDIMS, dimids, &varid)) ERR;
|
|
if (nc_enddef(ncid)) ERR;
|
|
index[0] = DIM1 - 1;
|
|
index[1] = DIM2 - 2;
|
|
if (nc_put_var1_int(ncid, varid, index, &nval)) ERR;
|
|
if (nc_close(ncid)) ERR;
|
|
|
|
/* Open the file and check it. */
|
|
if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
|
|
if (nc_inq_varid(ncid, "var", &varid)) ERR;
|
|
if (nc_get_var1_int(ncid, varid, index, &nval_in)) ERR;
|
|
if (nval != nval_in) ERR;
|
|
if (nc_close(ncid)) ERR;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv) {
|
|
int i;
|
|
char testfile[NC_MAX_NAME + 1];
|
|
|
|
printf("\n*** Testing files with one very big variable.\n");
|
|
sprintf(testfile, "%s/%s", TEMP_LARGE, FILE_NAME);
|
|
for (i = NC_FORMAT_CLASSIC; i <= NUM_FORMATS; i++)
|
|
{
|
|
printf("*** testing format %d file with byte variable with > 2**32 values...", i);
|
|
nc_set_default_format(i, NULL);
|
|
test_big_var(testfile);
|
|
(void) remove(testfile);
|
|
SUMMARIZE_ERR;
|
|
}
|
|
|
|
FINAL_RESULTS;
|
|
}
|