mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-09 08:11:38 +08:00
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/*
|
|
Copyright 2008, UCAR/Unidata
|
|
See COPYRIGHT file for copying and redistribution conditions.
|
|
|
|
This program tests the fix for a large file bug in versions previous
|
|
to netCDF-4.1.2 for 32-bit platforms, writing to a variable with
|
|
more than 1 dimension and more than 2**32 values, where the write
|
|
starts after the first 2**32 elements.
|
|
|
|
Russ Rew
|
|
*/
|
|
|
|
#include <nc_tests.h>
|
|
#include "err_macros.h"
|
|
#include <netcdf.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#define FILE_NAME "tst_big_var6.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 4 /* rank of variable in tests */
|
|
#define DIM0 1
|
|
#define DIM1 2
|
|
#define DIM2 5000
|
|
#define DIM3 1000000 /* DIM2*DIM3 > 2**32 */
|
|
#define FIRST_VAL 65
|
|
#define SECOND_VAL 90
|
|
/*
|
|
* This program tests the fix for a large file bug in versions
|
|
* previous to netCDF-4.1.2 for 32-bit platforms, writing to a
|
|
* variable with more than 1 dimension and more than 2**32 values,
|
|
* where the write starts after the first 2**32 elements. The bug
|
|
* applies to record variables with more than 2**32 values per record
|
|
* as well, but that's not tested here.
|
|
*/
|
|
static int
|
|
test_big_var(const char *testfile)
|
|
{
|
|
int ncid, varid, dimids[NUMDIMS];
|
|
size_t start[NUMDIMS] = {0, 0, 0, 0};
|
|
size_t count[NUMDIMS] = {1, 1, 1, DIM3};
|
|
short data[DIM3];
|
|
int j;
|
|
int nerrs = 0;
|
|
|
|
/* Create a file with one big 4D variable. */
|
|
if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
|
|
if (nc_set_fill(ncid, NC_NOFILL, NULL)) ERR;
|
|
if (nc_def_dim(ncid, "dim0", DIM0, &dimids[0])) ERR;
|
|
if (nc_def_dim(ncid, "dim1", DIM1, &dimids[1])) ERR;
|
|
if (nc_def_dim(ncid, "dim2", DIM2, &dimids[2])) ERR;
|
|
if (nc_def_dim(ncid, "dim3", DIM3, &dimids[3])) ERR;
|
|
if (nc_def_var(ncid, "var", NC_SHORT, NUMDIMS, dimids, &varid)) ERR;
|
|
if (nc_enddef(ncid)) ERR;
|
|
|
|
/* write var(0,0,4294,*) as all FIRST_VAL */
|
|
start[0] = 0;
|
|
start[1] = 0;
|
|
start[2] = 4294;
|
|
for (j = 0; j < DIM3; j++)
|
|
data[j] = FIRST_VAL;
|
|
if (nc_put_vara_short(ncid, varid, start, count, &data[0])) ERR;
|
|
|
|
/* write var(0,1,0,*) as all 8588 */
|
|
start[0] = 0;
|
|
start[1] = 1;
|
|
start[2] = 0;
|
|
for (j = 0; j < DIM3; j++)
|
|
data[j] = SECOND_VAL;
|
|
if (nc_put_vara_short(ncid, varid, start, count, &data[0])) ERR;
|
|
|
|
/* Read and check var(0,0,4294,*) */
|
|
start[0] = 0;
|
|
start[1] = 0;
|
|
start[2] = 4294;
|
|
if (nc_get_vara_short(ncid, varid, start, count, &data[0])) ERR;
|
|
for (j = 0; j < DIM3; j++) {
|
|
if (data[j] != FIRST_VAL ) {
|
|
printf("error on start[0..2]: %ld,%ld,%ld j: %d, expected %d got %d\n",
|
|
start[0], start[1], start[2], j, FIRST_VAL, data[j]);
|
|
ERR;
|
|
if(nerrs++ > 1)
|
|
return nerrs;
|
|
}
|
|
}
|
|
if (nc_close(ncid)) ERR;
|
|
return NC_NOERR;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv) {
|
|
int i;
|
|
char testfile[NC_MAX_NAME + 1];
|
|
|
|
printf("\n*** Testing multidimensional variable with more than 2**32 values\n");
|
|
sprintf(testfile, "%s/%s", TEMP_LARGE, FILE_NAME);
|
|
for (i = NC_FORMAT_CLASSIC; i <= NUM_FORMATS; i++)
|
|
{
|
|
printf("*** testing format %d file with short variable with > 2**32 values...", i);
|
|
nc_set_default_format(i, NULL);
|
|
if (test_big_var(testfile)) ERR_RET;
|
|
(void) remove(testfile);
|
|
SUMMARIZE_ERR;
|
|
}
|
|
|
|
FINAL_RESULTS;
|
|
}
|