mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-21 08:39:46 +08:00
127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
|
|
Copyright 2018, UCAR/Unidata
|
|
See COPYRIGHT file for copying and redistribution conditions.
|
|
|
|
This program tests a large file bug on 32-bit platforms in versions
|
|
previous to netCDF-4.1.2, writing to a record variable with more
|
|
than 2 dimensions and more than 2**32 values per record, where the
|
|
write starts after the first 2**32 values in a record for that
|
|
variable.
|
|
|
|
$Id: tst_big_rvar.c,v 1.2 2010/05/21 15:20:26 russ Exp $
|
|
*/
|
|
|
|
#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_rvar.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_HDF5 */
|
|
/* #define NUM_FORMATS (4) */
|
|
/* #else */
|
|
/* #define NUM_FORMATS (2) */
|
|
/* #endif */
|
|
|
|
#define NUM_FORMATS (2)
|
|
|
|
#define NUMDIMS 4 /* rank of variable in tests */
|
|
#define DIMR NC_UNLIMITED
|
|
#define DIM1 2149 /* just big enough to demonstrate bug */
|
|
#define DIM2 1000
|
|
#define DIM3 2000 /* DIM1*DIM2*DIM3 > 2**32 */
|
|
|
|
|
|
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, DIM2, DIM3};
|
|
signed char data[DIM2][DIM3];
|
|
int i, j;
|
|
int nerrs = 0;
|
|
|
|
/* Create a file with one big record variable. */
|
|
if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
|
|
if (nc_set_fill(ncid, NC_NOFILL, NULL)) ERR;
|
|
if (nc_def_dim(ncid, "rec", DIMR, &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 - 1, &dimids[1])) ERR; */
|
|
if (nc_def_dim(ncid, "dim3", DIM3, &dimids[3])) ERR;
|
|
if (nc_def_var(ncid, "var", NC_BYTE, NUMDIMS, dimids, &varid)) ERR;
|
|
if (nc_enddef(ncid)) ERR;
|
|
|
|
/* Initialize slab of data. */
|
|
for (i = 0; i < DIM2; i++)
|
|
for (j = 0; j < DIM3; j++) {
|
|
data[i][j] = (i + j) % 16;
|
|
}
|
|
/* Just write the first and last slabs */
|
|
start[1] = 0;
|
|
if (nc_put_vara_schar(ncid, varid, start, count, &data[0][0])) ERR;
|
|
start[1] = DIM1 - 1;
|
|
if (nc_put_vara_schar(ncid, varid, start, count, &data[0][0])) 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;
|
|
/* Read and check data in the first and last slabs */
|
|
start[1] = 0;
|
|
if (nc_get_vara_schar(ncid, varid, start, count, &data[0][0])) ERR;
|
|
for (i = 0; i < DIM2; i++)
|
|
for (j = 0; j < DIM3; j++)
|
|
{
|
|
if (data[i][j] != (signed char)((i + j) % 16))
|
|
{
|
|
printf("error on start[0]: %ld i: %d j: %d expected %d got %d\n",
|
|
start[0], i, j, (i + j) % 16, data[i][j]);
|
|
ERR;
|
|
if(nerrs++ > 2)
|
|
return nerrs;
|
|
}
|
|
}
|
|
start[1] = DIM1 - 1;
|
|
if (nc_get_vara_schar(ncid, varid, start, count, &data[0][0])) ERR;
|
|
for (i = 0; i < DIM2; i++)
|
|
for (j = 0; j < DIM3; j++)
|
|
{
|
|
if (data[i][j] != (signed char)((i + j) % 16))
|
|
{
|
|
printf("error on start[0]: %ld i: %d j: %d expected %d got %d\n",
|
|
start[0], i, j, (i + j) % 16, data[i][j]);
|
|
ERR;
|
|
if(nerrs++ > 2)
|
|
return nerrs;
|
|
}
|
|
}
|
|
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 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 record variable with > 2**32 values...", i);
|
|
nc_set_default_format(i, NULL);
|
|
test_big_var(testfile);
|
|
(void) remove(testfile);
|
|
SUMMARIZE_ERR;
|
|
}
|
|
|
|
FINAL_RESULTS;
|
|
}
|