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147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/* This is part of the netCDF package.
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Copyright 2010 University Corporation for Atmospheric Research/Unidata
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See COPYRIGHT file for conditions of use.
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Test large file problems reported by user. This test based on code
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contributed by Kari Hoijarvi. Thanks Kari!
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$Id: tst_large5.c,v 2.2 2010/05/26 11:11:27 ed Exp $
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*/
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#include <config.h>
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#include "netcdf.h"
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#include <stdlib.h>
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#include <stdio.h>
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#ifndef NSLABS
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#define NSLABS 2149
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#endif
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#ifndef TEMP_LARGE
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#define TEMP_LARGE "."
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#endif
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#define FILE_NAME "tst_large5.nc"
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/* Error macros from ../libsrc4/nc_tests.h */
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int total_err = 0, err = 0;
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#define ERR do { \
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fflush(stdout); /* Make sure our stdout is synced with stderr. */ \
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err++; \
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fprintf(stderr, "Sorry! Unexpected result, %s, line: %d\n", \
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__FILE__, __LINE__); \
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} while (0)
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#define ERR_RET do { \
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fflush(stdout); /* Make sure our stdout is synced with stderr. */ \
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fprintf(stderr, "Sorry! Unexpected result, %s, line: %d\n", \
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__FILE__, __LINE__); \
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return 2; \
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} while (0)
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#define SUMMARIZE_ERR do { \
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if (err) \
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{ \
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printf("%d failures\n", err); \
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total_err += err; \
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err = 0; \
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} \
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else \
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printf("ok.\n"); \
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} while (0)
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#define FINAL_RESULTS do { \
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if (total_err) \
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{ \
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printf("%d errors detected! Sorry!\n", total_err); \
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return 2; \
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} \
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printf("*** Tests successful!\n"); \
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return 0; \
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} while (0)
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int
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main(int argc, char **argv)
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{
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printf("\n*** Testing netcdf-4 large files.\n");
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printf("**** testing with user-contributed test...\n");
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{
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#define TIME_LEN NSLABS
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#define LAT_LEN 1000
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#define LON_LEN 2000
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#define NDIMS 3
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#define VAR_NAME "the_big_enchilada"
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int ncid, varid;
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int dimids[NDIMS];
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size_t start[NDIMS] = {0, 0, 0};
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size_t count[NDIMS] = {1, LAT_LEN, LON_LEN};
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char file_name[NC_MAX_NAME * 2 + 1];
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signed char data[LAT_LEN][LON_LEN];
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/* #define NUM_FORMATS 2 */
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/* int this_format[NUM_FORMATS] = {NC_64BIT_OFFSET, NC_NETCDF4}; */
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/* char format_name[NUM_FORMATS][NC_MAX_NAME + 1] = */
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/* {"64-bit offset", "netCDF-4"}; */
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#define NUM_FORMATS 1
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int this_format[NUM_FORMATS] = {NC_64BIT_OFFSET};
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char format_name[NUM_FORMATS][NC_MAX_NAME + 1] =
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{"64-bit offset"};
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int i, j, f;
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printf("NSLABS=%d, sizes: int - %d, size_t - %d, and int * - %d\n",
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NSLABS, sizeof(int), sizeof(size_t), sizeof(int *));
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/* Create a file with one big variable. */
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for (f = 0; f < NUM_FORMATS; f++)
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{
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printf("\t...testing with %s\n", format_name[f]);
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sprintf(file_name, "%s/%s", TEMP_LARGE, FILE_NAME);
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if (nc_create(file_name, this_format[f], &ncid)) ERR;
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if (nc_def_dim(ncid, "lat", LAT_LEN, &dimids[1])) ERR;
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if (nc_def_dim(ncid, "lon", LON_LEN, &dimids[2])) ERR;
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if (nc_def_dim(ncid, "time", TIME_LEN, &dimids[0])) ERR;
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if (nc_def_var(ncid, VAR_NAME, NC_BYTE, 3, dimids, &varid)) ERR;
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if (nc_close(ncid)) ERR;
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/* Reopen the file and add data. */
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if (nc_open(file_name, NC_WRITE, &ncid)) ERR;
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/* See if can get error writing and reading only NSLABS slabs */
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for (start[0] = 0; start[0] < NSLABS; start[0]++)
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{
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/* Initialize this slab of data. */
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for (i = 0; i < LAT_LEN; i++)
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for (j = 0; j < LON_LEN; j++)
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data[i][j] = (start[0] + i + j) % 19;
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/* Write the slab. */
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if (nc_put_vara_schar(ncid, varid, start, count, &data[0][0])) ERR;
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}
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if (nc_close(ncid)) ERR;
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/* Reopen and check the file. */
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if (nc_open(file_name, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_varid(ncid, VAR_NAME, &varid)) ERR;
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/* Just read first NSLABS slabs */
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for (start[0] = 0; start[0] < NSLABS; start[0]++)
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{
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if (nc_get_vara_schar(ncid, varid, start, count, &data[0][0])) ERR;
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for (i = 0; i < LAT_LEN; i++)
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for (j = 0; j < LON_LEN; j++)
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{
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if (data[i][j] != (signed char)((start[0] + i + j) % 19))
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{
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printf("error on start[0]: %d i: %d j: %d expected %d got %d\n",
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start[0], i, j, (start[0] + i + j) % 19, data[i][j]);
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ERR_RET;
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}
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}
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} /* next slab to read */
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} /* next format*/
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/* Release our memory. */
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free(data);
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}
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SUMMARIZE_ERR;
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nc_finalize();
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FINAL_RESULTS;
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}
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