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95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
/* This is part of the netCDF package.
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Copyright 2008 University Corporation for Atmospheric Research/Unidata
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See COPYRIGHT file for conditions of use.
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Test for a bug that Russ found testing fill values.
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$Id: tst_fillbug.c,v 1.2 2008/10/03 16:03:24 ed Exp $
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*/
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#include <nc_tests.h>
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#include "err_macros.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <netcdf.h>
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#define FILENAME "tst_fillbug.nc"
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#define RANK_Time 1
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#define RANK_P 3
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#define LEN 4
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int
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main()
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{
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int ncid, dimids[RANK_P], time_id, p_id;
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int ndims, dimids_in[RANK_P];
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double data[1] = {3.14159};
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size_t start[1] = {0}, count[1] = {1};
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static float P_data[LEN];
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size_t cor[RANK_P] = {0, 1, 0};
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size_t edg[RANK_P] = {1, 1, LEN};
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int i;
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printf("\n*** Testing for a netCDF-4 fill-value bug.\n");
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printf("*** Testing fill-values...");
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/* Create a 3D test file. */
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if (nc_create(FILENAME, NC_CLOBBER|NC_NETCDF4, &ncid)) ERR;
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/* define dimensions */
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if (nc_def_dim(ncid, "Time", NC_UNLIMITED, &dimids[0])) ERR;
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if (nc_def_dim(ncid, "X", 4, &dimids[2])) ERR;
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if (nc_def_dim(ncid, "Y", 3, &dimids[1])) ERR;
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/* define variables */
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if (nc_def_var(ncid, "Time", NC_DOUBLE, 1, dimids, &time_id)) ERR;
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if (nc_def_var(ncid, "P", NC_FLOAT, RANK_P, dimids, &p_id)) ERR;
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/* Add one record in coordinate variable. */
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if (nc_put_vara(ncid, time_id, start, count, data)) ERR;
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/* The other variable should show an increase in size, since it
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* uses the unlimited dimension. */
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if (nc_inq_var(ncid, 1, NULL, NULL, &ndims, dimids_in, NULL)) ERR;
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if (ndims != 3 || dimids_in[0] != 0 || dimids_in[1] != 2 || dimids_in[2] != 1) ERR;
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/* Also test for fix of another bug, allowing invalid _FillValue
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* attribute (not of same type as variable or with 0 values or more
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* than 1 value) to be created. */
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{
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static const float p_FillValue_atts[] = {NC_FILL_FLOAT, -99} ;
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int p_FillValue_att = -99 ;
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/* This should returns error, too many attribute vals */
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if (nc_put_att_float(ncid, p_id, "_FillValue", NC_FLOAT, 2, p_FillValue_atts) != NC_EINVAL) ERR;
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/* This also should return error, wrong type */
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if (nc_put_att_int(ncid, p_id, "_FillValue", NC_INT, 1, &p_FillValue_att) != NC_EBADTYPE) ERR;
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/* This should succeed, _FillValue is valid */
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if (nc_put_att_float(ncid, p_id, "_FillValue", NC_FLOAT, 1, p_FillValue_atts)) ERR;
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}
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/* Read the record of non-existent data. */
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if (nc_get_vara(ncid, 1, cor, edg, P_data)) ERR;
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for (i = 0; i < LEN; i++)
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if (P_data[i] != NC_FILL_FLOAT) ERR;
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/* That's it! */
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if (nc_close(ncid)) ERR;
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/* Reopen the file and read the second slice. */
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if (nc_open(FILENAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_var(ncid, 1, NULL, NULL, &ndims, dimids_in, NULL)) ERR;
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if (ndims != 3 || dimids_in[0] != 0 || dimids_in[1] != 2 || dimids_in[2] != 1) ERR;
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if (nc_get_vara(ncid, 1, cor, edg, P_data)) ERR;
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for (i = 0; i < LEN; i++)
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if (P_data[i] != NC_FILL_FLOAT) ERR;
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if (nc_close(ncid)) ERR;
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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return 0;
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}
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