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netcdf-c/nc_test4/tst_dims3.c
Russ Rew b36dc5b5fb Fix NCF-244 bug for case where using different order for defining 
coordinate variables and their associated dimensions occurs in any
subgroup, rather than just the root group.  If this occurs, the
variable attribute "_Netcdf4Dimid" is created for every dimension
scale.

Also add a test for this bug fix in tst_dims3.nc, based on Pedro
Vicente's demo.
2013-03-26 15:14:19 +00:00

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/* This is part of the netCDF package. Copyright 2008 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use. See www.unidata.ucar.edu for more info.
Test netcdf-4 dimensions inheritance.
$Id: tst_dims3.c,v 1.7 2010/05/25 13:53:04 ed Exp $
*/
#include <config.h>
#include <nc_tests.h>
int
main(int argc, char **argv)
{
nc_set_log_level(0);
printf("\n*** Testing netcdf-4 dimensions even more.\n");
printf("*** testing netcdf-4 dimension inheritance...");
{
#define FILE_NAME "tst_dims3.nc"
#define RANK_time 1
#define GRP_NAME "G"
#define GRP2_NAME "G2"
#define TIME_NAME "time"
#define VAR2_NAME "z"
#define TIME_RANK 1
#define NUM_TIMES 2
#define LEV_NAME "level"
#define VRT_NAME "vert_number"
#define LEV_NUM 3
#define LEV_RANK 1
#define VRT_RANK 1
#define VAR2_RANK 2
#define NUM_VRT 3
int ncid, grpid;
int time_dim, time_dim_in;
int time_var, z_var;
size_t len;
int time_data[NUM_TIMES] = {1, 2} ;
size_t time_startset[TIME_RANK] = {0} ;
size_t time_countset[TIME_RANK] = {NUM_TIMES} ;
/* Create file with unlimited dim and associated coordinate
* variable in root group, another variable that uses unlimited
* dim in subgroup. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dim)) ERR;
if (nc_def_var(ncid, TIME_NAME, NC_INT, TIME_RANK, &time_dim,
&time_var)) ERR;
if (nc_def_var(grpid, VAR2_NAME, NC_INT, TIME_RANK, &time_dim,
&z_var)) ERR;
if (nc_enddef(ncid)) ERR;
/* Assign data to time variable, creating two times */
if (nc_put_vara(ncid, time_dim, time_startset, time_countset,
time_data)) ERR;
/* Check the dim len from the root group */
if (nc_inq_dimlen(ncid, time_dim, &len)) ERR;
if (len != NUM_TIMES) ERR;
/* Check the dim len from the sub group */
if (nc_inq_dimlen(grpid, time_dim, &len)) ERR;
if (len != NUM_TIMES) ERR;
if (nc_close(ncid)) ERR;
/* Now check how many times there are from the subgroup */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_ncid(ncid, GRP_NAME, &grpid)) ERR;
if (nc_inq_dimid(ncid, TIME_NAME, &time_dim)) ERR;
/* Check the dim len from the root group */
if (nc_inq_dimlen(ncid, time_dim, &len)) ERR;
if (len != NUM_TIMES) ERR;
/* Check the dim len from the sub group */
if (nc_inq_dimlen(grpid, time_dim, &len)) ERR;
if (len != NUM_TIMES) ERR;
/* Find the dimension by name. */
if (nc_inq_dimid(grpid, TIME_NAME, &time_dim_in)) ERR;
if (time_dim_in != time_dim) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing a scalar coordinate dimension...");
{
int ncid, dimid, varid;
float data = 42.5;
/* Create a scalar coordinate dimension. The only reason that
* the user can ever possibly have for doing this is just
* because they like to make life difficult for poor, poor
* netCDF programmers, trapped in this horrible place, in a
* Rocky Mountain valley, drenched in sunlight, with a stream
* quietly gurgling, deer feeding on the grasses, and all those
* damn birds chirping! */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
if (nc_def_dim(ncid, "scalar", 0, &dimid)) ERR_RET;
if (nc_def_var(ncid, "scalar", NC_FLOAT, 0, &dimid, &varid)) ERR_RET;
if (nc_put_var_float(ncid, varid, &data)) ERR_RET;
if (nc_close(ncid))
ERR_RET;
}
SUMMARIZE_ERR;
printf("*** testing defining dimensions and coord variables in different orders in root group...");
{
int ncid, grpid, grp2id;
int time_dimid, lev_dimid, vrt_dimid, g2lev_dimid, g2vrt_dimid;
int time_dimid_in, lev_dimid_in, vrt_dimid_in, g2lev_dimid_in, g2vrt_dimid_in;
int time_varid, lev_varid, gvar2_varid, g2lev_varid, g2vrt_varid;
int var2_dims[VAR2_RANK];
/* Create test for fix of bug that resulted in two dimensions
* having the same dimid, which violates the Pauli exclusion
* principle for dimensions. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dimid)) ERR_RET;
if (nc_def_dim(ncid, LEV_NAME, LEV_NUM, &lev_dimid)) ERR_RET;
var2_dims[0] = time_dimid;
var2_dims[1] = lev_dimid;
if (nc_def_var(grpid, VAR2_NAME, NC_FLOAT, VAR2_RANK, var2_dims, &gvar2_varid)) ERR;
/* define coord vars in opposite order of coord dims */
if (nc_def_var(ncid, LEV_NAME, NC_FLOAT, LEV_RANK, &lev_dimid, &lev_varid)) ERR;
if (nc_def_var(ncid, TIME_NAME, NC_FLOAT, TIME_RANK, &time_dimid, &time_varid)) ERR;
if (nc_def_grp(ncid, GRP2_NAME, &grp2id)) ERR;
if (nc_def_dim(grp2id, LEV_NAME, LEV_NUM, &g2lev_dimid)) ERR_RET;
if (nc_def_dim(grp2id, VRT_NAME, NUM_VRT, &g2vrt_dimid)) ERR_RET;
if (nc_def_var(grp2id, LEV_NAME, NC_FLOAT, LEV_RANK, &g2lev_dimid, &g2lev_varid)) ERR;
if (nc_def_var(grp2id, VRT_NAME, NC_FLOAT, VRT_RANK, &g2vrt_dimid, &g2vrt_varid)) ERR;
if (nc_close(ncid)) ERR;
/* Re-open, in which dimids may get reassigned */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_dimid(ncid, TIME_NAME, &time_dimid_in)) ERR;
if (nc_inq_dimid(ncid, LEV_NAME, &lev_dimid_in)) ERR;
if (nc_inq_ncid(ncid, GRP2_NAME, &grp2id)) ERR;
if (nc_inq_dimid(grp2id, LEV_NAME, &g2lev_dimid_in)) ERR;
if (nc_inq_dimid(grp2id, VRT_NAME, &g2vrt_dimid_in)) ERR;
/* dimids must still all be distinct */
if (time_dimid_in == lev_dimid_in ||
time_dimid_in == g2lev_dimid_in ||
time_dimid_in == g2vrt_dimid_in ||
lev_dimid_in == g2lev_dimid_in ||
lev_dimid_in == g2vrt_dimid_in ||
g2lev_dimid_in == g2vrt_dimid_in) ERR;
if (nc_close(ncid))
ERR_RET;
}
SUMMARIZE_ERR;
printf("*** testing defining dimensions and coord variables in different orders in subgroup...");
{
int ncid, grpid, grp2id;
int time_dimid, lev_dimid, vrt_dimid, g2lev_dimid, g2vrt_dimid;
int time_dimid_in, lev_dimid_in, vrt_dimid_in, g2lev_dimid_in, g2vrt_dimid_in;
int time_varid, lev_varid, gvar2_varid, g2lev_varid, g2vrt_varid;
int var2_dims[VAR2_RANK];
/* Create test for fix of bug inside a subgroup that results in two dimensions
* having the same dimid. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dimid)) ERR_RET;
if (nc_def_dim(ncid, LEV_NAME, LEV_NUM, &lev_dimid)) ERR_RET;
var2_dims[0] = time_dimid;
var2_dims[1] = lev_dimid;
if (nc_def_var(grpid, VAR2_NAME, NC_FLOAT, VAR2_RANK, var2_dims, &gvar2_varid)) ERR;
if (nc_def_var(ncid, TIME_NAME, NC_FLOAT, TIME_RANK, &time_dimid, &time_varid)) ERR;
if (nc_def_var(ncid, LEV_NAME, NC_FLOAT, LEV_RANK, &lev_dimid, &lev_varid)) ERR;
if (nc_def_grp(ncid, GRP2_NAME, &grp2id)) ERR;
if (nc_def_dim(grp2id, LEV_NAME, LEV_NUM, &g2lev_dimid)) ERR_RET;
if (nc_def_dim(grp2id, VRT_NAME, NUM_VRT, &g2vrt_dimid)) ERR_RET;
/* define coord vars in opposite order of coord dims */
if (nc_def_var(grp2id, VRT_NAME, NC_FLOAT, VRT_RANK, &g2vrt_dimid, &g2vrt_varid)) ERR;
if (nc_def_var(grp2id, LEV_NAME, NC_FLOAT, LEV_RANK, &g2lev_dimid, &g2lev_varid)) ERR;
if (nc_close(ncid)) ERR;
/* Re-open, in which dimids may get reassigned */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_dimid(ncid, TIME_NAME, &time_dimid_in)) ERR;
if (nc_inq_dimid(ncid, LEV_NAME, &lev_dimid_in)) ERR;
if (nc_inq_ncid(ncid, GRP2_NAME, &grp2id)) ERR;
if (nc_inq_dimid(grp2id, LEV_NAME, &g2lev_dimid_in)) ERR;
if (nc_inq_dimid(grp2id, VRT_NAME, &g2vrt_dimid_in)) ERR;
/* dimids must still all be distinct */
if (time_dimid_in == lev_dimid_in ||
time_dimid_in == g2lev_dimid_in ||
time_dimid_in == g2vrt_dimid_in ||
lev_dimid_in == g2lev_dimid_in ||
lev_dimid_in == g2vrt_dimid_in ||
g2lev_dimid_in == g2vrt_dimid_in) ERR;
if (nc_close(ncid))
ERR_RET;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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