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/* This is part of the netCDF package. Copyright 2018 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use. See www.unidata.ucar.edu for more info.
*/
/*
Test _NCProperties and other special attributes
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
#include "unistd.h"
#endif
#include <hdf5.h>
#include "nc_tests.h"
#include "err_macros.h"
#include "netcdf.h"
#include "nc4internal.h"
#define NC4FILE "nc4_fileinfo.nc"
#define HDFFILE "hdf5_fileinfo.hdf"
#define INT_ATT_NAME "int_attr"
#define INT_VAR_NAME "int_var"
#define GROUPNAME "subgroup"
#define DIMNAME "time"
/*
Effective cdl:
netcdf nc4_fileinfo {
dimensions:
time = 4;
variables:
int :int_attr;
int int_var;
int int_var:int_attr;
char int_var:_NCProperties;
int time(time);
group subgroup: {
int :int_attr;
char :_NCProperties;
}
}
*/
int
main(int argc, char **argv)
{
printf("\n*** Testing 'Fileinfo attributes.\n");
{
hid_t fileid;
hid_t fcplid;
hid_t scalar_spaceid;
printf("*** creating test file using HDF5 directly %s...", HDFFILE);
/* Create scalar dataspace */
if((scalar_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
/* Set creation ordering for file, so we can revise its contents later */
if((fcplid = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR;
if(H5Pset_link_creation_order(fcplid, H5P_CRT_ORDER_TRACKED) < 0) ERR;
if(H5Pset_attr_creation_order(fcplid, H5P_CRT_ORDER_TRACKED) < 0) ERR;
/* Create new file, using default properties */
if((fileid = H5Fcreate(HDFFILE, H5F_ACC_TRUNC, fcplid, H5P_DEFAULT)) < 0) ERR;
/* Close file creation property list */
if(H5Pclose(fcplid) < 0) ERR;
/* Add attributes to root group */
{
hid_t scalar_spaceid = -1;
hid_t attid = -1;
/* Create scalar dataspace */
if((scalar_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
/* Create attribute with native integer datatype on object */
if((attid = H5Acreate2(fileid, INT_ATT_NAME, H5T_NATIVE_INT, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR;
if(H5Aclose(attid) < 0) ERR;
/* Clean up objects created */
if(H5Sclose(scalar_spaceid) < 0) ERR;
}
/* Close rest */
if(H5Sclose(scalar_spaceid) < 0) ERR;
if(H5Fclose(fileid) < 0) ERR;
}
{
int root, grpid, varid, stat, natts, id;
int data = 17;
const char* sdata = "text";
char ncprops[8192];
size_t len;
int dimid;
nc_type xtype;
char name[NC_MAX_NAME];
printf("\n*** creating netcdf-4 test file using netCDF %s...", NC4FILE);
if(nc_create(NC4FILE,NC_WRITE|NC_CLOBBER|NC_NETCDF4,&root)!=0) ERR;
/* Create global attribute */
if(nc_put_att_int(root,NC_GLOBAL,INT_ATT_NAME,NC_INT,1,&data)!=0) ERR;
/* Create global variable */
if(nc_def_var(root,INT_VAR_NAME,NC_INT,0,NULL,&varid)!=0) ERR;
/* Create attribute on var */
if(nc_put_att_int(root,varid,INT_ATT_NAME,NC_INT,1,&data)!=0) ERR;
/* Create global subgroup */
if(nc_def_grp(root,GROUPNAME,&grpid)!=0) ERR;
/* Create global attribute in the group */
if(nc_put_att_int(grpid,NC_GLOBAL,INT_ATT_NAME,NC_INT,1,&data)!=0) ERR;
/* Create var + dimension to cause e.g. dimscales to appear */
if(nc_def_dim(root,DIMNAME,(size_t)4,&dimid)!=0) ERR;
if(nc_def_var(root,DIMNAME,NC_INT,1,&dimid,&varid)!=0) ERR; /* same name */
/* Close, then re-open */
if(nc_close(root)) ERR;
if(nc_open(NC4FILE,NC_WRITE|NC_NETCDF4,&root)!=0) ERR;
/* Is all invisible attributes actually invisible vis-a-vis nc_inq? */
if(nc_inq(root,NULL,NULL,&natts,NULL)!=0) ERR;
if(natts != 1) ERR;
/* Now, fiddle with the NCPROPS attribute */
/* Get its metadata */
if(nc_inq_att(root,NC_GLOBAL,NCPROPS,&xtype,&len)!=0) ERR;
if(xtype != NC_CHAR) ERR;
/* Read in two ways */
if(nc_get_att_text(root,NC_GLOBAL,NCPROPS,ncprops)!=0) ERR;
if(strlen(ncprops) != len) ERR;
/* Attempt to get attribute metadata piecemeal; some will fail */
id = -1;
stat = nc_inq_attid(root,NC_GLOBAL,NCPROPS,&id);
if(stat == NC_NOERR) ERR;
stat = nc_inq_attname(root,NC_GLOBAL,id,name);
if(stat == NC_NOERR) ERR;
if(nc_inq_atttype(root,NC_GLOBAL,NCPROPS,&xtype)!=0) ERR;
if(xtype != NC_CHAR) ERR;
if(nc_inq_attlen(root,NC_GLOBAL,NCPROPS,&len)!=0) ERR;
if(len != strlen(ncprops)) ERR;
/*Overwrite _NCProperties root attribute; should fail */
stat = nc_put_att_text(root,NC_GLOBAL,NCPROPS,strlen(sdata),sdata);
if(stat == NC_NOERR) ERR;
/* Delete; should fail */
stat = nc_del_att(root,NC_GLOBAL,NCPROPS);
if(stat != NC_ENOTATT) ERR;
/* Ditto _SuperblockVersion */
/* Get its metadata */
if(nc_inq_att(root,NC_GLOBAL,SUPERBLOCKATT,&xtype,&len)!=0) ERR;
if(xtype != NC_INT) ERR;
if(len != 1) ERR;
if(nc_get_att_int(root,NC_GLOBAL,SUPERBLOCKATT,&data)!=0) ERR;
/* Attempt to get attribute metadata piecemeal */
stat = nc_inq_attid(root,NC_GLOBAL,SUPERBLOCKATT,&id);
if(stat == NC_NOERR) ERR;
stat = nc_inq_attname(root,NC_GLOBAL,id,name);
if(stat == NC_NOERR) ERR;
if(nc_inq_atttype(root,NC_GLOBAL,SUPERBLOCKATT,&xtype)!=0) ERR;
if(xtype != NC_INT) ERR;
if(nc_inq_attlen(root,NC_GLOBAL,SUPERBLOCKATT,&len)!=0) ERR;
if(len != 1) ERR;
/*Overwrite; should fail */
stat = nc_put_att_int(root,NC_GLOBAL,NCPROPS,NC_INT,1,&data);
if(stat == NC_NOERR) ERR;
/* Delete; should fail */
stat = nc_del_att(root,NC_GLOBAL,SUPERBLOCKATT);
if(stat == NC_NOERR) ERR;
/* Ditto _IsNetcdf4 */
/* Get its metadata */
if(nc_inq_att(root,NC_GLOBAL,ISNETCDF4ATT,&xtype,&len)!=0) ERR;
if(xtype != NC_INT) ERR;
if(len != 1) ERR;
if(nc_get_att_int(root,NC_GLOBAL,ISNETCDF4ATT,&data)!=0) ERR;
/* Attempt to get attribute metadata piecemeal */
stat = nc_inq_attid(root,NC_GLOBAL,ISNETCDF4ATT,&id);
if(stat == NC_NOERR) ERR;
stat = nc_inq_attname(root,NC_GLOBAL,id,name);
if(stat == NC_NOERR) ERR;
if(nc_inq_atttype(root,NC_GLOBAL,ISNETCDF4ATT,&xtype)!=0) ERR;
if(xtype != NC_INT) ERR;
if(nc_inq_attlen(root,NC_GLOBAL,ISNETCDF4ATT,&len)!=0) ERR;
if(len != 1) ERR;
/*Overwrite; should fail */
stat = nc_put_att_int(root,NC_GLOBAL,ISNETCDF4ATT,NC_INT,1,&data);
if(stat == NC_NOERR) ERR;
/* Delete; should fail */
stat = nc_del_att(root,NC_GLOBAL,ISNETCDF4ATT);
if(stat == NC_NOERR) ERR;
if(nc_close(root)!=0) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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