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netcdf-c/nc_test4/tst_udf.c

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/* This is part of the netCDF package. Copyright 2005-2018 University
Corporation for Atmospheric Research/Unidata. See COPYRIGHT file
for conditions of use.
Test user-defined formats.
Ed Hartnett
*/
#include "config.h"
#include <nc_tests.h>
#include "err_macros.h"
#include "netcdf.h"
#include "nc4dispatch.h"
#include "hdf5dispatch.h"
#include "netcdf_dispatch.h"
#define FILE_NAME "tst_udf.nc"
#ifdef _MSC_VER
static int
NC4_no_show_metadata(int ncid)
{
return NC_NOERR;
}
#define NC4_show_metadata NC4_no_show_metadata
#endif
int
tst_open(const char *path, int mode, int basepe, size_t *chunksizehintp,
void *parameters, const NC_Dispatch *dispatch, int ncid)
{
return NC_NOERR;
}
int
tst_abort(int ncid)
{
return TEST_VAL_42;
}
int
tst_close(int ncid, void *v)
{
return NC_NOERR;
}
int
tst_inq_format(int ncid, int *formatp)
{
return TEST_VAL_42;
}
int
tst_inq_format_extended(int ncid, int *formatp, int *modep)
{
return TEST_VAL_42;
}
int
tst_get_vara(int ncid, int varid, const size_t *start, const size_t *count,
void *value, nc_type t)
{
return TEST_VAL_42;
}
/* This is the dispatch object that holds pointers to all the
* functions that make up the test dispatch interface. */
static NC_Dispatch tst_dispatcher = {
NC_FORMATX_UDF0,
NC_DISPATCH_VERSION,
NC_RO_create,
tst_open,
NC_RO_redef,
NC_RO__enddef,
NC_RO_sync,
tst_abort,
tst_close,
NC_RO_set_fill,
tst_inq_format,
tst_inq_format_extended,
NC4_inq,
NC4_inq_type,
NC_RO_def_dim,
NC4_inq_dimid,
HDF5_inq_dim,
NC4_inq_unlimdim,
NC_RO_rename_dim,
NC4_inq_att,
NC4_inq_attid,
NC4_inq_attname,
NC_RO_rename_att,
NC_RO_del_att,
NC4_get_att,
NC_RO_put_att,
NC_RO_def_var,
NC4_inq_varid,
NC_RO_rename_var,
tst_get_vara,
NC_RO_put_vara,
NCDEFAULT_get_vars,
NCDEFAULT_put_vars,
NCDEFAULT_get_varm,
NCDEFAULT_put_varm,
NC4_inq_var_all,
NC_NOTNC4_var_par_access,
NC_RO_def_var_fill,
NC4_show_metadata,
NC4_inq_unlimdims,
NC4_inq_ncid,
NC4_inq_grps,
NC4_inq_grpname,
NC4_inq_grpname_full,
NC4_inq_grp_parent,
NC4_inq_grp_full_ncid,
NC4_inq_varids,
NC4_inq_dimids,
NC4_inq_typeids,
NC4_inq_type_equal,
NC_NOTNC4_def_grp,
NC_NOTNC4_rename_grp,
NC4_inq_user_type,
NC4_inq_typeid,
NC_NOTNC4_def_compound,
NC_NOTNC4_insert_compound,
NC_NOTNC4_insert_array_compound,
NC_NOTNC4_inq_compound_field,
NC_NOTNC4_inq_compound_fieldindex,
NC_NOTNC4_def_vlen,
NC_NOTNC4_put_vlen_element,
NC_NOTNC4_get_vlen_element,
NC_NOTNC4_def_enum,
NC_NOTNC4_insert_enum,
NC_NOTNC4_inq_enum_member,
NC_NOTNC4_inq_enum_ident,
NC_NOTNC4_def_opaque,
NC_NOTNC4_def_var_deflate,
NC_NOTNC4_def_var_fletcher32,
NC_NOTNC4_def_var_chunking,
NC_NOTNC4_def_var_endian,
NC_NOTNC4_def_var_filter,
NC_NOTNC4_set_var_chunk_cache,
NC_NOTNC4_get_var_chunk_cache,
#if NC_DISPATCH_VERSION >= 3
NC_NOOP_inq_var_filter_ids,
NC_NOOP_inq_var_filter_info,
#endif
#if NC_DISPATCH_VERSION >= 4
NC_NOTNC4_def_var_quantize,
NC_NOTNC4_inq_var_quantize,
#endif
#if NC_DISPATCH_VERSION >= 5
NC_NOOP_inq_filter_avail,
#endif
};
/* This is the dispatch object that holds pointers to all the
* functions that make up the test dispatch interface with a bad
* version number. */
static NC_Dispatch tst_dispatcher_bad_version = {
NC_FORMATX_UDF0,
NC_DISPATCH_VERSION - 1,
NC_RO_create,
tst_open,
NC_RO_redef,
NC_RO__enddef,
NC_RO_sync,
tst_abort,
tst_close,
NC_RO_set_fill,
tst_inq_format,
tst_inq_format_extended,
NC4_inq,
NC4_inq_type,
NC_RO_def_dim,
NC4_inq_dimid,
HDF5_inq_dim,
NC4_inq_unlimdim,
NC_RO_rename_dim,
NC4_inq_att,
NC4_inq_attid,
NC4_inq_attname,
NC_RO_rename_att,
NC_RO_del_att,
NC4_get_att,
NC_RO_put_att,
NC_RO_def_var,
NC4_inq_varid,
NC_RO_rename_var,
tst_get_vara,
NC_RO_put_vara,
NCDEFAULT_get_vars,
NCDEFAULT_put_vars,
NCDEFAULT_get_varm,
NCDEFAULT_put_varm,
NC4_inq_var_all,
NC_NOTNC4_var_par_access,
NC_RO_def_var_fill,
NC4_show_metadata,
NC4_inq_unlimdims,
NC4_inq_ncid,
NC4_inq_grps,
NC4_inq_grpname,
NC4_inq_grpname_full,
NC4_inq_grp_parent,
NC4_inq_grp_full_ncid,
NC4_inq_varids,
NC4_inq_dimids,
NC4_inq_typeids,
NC4_inq_type_equal,
NC_NOTNC4_def_grp,
NC_NOTNC4_rename_grp,
NC4_inq_user_type,
NC4_inq_typeid,
NC_NOTNC4_def_compound,
NC_NOTNC4_insert_compound,
NC_NOTNC4_insert_array_compound,
NC_NOTNC4_inq_compound_field,
NC_NOTNC4_inq_compound_fieldindex,
NC_NOTNC4_def_vlen,
NC_NOTNC4_put_vlen_element,
NC_NOTNC4_get_vlen_element,
NC_NOTNC4_def_enum,
NC_NOTNC4_insert_enum,
NC_NOTNC4_inq_enum_member,
NC_NOTNC4_inq_enum_ident,
NC_NOTNC4_def_opaque,
NC_NOTNC4_def_var_deflate,
NC_NOTNC4_def_var_fletcher32,
NC_NOTNC4_def_var_chunking,
NC_NOTNC4_def_var_endian,
NC_NOTNC4_def_var_filter,
NC_NOTNC4_set_var_chunk_cache,
NC_NOTNC4_get_var_chunk_cache,
#if NC_DISPATCH_VERSION >= 3
NC_NOOP_inq_var_filter_ids,
NC_NOOP_inq_var_filter_info,
#endif
#if NC_DISPATCH_VERSION >= 4
NC_NOTNC4_def_var_quantize,
NC_NOTNC4_inq_var_quantize,
#endif
#if NC_DISPATCH_VERSION >= 5
NC_NOOP_inq_filter_avail,
#endif
};
#define NUM_UDFS 2
int mode[NUM_UDFS] = {NC_UDF0, NC_UDF1};
int
main(int argc, char **argv)
{
printf("\n*** Testing user-defined formats.\n");
printf("*** testing simple user-defined format...");
{
int ncid;
NC_Dispatch *disp_in;
int i;
/* Create an empty file to play with. */
if (nc_create(FILE_NAME, 0, &ncid)) ERR;
if (nc_close(ncid)) ERR;
/* Test all available user-defined format slots. */
for (i = 0; i < NUM_UDFS; i++)
{
/* Add our user defined format. */
if (nc_def_user_format(mode[i], &tst_dispatcher, NULL)) ERR;
/* Check that our user-defined format has been added. */
if (nc_inq_user_format(mode[i], &disp_in, NULL)) ERR;
if (disp_in != &tst_dispatcher) ERR;
/* Open file with our defined functions. */
if (nc_open(FILE_NAME, mode[i], &ncid)) ERR;
if (nc_close(ncid)) ERR;
/* Open file again and abort, which is the same as closing
* it. This also tests that the UDF flags are given
* priority. If NC_NETCDF4 flag were given priority, then
* nc_abort() will not return TEST_VAL_42, but instead will
* return 0. */
if (nc_open(FILE_NAME, mode[i]|NC_NETCDF4, &ncid)) ERR;
if (nc_inq_format(ncid, NULL) != TEST_VAL_42) ERR;
if (nc_inq_format_extended(ncid, NULL, NULL) != TEST_VAL_42) ERR;
if (nc_abort(ncid) != TEST_VAL_42) ERR;
}
}
SUMMARIZE_ERR;
printf("*** testing user-defined format with magic number...");
{
int ncid;
NC_Dispatch *disp_in;
char magic_number[5] = "1111";
char dummy_data[11] = "0123456789";
char magic_number_in[NC_MAX_MAGIC_NUMBER_LEN];
FILE *FP;
int i;
/* Create a file with magic number at start. */
if (!(FP = NCfopen(FILE_NAME, "w"))) ERR;
if (fwrite(magic_number, sizeof(char), strlen(magic_number), FP)
!= strlen(magic_number)) ERR;
if (fwrite(dummy_data, sizeof(char), strlen(dummy_data), FP)
!= strlen(dummy_data)) ERR;
if (fclose(FP)) ERR;
/* Test all available user-defined format slots. */
for (i = 0; i < NUM_UDFS; i++)
{
/* Add our test user defined format. */
if (nc_def_user_format(mode[i], &tst_dispatcher, magic_number)) ERR;
/* Check that our user-defined format has been added. */
if (nc_inq_user_format(mode[i], &disp_in, magic_number_in)) ERR;
if (disp_in != &tst_dispatcher) ERR;
if (strncmp(magic_number, magic_number_in, strlen(magic_number))) ERR;
/* Open file with our defined functions. */
if (nc_open(FILE_NAME, mode[i], &ncid)) ERR;
if (nc_close(ncid)) ERR;
/* Open file again and abort, which is the same as closing
* it. This time we don't specify a mode, because the magic
* number is used to identify the file. */
if (nc_open(FILE_NAME, 0, &ncid)) ERR;
if (nc_inq_format(ncid, NULL) != TEST_VAL_42) ERR;
if (nc_inq_format_extended(ncid, NULL, NULL) != TEST_VAL_42) ERR;
if (nc_abort(ncid) != TEST_VAL_42) ERR;
}
}
SUMMARIZE_ERR;
printf("*** testing bad version causes dispatch table to be rejected...");
{
int i;
/* Test all available user-defined format slots. */
for (i = 0; i < NUM_UDFS; i++)
{
/* Make sure our bad version format is rejected. */
if (nc_def_user_format(mode[i], &tst_dispatcher_bad_version,
NULL) != NC_EINVAL) ERR;
}
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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