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netcdf-c/nc_test4/tst_atts.c
Dennis Heimbigner 727b613459 This is the initial step in moving to the new higher performance 
(I hope) metadata mechanism. This mostly just adds new pieces of
code (e.g. nclistmap) and does some minor fixes.

It should be transparent to everything else.
The next set of changes will be the big step.
2018-02-08 19:53:40 -07:00

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/* This is part of the netCDF package. Copyright 2006-2018 University
Corporation for Atmospheric Research/Unidata. See COPYRIGHT file
for conditions of use.
Test the netCDF-4 attribute code.
Ed Hartnett
*/
#include <config.h>
#include <nc_tests.h>
#include "err_macros.h"
#include "nc4internal.h"
/* The data file we will create. */
#define FILE_NAME "tst_atts.nc"
/* Names of attributes. */
#define OLD_NAME "Constantinople"
#define OLD_NAME_2 "Constantinopolis"
#define NEW_NAME "Istanbul"
/* Contents of attributes. */
#define CONTENTS "Lots of people!"
#define CONTENTS_2 "Lots of people!!" /* 1 longer than CONTENTS */
#define CONTENTS_3 "Lots 0f pe0ple!" /* same len as CONTENTS */
#define VAR_NAME "Earth"
#ifdef _MSC_VER /* otherwise defined in nc4internal/nc4file */
/**
* @internal Define the names of attributes to ignore added by the
* HDF5 dimension scale; these attached to variables. They cannot be
* modified thru the netcdf-4 API.
*/
const char* NC_RESERVED_VARATT_LIST[] = {
NC_ATT_REFERENCE_LIST,
NC_ATT_CLASS,
NC_ATT_DIMENSION_LIST,
NC_ATT_NAME,
NC_ATT_COORDINATES,
NC_DIMID_ATT_NAME,
NULL
};
/**
* @internal Define the names of attributes to ignore because they are
* "hidden" global attributes. They can be read, but not modified thru
* the netcdf-4 API.
*/
const char* NC_RESERVED_ATT_LIST[] = {
NC_ATT_FORMAT,
NC3_STRICT_ATT_NAME,
NCPROPS,
ISNETCDF4ATT,
SUPERBLOCKATT,
NULL
};
/**
* @internal Define the subset of the reserved list that is readable
* by name only
*/
const char* NC_RESERVED_SPECIAL_LIST[] = {
ISNETCDF4ATT,
SUPERBLOCKATT,
NCPROPS,
NULL
};
#endif /*_MSC_VER*/
int
main(int argc, char **argv)
{
printf("\n*** Testing netCDF-4 attributes.\n");
nc_set_log_level(3);
printf("*** testing attribute renaming for read-only file...");
{
int ncid;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file read-only. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
/* Try to rename the att, but it won't work. */
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, NEW_NAME) != NC_EPERM) ERR;
/* Try to create another att, it also won't work. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME_2, strlen(CONTENTS),
CONTENTS) != NC_EPERM) ERR;
/* Try to delete the att. More failure ensues. */
if (nc_del_att(ncid, NC_GLOBAL, OLD_NAME) != NC_EPERM) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing deleting atts...");
{
int ncid;
int natts;
/* Create a file with two atts. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME_2, 0, NULL)) ERR;
/* These will not work. */
if (nc_del_att(ncid + TEST_VAL_42, NC_GLOBAL, OLD_NAME) != NC_EBADID) ERR;
if (nc_del_att(ncid, TEST_VAL_42, OLD_NAME) != NC_ENOTVAR) ERR;
if (nc_del_att(ncid, NC_GLOBAL, NULL) != NC_EINVAL) ERR;
if (nc_del_att(ncid, NC_GLOBAL, NEW_NAME) != NC_ENOTATT) ERR;
/* End define mode. It redef will be called automatically. */
if (nc_enddef(ncid)) ERR;
/* Delete the attribute. */
if (nc_del_att(ncid, NC_GLOBAL, OLD_NAME)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file. */
if (nc_open(FILE_NAME, 0, &ncid)) ERR;
if (nc_inq_natts(ncid, &natts)) ERR;
if (natts != 1) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing deleting atts classic model...");
{
int ncid;
int natts;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLASSIC_MODEL, &ncid)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
/* End define mode. */
if (nc_enddef(ncid)) ERR;
/* This will not work. */
if (nc_del_att(ncid, NC_GLOBAL, OLD_NAME) != NC_ENOTINDEFINE) ERR;
/* Delete the attribute. Redef is needed since this is a classic
* model file. */
if (nc_redef(ncid)) ERR;
if (nc_del_att(ncid, NC_GLOBAL, OLD_NAME)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file. */
if (nc_open(FILE_NAME, 0, &ncid)) ERR;
if (nc_inq_natts(ncid, &natts)) ERR;
if (natts) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing over-writing atts classic model...");
{
int ncid;
int natts;
char *data_in;
if (!(data_in = malloc(strlen(CONTENTS) + 1))) ERR;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLASSIC_MODEL, &ncid)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
/* End define mode. */
if (nc_enddef(ncid)) ERR;
/* Try and write a new att. Won't work. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME_2, strlen(CONTENTS_2),
CONTENTS_2) != NC_EINDEFINE) ERR;
/* This will not work. Overwriting att must be same length or
* shorter if not in define mode. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS_2),
CONTENTS_2) != NC_EINDEFINE) ERR;
/* Now overwrite the att. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS_3),
CONTENTS_3)) ERR;
/* Delete the attribute. Redef is needed since this is a classic
* model file. This should work but does not. */
if (nc_redef(ncid)) ERR;
if (nc_del_att(ncid, NC_GLOBAL, OLD_NAME)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file. */
if (nc_open(FILE_NAME, 0, &ncid)) ERR;
if (nc_inq_natts(ncid, &natts)) ERR;
/* If delete worked, natts would be 0. */
/* if (natts != 0) ERR; */
if (natts != 1) ERR;
/* Get the attribute. */
if (nc_get_att_text(ncid, NC_GLOBAL, OLD_NAME, data_in)) ERR;
/* if (strncmp(CONTENTS_3, data_in, strlen(CONTENTS))) ERR; */
free(data_in);
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing attribute renaming for a global attribute...");
{
int ncid, attid;
char *data_in;
char too_long_name[NC_MAX_NAME + 2];
char name_in[NC_MAX_NAME + 1];
/* Set up a name that is too long for netCDF. */
memset(too_long_name, 'a', NC_MAX_NAME + 1);
too_long_name[NC_MAX_NAME + 1] = 0;
if (!(data_in = malloc(strlen(CONTENTS) + 1))) ERR;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_def_var(ncid, VAR_NAME, NC_INT, 0, NULL, NULL)) ERR;
/* These will not work. */
if (nc_put_att_text(ncid + TEST_VAL_42, NC_GLOBAL, OLD_NAME,
strlen(CONTENTS), CONTENTS) != NC_EBADID) ERR;
if (nc_put_att_text(ncid, TEST_VAL_42, OLD_NAME, strlen(CONTENTS),
CONTENTS) != NC_ENOTVAR) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, NULL, strlen(CONTENTS),
CONTENTS) != NC_EBADNAME) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, BAD_NAME, strlen(CONTENTS),
CONTENTS) != NC_EBADNAME) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, too_long_name, strlen(CONTENTS),
CONTENTS) != NC_EBADNAME) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
NULL) != NC_EINVAL) ERR;
{
/* Check that the NC_GLOBAL reserved words are rejected. */
const char** reserved = NC_RESERVED_ATT_LIST;
for ( ; *reserved; reserved++)
{
if (nc_put_att_text(ncid, NC_GLOBAL, *reserved, strlen(CONTENTS),
CONTENTS) != NC_ENAMEINUSE) ERR;
}
}
{
/* Check that the variable reserved words are rejected. */
const char** reserved = NC_RESERVED_VARATT_LIST;
for ( ; *reserved; reserved++)
{
if (nc_put_att_text(ncid, 0, *reserved, strlen(CONTENTS),
CONTENTS) != NC_ENAMEINUSE) ERR;
}
}
{
/* Check that the read-only reserved words are rejected. */
const char** reserved = NC_RESERVED_SPECIAL_LIST;
for ( ; *reserved; reserved++)
{
if (nc_put_att_text(ncid, NC_GLOBAL, *reserved, strlen(CONTENTS),
CONTENTS) != NC_ENAMEINUSE) ERR;
}
}
/* Write the attribute at last. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
/* Write another with different name. */
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME_2, strlen(CONTENTS),
CONTENTS)) ERR;
/* These will not work. */
if (nc_rename_att(ncid + TEST_VAL_42, NC_GLOBAL, OLD_NAME, NEW_NAME) != NC_EBADID) ERR;
if (nc_rename_att(ncid, TEST_VAL_42, OLD_NAME, NEW_NAME) != NC_ENOTVAR) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, NULL) != NC_EINVAL) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, NULL, NEW_NAME) != NC_EINVAL) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, NULL, NULL) != NC_EINVAL) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, BAD_NAME) != NC_EBADNAME) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, too_long_name) != NC_EMAXNAME) ERR;
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, OLD_NAME_2) != NC_ENAMEINUSE) ERR;
/* Rename the att. */
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, NEW_NAME)) ERR;
/* These will not work. */
if (nc_inq_attid(ncid + TEST_VAL_42, NC_GLOBAL, NEW_NAME, &attid) != NC_EBADID) ERR;
if (nc_inq_attid(ncid, TEST_VAL_42, NEW_NAME, &attid) != NC_ENOTVAR) ERR;
if (nc_inq_attid(ncid, NC_GLOBAL, NULL, &attid) != NC_EBADNAME) ERR;
/* Check the file. */
if (nc_inq_attid(ncid, NC_GLOBAL, NEW_NAME, &attid)) ERR;
if (attid != 0) ERR;
/* This also works. */
if (nc_inq_attid(ncid, NC_GLOBAL, NEW_NAME, NULL)) ERR;
/* These won't work. */
if (nc_inq_attname(ncid + TEST_VAL_42, NC_GLOBAL, attid, name_in) != NC_EBADID) ERR;
if (nc_inq_attname(ncid, TEST_VAL_42, attid, name_in) != NC_ENOTVAR) ERR;
if (nc_inq_attname(ncid, NC_GLOBAL, -1, name_in) != NC_ENOTATT) ERR;
/* Get the name from the ID. */
if (nc_inq_attname(ncid, NC_GLOBAL, attid, name_in)) ERR;
if (strcmp(name_in, NEW_NAME)) ERR;
/* Also works but does little. */
if (nc_inq_attname(ncid, NC_GLOBAL, attid, NULL)) ERR;
/* These will not work. */
if (nc_get_att_text(ncid + TEST_VAL_42, NC_GLOBAL, NEW_NAME, data_in) != NC_EBADID) ERR;
if (nc_get_att_text(ncid, TEST_VAL_42, NEW_NAME, data_in) != NC_ENOTVAR) ERR;
if (nc_get_att_text(ncid, NC_GLOBAL, NULL, data_in) != NC_EBADNAME) ERR;
/* Get the attribute at last. */
if (nc_get_att_text(ncid, NC_GLOBAL, NEW_NAME, data_in)) ERR;
if (strncmp(CONTENTS, data_in, strlen(CONTENTS))) ERR;
/* This also works. */
if (nc_get_att_text(ncid, NC_GLOBAL, NEW_NAME, NULL)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_attid(ncid, NC_GLOBAL, NEW_NAME, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, NC_GLOBAL, NEW_NAME, data_in)) ERR;
if (strncmp(CONTENTS, data_in, strlen(CONTENTS))) ERR;
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
printf("*** testing attribute renaming for a variable attribute...");
{
#define OLD_NAME1 "Constantinople"
#define NEW_NAME1 "Istanbul____________"
#define CONTENTS1 "Lots of people!"
int ncid, attid, varid;
char *data_in;
if (!(data_in = malloc(strlen(CONTENTS1) + 1))) ERR;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_def_var(ncid, VAR_NAME, NC_INT, 0, NULL, &varid)) ERR;
if (nc_put_att_text(ncid, varid, OLD_NAME1, strlen(CONTENTS1),
CONTENTS1)) ERR;
/* Rename the att. */
if (nc_rename_att(ncid, varid, OLD_NAME1, NEW_NAME1)) ERR;
/* Check the file. */
if (nc_inq_attid(ncid, varid, NEW_NAME1, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, varid, NEW_NAME1, data_in)) ERR;
if (strncmp(CONTENTS1, data_in, strlen(CONTENTS1))) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_attid(ncid, varid, NEW_NAME1, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, varid, NEW_NAME1, data_in)) ERR;
if (strncmp(CONTENTS1, data_in, strlen(CONTENTS1))) ERR;
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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