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netcdf-c/nc_test4/tst_fills2.c

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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.
Create a test file with default fill values for variables of each type.
$Id$
*/
#include <nc_tests.h>
#include <stdlib.h>
#include <stdio.h>
#include <netcdf.h>
#define FILE_NAME "tst_fills2.nc"
int
main(int argc, char **argv)
{ /* create tst_classic_fills.nc */
printf("\n*** Testing fill values.\n");
printf("*** testing read of string record var with no data...");
{
#define STRING_VAR_NAME "blood_toil_tears_sweat"
#define NDIMS_STRING 1
#define DATA_START 1 /* Real data here. */
int ncid, varid, dimid, varid_in;
const char *data_out[1] = {
"We have before us an ordeal of the most grievous kind. We have before "
"us many, many long months of struggle and of suffering. You ask, what "
"is our policy? I can say: It is to wage war, by sea, land and air, "
"with all our might and with all the strength that God can give us; to "
"wage war against a monstrous tyranny, never surpassed in the dark, "
"lamentable catalogue of human crime. That is our policy. You ask, what "
"is our aim? "
"I can answer in one word: It is victory, victory at all costs, victory "
"in spite of all terror, victory, however long and hard the road may "
"be; for without victory, there is no survival."};
char *data_in;
size_t index = DATA_START;
/* Create file with a 1D string var. Set its fill value to the
* empty string. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, "sentence", NC_UNLIMITED, &dimid)) ERR;
if (nc_def_var(ncid, STRING_VAR_NAME, NC_STRING, NDIMS_STRING,
&dimid, &varid)) ERR;
/* Check it out. */
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
/* Write one string, leaving some blank records which will then
* get the fill value. */
if (nc_put_var1_string(ncid, varid_in, &index, data_out)) ERR;
/* Get all the data from the variable. */
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, data_out[0])) ERR;
free(data_in);
if (nc_close(ncid)) ERR;
/* Now re-open file, read data, and check values again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, data_out[0])) ERR;
free(data_in);
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing read of string record var w/fill-value with no data...");
{
#undef STRING_VAR_NAME
#define STRING_VAR_NAME "I_Have_A_Dream"
#undef NDIMS_STRING
#define NDIMS_STRING 1
#define FILLVALUE_LEN 1 /* There is 1 string, the empty one. */
#undef DATA_START
#define DATA_START 2 /* Real data here. */
int ncid, varid, dimid, varid_in;
const char *missing_val[FILLVALUE_LEN] = {""};
const char *missing_val_in[FILLVALUE_LEN];
const char *data_out[1] = {
"With this faith, we will be able to hew out of the mountain of "
"despair a stone of hope. With this faith, we will be able to "
"transform the jangling discords of our nation into a beautiful "
"symphony of brotherhood. With this faith, we will be able to work "
"together, to pray together, to struggle together, to go to jail "
"together, to stand up for freedom together, knowing that we will "
"be free one day."};
char *data_in;
size_t index = DATA_START;
/* Create file with a 1D string var. Set its fill value to the
* empty string. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, "sentence", NC_UNLIMITED, &dimid)) ERR;
if (nc_def_var(ncid, STRING_VAR_NAME, NC_STRING, NDIMS_STRING,
&dimid, &varid)) ERR;
if (nc_put_att_string(ncid, varid, "_FillValue", FILLVALUE_LEN,
missing_val)) ERR;
/* Check it out. */
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue",
(char **)missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in[0])) ERR;
if (nc_free_string(FILLVALUE_LEN, (char **)missing_val_in)) ERR;
/* Write one string, leaving some blank records which will then
* get the fill value. */
if (nc_put_var1_string(ncid, varid_in, &index, data_out)) ERR;
/* Get all the data from the variable. */
index = 0;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, missing_val[0])) ERR;
free(data_in);
index = 1;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, missing_val[0])) ERR;
free(data_in);
index = DATA_START;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, data_out[0])) ERR;
free(data_in);
if (nc_close(ncid)) ERR;
/* Now re-open file, read data, and check values again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue",
(char **)missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in[0])) ERR;
if (nc_free_string(FILLVALUE_LEN, (char **)missing_val_in)) ERR;
/* Get all the data from the variable. */
/* As of HDF5-1.8.12, reading from an unwritten chunk in a dataset with a
* variable-length datatype and a fill-value set will error, instead
* of retrieving the fill-value. -QAK
*/
#ifdef NOT_YET
index = 0;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, missing_val[0])) ERR;
free(data_in);
index = 1;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, missing_val[0])) ERR;
free(data_in);
#endif /* NOT_YET */
index = DATA_START;
data_in = NULL;
if (nc_get_var1_string(ncid, varid_in, &index, &data_in)) ERR;
if (strcmp(data_in, data_out[0])) ERR;
free(data_in);
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing NULL fill values of a string var...");
{
#undef STRING_VAR_NAME
#define STRING_VAR_NAME "The_String"
#define NDIMS_STRING 1
#define FILLVALUE_LEN 1 /* There is 1 string, the empty one. */
#define DATA_START 2 /* Real data here. */
int ncid, varid, dimid, varid_in;
const char *missing_val[FILLVALUE_LEN] = {NULL};
const char *missing_val_in[FILLVALUE_LEN];
const char *data_out[1] = {"The evil that men do lives after them; "
"the good is oft interred with their bones."};
char **data_in;
size_t index = DATA_START;
int i;
/* Create file with a 1D string var. Set its fill value to the
* empty string. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, "rec", NC_UNLIMITED, &dimid)) ERR;
if (nc_def_var(ncid, STRING_VAR_NAME, NC_STRING, NDIMS_STRING, &dimid, &varid)) ERR;
if (nc_put_att_string(ncid, varid, "_FillValue", FILLVALUE_LEN, missing_val)) ERR;
/* Check it out. */
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", (char **)missing_val_in)) ERR;
if (missing_val[0] != missing_val_in[0]) ERR;
/* Write one string, leaving some blank records which will then
* get the fill value. */
if (nc_put_var1_string(ncid, varid_in, &index, data_out)) ERR;
/* Get all the data from the variable. */
if (!(data_in = malloc((DATA_START + 1) * sizeof(char *)))) ERR;
if (nc_get_var_string(ncid, varid_in, data_in)) ERR;
/* First there should be fill values, then the data value we
* wrote. */
for (i = 0; i < DATA_START; i++)
if (NULL != data_in[i]) ERR;
if (strcmp(data_in[DATA_START], data_out[0])) ERR;
if (nc_free_string(DATA_START + 1, data_in)) ERR;
/* Close everything up */
if (nc_close(ncid)) ERR;
/* Now re-open file, read data, and check values again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", (char **)missing_val_in)) ERR;
if (NULL != missing_val_in[0]) ERR;
if (nc_free_string(FILLVALUE_LEN, (char **)missing_val_in)) ERR;
/* Get all the data from the variable. */
if (nc_get_var_string(ncid, varid_in, data_in)) ERR;
/* First there should be fill values, then the data value we
* wrote. */
for (i = 0; i < DATA_START; i++)
if (NULL != data_in[i]) ERR;
if (strcmp(data_in[DATA_START], data_out[0])) ERR;
if (nc_free_string(DATA_START + 1, data_in)) ERR;
/* Close everything up */
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
printf("*** testing non-empty fill values of a string var...");
{
#define STRING_VAR_NAME2 "CASSIUS"
#define FILLVALUE_LEN2 1 /* There is 1 string in the fillvalue array. */
#define DATA_START2 9 /* Real data starts here. */
int ncid, varid, dimid, varid_in;
const char *missing_val[FILLVALUE_LEN2] = {"I know that virtue to be in you, Brutus"};
const char *missing_val_in[FILLVALUE_LEN2];
const char *data_out[1] = {"The evil that men do lives after them; "
"the good is oft interred with their bones."};
char **data_in;
size_t index = DATA_START2;
int i;
/* Create file with a 1D string var. Set its fill value to the
* a non-empty string. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, "rec", NC_UNLIMITED, &dimid)) ERR;
if (nc_def_var(ncid, STRING_VAR_NAME2, NC_STRING, NDIMS_STRING, &dimid, &varid)) ERR;
if (nc_put_att_string(ncid, varid, "_FillValue", FILLVALUE_LEN2, missing_val)) ERR;
/* Check it out. */
if (nc_inq_varid(ncid, STRING_VAR_NAME2, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", (char **)missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in[0])) ERR;
if (nc_free_string(FILLVALUE_LEN2, (char **)missing_val_in)) ERR;
/* Write one string, leaving some blank records which will then
* get the fill value. */
if (nc_put_var1_string(ncid, varid_in, &index, data_out)) ERR;
/* Get all the data from the variable. */
if (!(data_in = malloc((DATA_START2 + 1) * sizeof(char *)))) ERR;
if (nc_get_var_string(ncid, varid_in, data_in)) ERR;
/* First there should be fill values, then the data value we
* wrote. */
for (i = 0; i < DATA_START2; i++)
if (strcmp(data_in[i], missing_val[0])) ERR;
if (strcmp(data_in[DATA_START2], data_out[0])) ERR;
if (nc_free_string(DATA_START + 1, data_in)) ERR;
/* Close everything up. */
if (nc_close(ncid)) ERR;
/* Now re-open file, read data, and check values again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_varid(ncid, STRING_VAR_NAME2, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", (char **)missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in[0])) ERR;
if (nc_free_string(FILLVALUE_LEN2, (char **)missing_val_in)) ERR;
/* As of HDF5-1.8.12, reading from an unwritten chunk in a dataset with a
* variable-length datatype and a fill-value set will error, instead
* of retrieving the fill-value. -QAK
*/
#ifdef NOT_YET
/* Get all the data from the variable. */
if (nc_get_var_string(ncid, varid_in, data_in)) ERR;
/* First there should be fill values, then the data value we
* wrote. */
for (i = 0; i < DATA_START2; i++)
if (strcmp(data_in[i], missing_val[0])) ERR;
if (strcmp(data_in[DATA_START2], data_out[0])) ERR;
if (nc_free_string(DATA_START + 1, data_in)) ERR;
#endif /* NOT_YET */
/* Close everything up. */
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
printf("*** testing read of string record var with no data...");
{
#undef STRING_VAR_NAME
#define STRING_VAR_NAME "Moon_Is_A_Harsh_Mistress"
#define NDIMS_STRING 1
#define FILLVALUE_LEN 1 /* There is 1 string, the empty one. */
#define DATA_START 2 /* Real data here. */
int ncid, varid, dimid, varid_in;
const char *missing_val[FILLVALUE_LEN] = {""};
char *missing_val_in;
/* Create file with a 1D string var. Set its fill value to the
* empty string. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, "Lunar_Years", NC_UNLIMITED, &dimid)) ERR;
if (nc_def_var(ncid, STRING_VAR_NAME, NC_STRING, NDIMS_STRING,
&dimid, &varid)) ERR;
if (nc_put_att_string(ncid, varid, "_FillValue", FILLVALUE_LEN,
missing_val)) ERR;
/* Check it out. */
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", &missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in)) ERR;
if (nc_free_string(FILLVALUE_LEN, &missing_val_in)) ERR;
/* Get all the data from the variable. There is none! */
if (nc_get_var_string(ncid, varid_in, NULL)) ERR;
/* Close file. */
if (nc_close(ncid)) ERR;
/* Now re-open file, and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_varid(ncid, STRING_VAR_NAME, &varid_in)) ERR;
if (nc_get_att_string(ncid, varid_in, "_FillValue", &missing_val_in)) ERR;
if (strcmp(missing_val[0], missing_val_in)) ERR;
if (nc_free_string(FILLVALUE_LEN, &missing_val_in)) ERR;
/* Get all the data from the variable. There is none! */
if (nc_get_var_string(ncid, varid_in, NULL)) ERR;
/* Close file. */
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** Testing fix for netCDF-4 fill-value bug...");
{
int ncid, varid, dimids[1];
double fillval = -9999;
/* Test case for NCF-187 bug, thanks to Alexander Barth for fix */
if (nc_create(FILE_NAME, NC_NETCDF4 | NC_CLASSIC_MODEL, &ncid)) ERR;
if (nc_def_dim(ncid, "x", 182, &dimids[0])) ERR;
if (nc_def_var(ncid, "u_obs", NC_FLOAT, 1, dimids, &varid)) ERR;
if (nc_put_att_double (ncid, varid, "_FillValue", NC_FLOAT, 1, &fillval)) ERR;
if (nc_close(ncid)) ERR;
SUMMARIZE_ERR;
}
FINAL_RESULTS;
}
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