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104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
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Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
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conditions of use. See www.unidata.ucar.edu for more info.
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Create a test file with a string data for ncdump to read.
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Russ Rew
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*/
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#include <nc_tests.h>
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#include "err_macros.h"
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#include <netcdf.h>
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#define FILE4_NAME "tst_string_data.nc"
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#define DIM4_NAME "line"
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#define DIM4_LEN 5
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#define VAR4_NAME "description"
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#define VAR4_RANK 1
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#define ATT4_NAME "_FillValue"
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#define ATT4_LEN 1
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int
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main(int argc, char **argv)
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{
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int ncid;
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int dimid, varid;
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nc_type att_type;
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size_t att_len;
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int i;
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int var_dims[VAR4_RANK];
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const char *desc_data[DIM4_LEN] = {
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"first string", "second string", "third string", "", "last \n\"string\""
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};
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const char *missing_val[ATT4_LEN] = {""};
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char *strings_in[DIM4_LEN];
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printf("\n*** Testing strings.\n");
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printf("*** creating strings test file %s...", FILE4_NAME);
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if (nc_create(FILE4_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR;
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/* Declare a line dimension */
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if (nc_def_dim(ncid, DIM4_NAME, DIM4_LEN, &dimid)) ERR;
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/* Declare a string variable */
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var_dims[0] = dimid;
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if (nc_def_var(ncid, VAR4_NAME, NC_STRING, VAR4_RANK, var_dims, &varid)) ERR;
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/* Create and write a variable attribute of string type */
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if (nc_put_att_string(ncid, varid, ATT4_NAME, ATT4_LEN, missing_val)) ERR;
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if (nc_enddef(ncid)) ERR;
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/* Store some data of string type */
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if(nc_put_var(ncid, varid, desc_data)) ERR;
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/* Write the file. */
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if (nc_close(ncid)) ERR;
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/* Check it out. */
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if (nc_open(FILE4_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_varid(ncid, VAR4_NAME, &varid)) ERR;
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if (nc_inq_att(ncid, varid, ATT4_NAME, &att_type, &att_len)) ERR;
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if (att_type != NC_STRING || att_len != ATT4_LEN) ERR;
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if (nc_get_att_string(ncid, varid, ATT4_NAME, strings_in)) ERR;
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if (strcmp(strings_in[0], *missing_val) != 0) ERR;
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/* string atts should be explicitly freed when done with them */
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nc_free_string(ATT4_LEN, strings_in);
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if(nc_get_var_string(ncid, varid, strings_in)) ERR;
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for (i = 0; i < DIM4_LEN; i++) {
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if (strcmp(strings_in[i], desc_data[i]) != 0) ERR;
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}
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nc_free_string(DIM4_LEN, strings_in);
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/* Try reading strings in with typeless generic interface also */
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if(nc_get_var(ncid, varid, strings_in)) ERR;
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for (i = 0; i < DIM4_LEN; i++) {
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if (strcmp(strings_in[i], desc_data[i]) != 0) ERR;
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}
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nc_free_string(DIM4_LEN, strings_in);
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/* Try reading strings in with typeless generic array interface also */
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{
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size_t cor[VAR4_RANK], edg[VAR4_RANK];
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cor[0] = 0;
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edg[0] = DIM4_LEN;
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if(nc_get_vara(ncid, varid, cor, edg, strings_in)) ERR;
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for (i = 0; i < DIM4_LEN; i++) {
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if (strcmp(strings_in[i], desc_data[i]) != 0) ERR;
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}
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nc_free_string(DIM4_LEN, strings_in);
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}
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if (nc_close(ncid)) ERR;
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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