netcdf-c/nc_test4/tst_sync.c

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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.
Test netcdf-4 syncs.
*/
#include <nc_tests.h>
#include "err_macros.h"
#define FILE_NAME "tst_sync.nc"
#define DIM_NAME "x"
#define VAR1_NAME "var1"
#define VAR2_NAME "var2"
int
main(int argc, char **argv)
{
printf("\n*** Testing netcdf-4 variable syncing.\n");
printf("**** testing that sync works in netCDF-4...");
{
int ncid, var1_id, var2_id, var3_id, dimid;
int ndims, nvars, natts, unlimdimid, dimid_in;
nc_type xtype_in;
char name_in[NC_MAX_NAME + 1];
/* Create a file with one dim, and two vars that use it. For
* fun, do a sync between the def_var calls. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, DIM_NAME, 1, &dimid)) ERR;
if (nc_def_var(ncid, VAR1_NAME, NC_FLOAT, 1, &dimid, &var1_id)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_def_var(ncid, VAR2_NAME, NC_FLOAT, 1, &dimid, &var2_id)) ERR;
/* Now define a coordinate variable for the dimension. */
if (nc_def_var(ncid, DIM_NAME, NC_FLOAT, 1, &dimid, &var3_id)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check it. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 1 || nvars != 3 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 2, name_in, &xtype_in, &ndims, &dimid_in, &natts)) ERR;
if (strcmp(name_in, DIM_NAME) || xtype_in != NC_FLOAT || ndims != 1 ||
dimid_in != 0 || natts != 0) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
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printf("**** testing that sync works in netCDF-4, with test contributed by Jeff W....");
{
int ncid, var1_id, var2_id, var3_id, dimid;
/* Create a file with one dim and two variables. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, DIM_NAME, 1, &dimid)) ERR;
if (nc_def_var(ncid, VAR1_NAME, NC_FLOAT, 1, &dimid, &var1_id)) ERR;
if (nc_def_var(ncid, VAR2_NAME, NC_FLOAT, 1,&dimid, &var2_id)) ERR;
/* Sync the file and add a coordinate variable. */
if (nc_sync(ncid)) ERR;
if (nc_def_var(ncid, DIM_NAME, NC_FLOAT, 1, &dimid, &var3_id)) ERR;
/* Close the file. */
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("**** testing that sync works in netCDF-4, with test contributed by Jeff W....");
{
int ncid, var1_id, var2_id, var3_id, dimid;
float xx;
if (nc_create(FILE_NAME, NC_NETCDF4 | NC_CLOBBER, &ncid)) ERR;
if (nc_def_dim(ncid, DIM_NAME, 1, &dimid)) ERR;
if (nc_def_var(ncid, VAR1_NAME, NC_FLOAT, 1, &dimid, &var1_id)) ERR;
xx = 1.0;
if (nc_put_var_float(ncid, var1_id, &xx)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_def_var(ncid, VAR2_NAME, NC_FLOAT, 1,&dimid, &var2_id)) ERR;
xx = 2.0;
if (nc_put_var_float(ncid, var2_id, &xx)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_def_var(ncid, DIM_NAME, NC_FLOAT, 1, &dimid, &var3_id)) ERR;
xx = 3.0;
if (nc_put_var_float(ncid, var3_id, &xx)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
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printf("**** testing sync without enddef...");
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{
int ncid, var1_id, var2_id, var3_id, dimid;
int ndims, nvars, natts, unlimdimid, dimid_in;
nc_type xtype_in;
char name_in[NC_MAX_NAME + 1];
/* Create a file. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, DIM_NAME, 1, &dimid)) ERR;
if (nc_def_var(ncid, VAR1_NAME, NC_FLOAT, 1, &dimid, &var1_id)) ERR;
if (nc_def_var(ncid, VAR2_NAME, NC_FLOAT, 1, &dimid, &var2_id)) ERR;
if (nc_def_var(ncid, DIM_NAME, NC_FLOAT, 1, &dimid, &var3_id)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check it. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 1 || nvars != 3 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 2, name_in, &xtype_in, &ndims, &dimid_in, &natts)) ERR;
if (strcmp(name_in, DIM_NAME) || xtype_in != NC_FLOAT || ndims != 1 ||
dimid_in != 0 || natts != 0) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("**** testing that sync failes without enddef for classic model...");
{
int ncid, var1_id, var2_id, var3_id, dimid;
int ndims, nvars, natts, unlimdimid, dimid_in;
nc_type xtype_in;
char name_in[NC_MAX_NAME + 1];
/* Create a file. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLASSIC_MODEL, &ncid)) ERR;
if (nc_def_dim(ncid, DIM_NAME, 1, &dimid)) ERR;
if (nc_def_var(ncid, VAR1_NAME, NC_FLOAT, 1, &dimid, &var1_id)) ERR;
if (nc_def_var(ncid, VAR2_NAME, NC_FLOAT, 1, &dimid, &var2_id)) ERR;
if (nc_def_var(ncid, DIM_NAME, NC_FLOAT, 1, &dimid, &var3_id)) ERR;
if (nc_sync(ncid) != NC_EINDEFINE) ERR;
if (nc_enddef(ncid)) ERR;
if (nc_sync(ncid)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check it. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 1 || nvars != 3 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 2, name_in, &xtype_in, &ndims, &dimid_in, &natts)) ERR;
if (strcmp(name_in, DIM_NAME) || xtype_in != NC_FLOAT || ndims != 1 ||
dimid_in != 0 || natts != 0) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}