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/*! Test for NCF-331. Added May 11, 2015.
* See the following links for more information:
*
* o Issue on GitHub: https://github.com/Unidata/netcdf-c/issues/112
* o Issue in JIRA: https://bugtracking.unidata.ucar.edu/browse/NCF-331
*
* Test contributed by Jeff Whitaker
*/
#include <nc_tests.h>
#include <string.h>
#include "nc_logging.h"
#define FILE_NAME_NC "tst_h5_endians.nc"
#define NDIM 10
#define NLON 20
#define DIM_NAME "x"
#define DIM_LEN 4
#define GRP_NAME "grp"
#define LE_FLOAT_VARNAME "fl_le"
#define BE_FLOAT_VARNAME "fl_be"
#define LE_INT_VARNAME "int_le"
#define BE_INT_VARNAME "int_be"
#define LE_DBL_VARNAME "dbl_le"
#define BE_DBL_VARNAME "dbl_be"
int main() {
int ncid, dimid;
int le_float_varid;
int be_float_varid;
int le_int_varid;
int be_int_varid;
int le_dbl_varid;
int be_dbl_varid;
int ed;
int failures = 0;
int retval;
printf("* Checking that endianness is properly read from file.\n");
printf("** Generating test files.\n");
/*
* 1. Create a netcdf file with endianness as desired.
*/
{
printf("*** Creating a file via netcdf API: %s.\n",FILE_NAME_NC);
if ((retval = nc_create(FILE_NAME_NC, NC_NETCDF4 | NC_CLOBBER, &ncid)))
return retval;
if ((retval = nc_def_dim(ncid, DIM_NAME, NDIM, &dimid)))
return retval;
/* Little-Endian Float */
if ((retval = nc_def_var(ncid, LE_FLOAT_VARNAME, NC_FLOAT, 1, &dimid, &le_float_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, le_float_varid, NC_ENDIAN_LITTLE)))
return retval;
/* Big-Endian Float */
if ((retval = nc_def_var(ncid, BE_FLOAT_VARNAME, NC_FLOAT, 1, &dimid, &be_float_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, be_float_varid, NC_ENDIAN_BIG)))
return retval;
/* Little-Endian Int */
if ((retval = nc_def_var(ncid, LE_INT_VARNAME, NC_INT, 1, &dimid, &le_int_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, le_int_varid, NC_ENDIAN_LITTLE)))
return retval;
/* Big-Endian Int */
if ((retval = nc_def_var(ncid, BE_INT_VARNAME, NC_INT, 1, &dimid, &be_int_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, be_int_varid, NC_ENDIAN_BIG)))
return retval;
/* Little-Endian Double */
if ((retval = nc_def_var(ncid, LE_DBL_VARNAME, NC_DOUBLE, 1, &dimid, &le_dbl_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, le_dbl_varid, NC_ENDIAN_LITTLE)))
return retval;
/* Big-Endian Double */
if ((retval = nc_def_var(ncid, BE_DBL_VARNAME, NC_DOUBLE, 1, &dimid, &be_dbl_varid)))
return retval;
if ((retval = nc_def_var_endian(ncid, be_dbl_varid, NC_ENDIAN_BIG)))
return retval;
if ((retval = nc_close(ncid)))
return retval;
}
/*
* 2. Reopen netcdf-generated file, check to see if the endianness attribute
* exists.
*/
printf("** Checking test files.\n");
{
ncid = 0;
le_float_varid = 0;
be_float_varid = 0;
le_int_varid = 0;
be_int_varid = 0;
le_dbl_varid = 0;
be_dbl_varid = 0;
printf("*** %s\n",FILE_NAME_NC);
if ((retval = nc_open(FILE_NAME_NC, NC_NETCDF4 | NC_NOWRITE, &ncid)))
return retval;
if ((retval = nc_inq_varid(ncid,LE_FLOAT_VARNAME,&le_float_varid)))
return retval;
if ((retval = nc_inq_varid(ncid,BE_FLOAT_VARNAME,&be_float_varid)))
return retval;
if ((retval = nc_inq_varid(ncid,LE_INT_VARNAME,&le_int_varid)))
return retval;
if ((retval = nc_inq_varid(ncid,BE_INT_VARNAME,&be_int_varid)))
return retval;
if ((retval = nc_inq_varid(ncid,LE_DBL_VARNAME,&le_dbl_varid)))
return retval;
if ((retval = nc_inq_varid(ncid,BE_DBL_VARNAME,&be_dbl_varid)))
return retval;
printf("\tLittle-Endian Float...\t");
if ((retval = nc_inq_var_endian(ncid,le_float_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_LITTLE) printf("passed\n"); else {printf("failed\n"); failures++;}
printf("\tBig-Endian Float...\t");
if ((retval = nc_inq_var_endian(ncid,be_float_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_BIG) printf("passed\n"); else {printf("failed\n"); failures++;}
printf("\tLittle-Endian Int...\t");
if ((retval = nc_inq_var_endian(ncid,le_int_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_LITTLE) printf("passed\n"); else {printf("failed\n"); failures++;}
printf("\tBig-Endian Int...\t");
if ((retval = nc_inq_var_endian(ncid,be_int_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_BIG) printf("passed\n"); else {printf("failed\n"); failures++;}
printf("\tLittle-Endian Double...\t");
if ((retval = nc_inq_var_endian(ncid,le_dbl_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_LITTLE) printf("passed\n"); else {printf("failed\n"); failures++;}
printf("\tBig-Endian Double...\t");
if ((retval = nc_inq_var_endian(ncid,be_dbl_varid,&ed)))
return retval;
if(ed == NC_ENDIAN_BIG) printf("passed\n"); else {printf("failed\n"); failures++;}
if ((retval = nc_close(ncid)))
return retval;
}
printf("** Failures Returned: [%d]\n",failures);
return failures;
}
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