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