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/*! Testing for proper read of little-endian variables in an hdf4 file.
*
* Added to debug issue NCF-332. Based on code submitted by
* https://github.com/Unidata/netcdf-c/issues/113.
*/
#include <stdio.h>
#include <config.h>
#include <unistd.h>
#include <nc_tests.h>
#include "err_macros.h"
#include <hdf5.h>
#include <H5DSpublic.h>
#include "mfhdf.h"
#define DIM1 5
#define DIM0 5
#define RANK 2
#define FILENAME "tst_h4_lendian.h4"
#define SDSNAME "data"
int read_hdf_file(int dtype) {
int ncid = 0;
int le_int16_varid = 0;
int retval = 0;
int ed = 0;
printf("\to Reading hdf4 file with a little-endian datatype %d\n",dtype);
printf("\t\to Opening file....\t\t\t\t\t");
retval = nc_open(FILENAME, NC_NETCDF4 | NC_NOWRITE, &ncid);
if(retval) {printf("Failure [%d]\n",retval); return retval;}
else {printf("Success\n");}
printf("\t\to Getting varid....\t\t\t\t\t");
retval = nc_inq_varid(ncid,SDSNAME,&le_int16_varid);
if(retval) {printf("Failure [%d]\n",retval); return retval;}
else {printf("Success\n");}
printf("\t\to Querying endianness of the variable....\t\t");
retval = nc_inq_var_endian(ncid,le_int16_varid,&ed);
if(retval) {printf("Failure [%d]\n",retval); return retval;}
else {printf("Success\n");}
printf("\t\to Checking that endianness is NC_ENDIAN_LITTLE....\t");
if (ed == NC_ENDIAN_LITTLE) printf("Success\n");
else {printf("Failure [%d]\n\n",ed); nc_close(ncid); return -1;}
printf("\t\to Closing file....\t\t\t\t\t");
retval = nc_close(ncid);
if(retval) {printf("Failure [%d]\n\n",retval); return retval;}
else {printf("Success\n\n");}
return 0;
}
int create_hdf_file(int dtype) {
int32 sd_id, sds_id, istat, sd_index;
int32 dims[2], start[2], edges[2], rank;
int16 array_data[DIM0][DIM1];
intn i, j, count;
start[0] = 0;
start[1] = 0;
edges[0] = DIM1;
edges[1] = DIM0;
/* populate data array */
count = 0;
for (j = 0; j < DIM0; j++)
{
for (i = 0; i < DIM1; i++)
array_data[j][i] = count++;
}
printf("\to Creating hdf4 file with little-endian datatype %d....\t",dtype);
sd_id = SDstart(FILENAME, DFACC_CREATE);
/* sds_id = SDcreate(sd_id, SDSNAME, DFNT_LITEND|dtype, RANK, edges); */
sds_id = SDcreate(sd_id, SDSNAME, dtype, RANK, edges);
istat = SDendaccess(sds_id);
if(istat) {printf("Failure %d\n", istat); SDend(sd_id); return istat;}
istat = SDend(sd_id);
if(istat) {printf("Failure %d\n", istat); SDend(sd_id); return istat;}
sd_id = SDstart(FILENAME, DFACC_WRITE);
sd_index = 0;
sds_id = SDselect(sd_id, sd_index);
istat = SDwritedata(sds_id, start, NULL, edges, (VOIDP)array_data);
if(istat) {printf("Failure %d\n", istat); SDend(sd_id); return istat;}
istat = SDendaccess(sds_id);
if(istat) {printf("Failure %d\n", istat); SDend(sd_id); return istat;}
istat = SDend(sd_id);
if(istat) {printf("Failure %d\n", istat); return istat;}
printf("Success\n");
return 0;
}
int test_read_write(int dtype) {
int res = 0;
res = create_hdf_file(dtype);
if(res) {unlink(FILENAME); return res;}
res = read_hdf_file(dtype);
unlink(FILENAME);
return res;
}
/*! Standard main function.
*
*/
int main() {
int res = 0;
printf("Test reading from an hdf4 file with a little-endian datatype.\n");
/* True Positives. */
res = test_read_write(DFNT_LINT8);
res = test_read_write(DFNT_LUINT8);
res = test_read_write(DFNT_LINT16);
res = test_read_write(DFNT_LUINT16);
res = test_read_write(DFNT_LINT32);
res = test_read_write(DFNT_LUINT32);
res = test_read_write(DFNT_LFLOAT32);
res = test_read_write(DFNT_LFLOAT64);
/* True Negatives. */
printf("\t**** Testing for True Negatives. THESE SHOULD FAIL.****\n\n");
res = test_read_write(DFNT_INT8);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_UINT8);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_INT16);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_UINT16);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_INT32);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_UINT32);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_FLOAT32);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
res = test_read_write(DFNT_FLOAT64);
if(!res) {printf("Should have failed. Error!\n"); return -1;}
printf("Finished.\n");
return 0;
}
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