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/*
* $Id: test.c,v 1.7 2003/11/27 13:02:56 radim Exp $
*
****************************************************************************
*
* MODULE: Vector library
*
* AUTHOR(S): Original author CERL, probably Dave Gerdes.
* Update to GRASS 5.7 Radim Blazek.
*
* PURPOSE: Lower level functions for reading/writing/manipulating vectors.
*
* COPYRIGHT: (C) 2001 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
*****************************************************************************/
#include <stdio.h>
#include "Vect.h"
/* Test portable r/w functions */
#define D_TEST 1.3333
#define L_TEST 123456789
#define S_TEST 12345
#define C_TEST 123
int
main (int argc, char **argv)
{
int i, j;
int err = 0;
int byte_order;
struct Port_info port;
GVFILE fp;
double db, td[] = { -(PORT_DOUBLE_MAX), -(D_TEST), -(PORT_DOUBLE_MIN),
0, PORT_DOUBLE_MIN, D_TEST, PORT_DOUBLE_MAX };
float fb, tf[] = { -(PORT_FLOAT_MAX), -(D_TEST), -(PORT_FLOAT_MIN),
0, PORT_FLOAT_MIN, D_TEST, PORT_FLOAT_MAX };
long lb, tl[] = { PORT_LONG_MIN, -(L_TEST), 0, L_TEST, PORT_LONG_MAX };
int ib, ti[] = { PORT_INT_MIN, -(L_TEST), 0, L_TEST, PORT_INT_MAX };
short sb, ts[] = { PORT_SHORT_MIN, -(S_TEST), 0, S_TEST, PORT_SHORT_MAX };
char cb, tc[] = { PORT_CHAR_MIN, -(C_TEST), 0, C_TEST, PORT_CHAR_MAX };
if (NULL == (fp.file = fopen ("test.tmp", "wb+")))
{
fprintf (stderr, "ERROR, cannot open test.tmp file.\n");
return (1);
}
fp.loaded = 0;
dig_set_cur_port (&port);
byte_order = ENDIAN_LITTLE;
for ( i = 0; i < 2; i++ )
{
dig_init_portable ( &(port), byte_order );
for (j=0; j < 7; j++)
{
fprintf (fp.file, "double ");
dig__fwrite_port_D ( &(td[j]), 1, &fp);
dig_fseek (&fp, -(PORT_DOUBLE), SEEK_CUR);
dig__fread_port_D (&db, 1, &fp);
dig_fflush(&fp);
if ( db != td[j] )
{
fprintf (stderr, "ERROR in read/write portable double, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %.16e3E\n Read : %.16e3E\n", td[j], db);
err = 1;
}
}
for (j=0; j < 7; j++)
{
fprintf (fp.file, "float ");
dig__fwrite_port_F ( &(tf[j]), 1, &fp);
dig_fseek (&fp, -(PORT_FLOAT), SEEK_CUR);
dig__fread_port_F (&fb, 1, &fp);
dig_fflush(&fp);
if ( fb != tf[j] )
{
fprintf (stderr, "ERROR in read/write portable float, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %.8e3E\n Read : %.8e3E\n", tf[j], fb);
err = 1;
}
}
for (j=0; j < 5; j++)
{
fprintf (fp.file, "long ");
dig__fwrite_port_L ( &(tl[j]), 1, &fp);
dig_fseek (&fp, -(PORT_LONG), SEEK_CUR);
dig__fread_port_L (&lb, 1, &fp);
dig_fflush(&fp);
if ( lb != tl[j] )
{
fprintf (stderr, "ERROR in read/write portable long, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %ld\n Read : %ld\n", tl[j], lb);
err = 1;
}
}
for (j=0; j < 5; j++)
{
fprintf (fp.file, "int ");
dig__fwrite_port_I ( &(ti[j]), 1, &fp);
dig_fseek (&fp, -(PORT_INT), SEEK_CUR);
dig__fread_port_I (&ib, 1, &fp);
dig_fflush(&fp);
if ( ib != ti[j] )
{
fprintf (stderr, "ERROR in read/write portable int, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %d\n Read : %d\n", ti[j], ib);
err = 1;
}
}
for (j=0; j < 5; j++)
{
fprintf (fp.file, "short ");
dig__fwrite_port_S ( &(ts[j]), 1, &fp);
dig_fseek (&fp, -(PORT_SHORT), SEEK_CUR);
dig__fread_port_S (&sb, 1, &fp);
dig_fflush(&fp);
if ( sb != ts[j] )
{
fprintf (stderr, "ERROR in read/write portable short, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %d\n Read : %d\n", ts[j], sb);
err = 1;
}
}
for (j=0; j < 5; j++)
{
fprintf (fp.file, "char ");
dig__fwrite_port_C ( &(tc[j]), 1, &fp);
dig_fseek (&fp, -(PORT_CHAR), SEEK_CUR);
dig__fread_port_C (&cb, 1, &fp);
dig_fflush(&fp);
if ( cb != tc[j] )
{
fprintf (stderr, "ERROR in read/write portable char, byte_order = %d\n", byte_order);
fprintf (stderr, " Written: %d\n Read : %d\n", tc[j], cb);
err = 1;
}
}
byte_order = ENDIAN_BIG;
}
fclose ( fp.file );
return ( err );
}
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