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// test_data_buffer.cc
// robert - programme du robot 2005. {{{
//
// Copyright (C) 2005 Dufour J�r�my
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// Contact :
//        Web: %WEB%
//      Email: <dufourj@efrei.fr>
// }}}

#include "data_buffer.hh"

#include <iostream>
#include <stdexcept>
#include <unistd.h>

void
check_data (uint8_t *b1, uint8_t *b2, unsigned size)
{
    for (unsigned i = 0; i < size; i ++)
	if (b1[i] != b2[i])
	    throw std::runtime_error ("Erreur, buffers invalides");
}

int
main (int argc, char **argv)
{
    try
      {
	DataBuffer d;
	uint8_t bufW[100];
	uint8_t bufR[150];
	// Remplissage des buffers de test
	memset (bufW, 42, 100);
	memset (bufR, 1, 150);
	// On en �crit 50
	d.write (bufW, 50);
	// On en lit 42
	if (d.read (bufR, 42) == 42)
	    check_data (bufW, bufR, 42);
	else
	    throw std::runtime_error ("Erreur de taille de donn�es");
	// On en re �crit 50
	d.write (&bufW[50], 50);
	unsigned pos = 42;
	unsigned status;
	// On lit jusqu'� la fin
	do
	  {
	    status = d.read (&bufR[pos], 10);
	    if (status)
		check_data (&bufW[pos], &bufR[pos], status);
	    pos += status;
	  } while (status);
	// On v�rifie que tout a �t� bien lue
      }
    catch (const std::runtime_error &r)
      {
	std::cerr << r.what () << std::endl;
	return 1;
      }
    return 0;
}