// test_data_circular_buffer.cc // marvin - programme du robot 2006. {{{ // // Copyright (C) 2006 Dufour Jérémy // // Robot APB Team/Efrei 2004. // Web: http://assos.efrei.fr/robot/ // Email: robot AT efrei DOT fr // // 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. // // }}} #include "data_circular_buffer.hh" #include #include #include #include #define MAX_SIZE_BUFF 101 #define MAX_SIZE_CIRC 99 unsigned randVal (double max) { return 1 + (int) (max * std::rand () / (RAND_MAX + 1.0)); } int main (void) { // Init random std::srand (std::time (NULL)); try { DataCircularBuffer d (MAX_SIZE_CIRC); uint8_t buffOrig[MAX_SIZE_BUFF]; uint8_t buffRes[MAX_SIZE_BUFF]; int i, compt, tmp; // Fill buffer for (i = 0; i < MAX_SIZE_BUFF; i++) memset (&buffOrig[i], i, 1); // Fill circular buffer compt = 0; for (i = 0; i < 42; i++) { tmp = randVal (MAX_SIZE_BUFF - compt); d.write (&buffOrig[compt], tmp); compt = (tmp + compt) % MAX_SIZE_BUFF; } // Read compt = 0; unsigned res; do { tmp = randVal (7.); res = d.read (&buffRes[compt], tmp); compt += tmp; } while (res != 0); // Compare for (i = 0; i < MAX_SIZE_CIRC - 1; i++) { if (buffRes [i] != buffOrig [(buffRes[0] +i) % MAX_SIZE_BUFF]) throw std::runtime_error ("Test failed !"); } } catch (const std::exception &e) { std::cerr << e.what () << std::endl; return 1; } return 0; }