From fe8085484038b83d431459ac7fc3980cbbac9137 Mon Sep 17 00:00:00 2001 From: dufourj Date: Sun, 9 Apr 2006 15:53:14 +0000 Subject: Data: - ajout du buffer circulaire (enfin !) --- i/marvin/src/data/test_data_circular_buffer.cc | 92 ++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 i/marvin/src/data/test_data_circular_buffer.cc (limited to 'i/marvin/src/data/test_data_circular_buffer.cc') diff --git a/i/marvin/src/data/test_data_circular_buffer.cc b/i/marvin/src/data/test_data_circular_buffer.cc new file mode 100644 index 0000000..9bdc063 --- /dev/null +++ b/i/marvin/src/data/test_data_circular_buffer.cc @@ -0,0 +1,92 @@ +// 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; +} + -- cgit v1.2.3