source: trunk/test/color_test.cc @ 1127

// $Id: color_test.cc 1127 2010-07-15 22:01:38Z peter $

/*
  Copyright (C) 2009 Jari Häkkinen, Peter Johansson
  Copyright (C) 2010 Peter Johansson

  This file is part of svndigest, http://dev.thep.lu.se/svndigest

  svndigest 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 3 of the License, or
  (at your option) any later version.

  svndigest 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 svndigest. If not, see <http://www.gnu.org/licenses/>.
*/

#include "lib/Colors.h"

#include <iostream>
#include <sstream>

int main(int argc, char* argv[])
{
  using namespace theplu::svndigest;
  bool ok=true;

  // The loop adds new authors to the author color map until all
  // colors are use. The color map contains 12 colors and black
  // (total 13). The loop is 14 iterations and therefore the first
  // color is reused for the last author. This test checks that
  // colors are reused. If the color map size changes, then the loop
  // must be adjusted accordingly
  unsigned char r_first, g_first, b_first;
  r_first = g_first = b_first = '\0';
  unsigned char r, g, b;
  for (unsigned int i=0; i<14; ++i) {
    std::stringstream ss;
    ss << i;
    Colors::instance().get_color(ss.str(), r, g, b);
    if (!i) r_first=r, g_first=g, b_first=b;  // remember first color
  }
  // Test first and last color, expected to be the same.
  if (r!=r_first || g!=g_first || b!=b_first) {
    ok=false;
    std::cerr << "Expected r,g,b "
              << static_cast<int>(r_first) << ','
              << static_cast<int>(g_first) << ','
              << static_cast<int>(b_first) << std::endl;
    std::cerr << "     got r,g,b "
              << static_cast<int>(r) << ','
              << static_cast<int>(g) << ','
              << static_cast<int>(b) << std::endl;
  }

  if (ok)
    return 0;
  return -1;
}