source: trunk/test/graph.cc @ 1188

// $Id: graph.cc 1188 2010-09-01 01:28:19Z peter $

/*
  Copyright (C) 2010 Jari Häkkinen, 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 "Suite.h"

#include "lib/Graph.h"
#include "lib/Vector.h"

#include <cstdlib>
#include <ostream>

using namespace theplu::svndigest;

void test_graph(const std::string format, test::Suite& suite);
void test_graph__(const std::string format, test::Suite& suite);

int main(int argc, char* argv[])
{
  test::Suite suite(argc, argv);

#ifndef HAVE_PLPLOT
  suite.out() << "no plplot: skip test\n";
  exit(EXIT_SKIP);
#endif

  test_graph("svg", suite);
  // Need to create an instance of Graph (plstream) since there is a
  // bug in plplot with dynamic loading of runtime libraries. The
  // issue is reported in the plplot issue tracking system
  // https://sf.net/tracker/?func=detail&aid=3009045&group_id=2915&atid=102915
  // and as http://dev.thep.lu.se/svndigest/ticket/472. Simply remove
  // this comment and the next line of code when plplot developers
  // fixes their bug.
  //
  // Omitting the dummy instance will cause segmentation fault.
  Graph dummy_never_used("/dev/null", "png");
  test_graph("png", suite);
  test_graph("pdf", suite);

  return suite.exit_status();
}


void test_graph(const std::string format, test::Suite& suite)
{
  suite.out() << "testing " << format << std::endl;
  for (size_t i=0; i<20; ++i)
    test_graph__(format, suite);
}


void test_graph__(const std::string format, test::Suite& suite)
{
  std::string filename("plot.");
  filename+=format;
  Graph graph(filename, format);
  graph.ymax(10);
  graph.current_color(255, 0, 0);
  SumVector data;
  data.set(99,1);
  graph.plot(data, "label", 1);
}