/* Test Pointset_Powerset<PH>::
          Pointset_Powerset(Congruence_System).
   Copyright (C) 2001-2009 Roberto Bagnara <bagnara@cs.unipr.it>

This file is part of the Parma Polyhedra Library (PPL).

The PPL 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.

The PPL 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://www.cs.unipr.it/ppl/ . */

#include "ppl_test.hh"

namespace {

bool
test01() {
  Congruence_System cs;
  Pointset_Powerset<C_Polyhedron> ps(cs);

  bool ok = (ps.OK() && ps.is_universe() && ps.space_dimension() == 0);

  return ok;
}

bool
test02() {
  Variable A(0);
  Variable B(1);

  Congruence_System cs;
  cs.insert((A %= -1) / 0);
  cs.insert((B %= 1) / 0);
  Pointset_Powerset<C_Polyhedron> ps(cs);

  bool ok = (ps.OK() && !ps.is_universe() && ps.space_dimension() == 2);

  return ok;
}

bool
test03() {
  Variable A(0);
  Variable B(1);
  Variable C(2);

  Congruence_System cs;
  cs.insert((A %= -1) / 0);
  cs.insert((B %= 1)/ 0);
  cs.insert((C %= 2) / 0);
  cs.insert((C %= 1) / 0);
  Pointset_Powerset<C_Polyhedron> ps(cs);

  bool ok = (ps.OK() && ps.is_empty() && ps.space_dimension() == 3);

  return ok;
}

} // namespace

BEGIN_MAIN
  DO_TEST(test01);
  DO_TEST(test02);
  DO_TEST(test03);
END_MAIN
