#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2013, 2014 Laboratoire de Recherche et Développement
# de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
# Spot 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.
#
# Spot 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, see <http://www.gnu.org/licenses/>.

. ./defs

set -e

# Make sure degen-skip=0 and degen-skip=1 produce the expected
# automata for 'GFa & GFb'

../../bin/ltl2tgba -B 'GFa & GFb' > out1
../../bin/ltl2tgba -B -x degen-lskip=1 'GFa & GFb' > out2
../../bin/ltl2tgba -B -x degen-lskip=0 'GFa & GFb' > out3

diff out1 out2
cmp out2 out3 && exit 1

cat <<EOF >expected2
digraph G {
  0 [label="", style=invis, height=0]
  0 -> 1
  1 [label="0", peripheries=2]
  1 -> 1 [label="a & b\n{0}"]
  1 -> 2 [label="!a & b\n{0}"]
  1 -> 3 [label="!b\n{0}"]
  2 [label="1"]
  2 -> 1 [label="a"]
  2 -> 2 [label="!a"]
  3 [label="2"]
  3 -> 1 [label="a & b"]
  3 -> 2 [label="!a & b"]
  3 -> 3 [label="!b"]
}
EOF


cat <<EOF >expected3
digraph G {
  0 [label="", style=invis, height=0]
  0 -> 1
  1 [label="0", peripheries=2]
  1 -> 2 [label="1\n{0}"]
  2 [label="1"]
  2 -> 3 [label="b"]
  2 -> 2 [label="!b"]
  3 [label="2"]
  3 -> 1 [label="a"]
  3 -> 3 [label="!a"]
}
EOF

diff out2 expected2
diff out3 expected3