#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2011, 2012, 2014, 2015, 2016 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

divine compile > output 2>&1

if grep -i -- --ltsmin output; then
  :
else
  echo "divine not installed, or no ltsmin interface"
  exit 77
fi

set -e

for opt in '' '-z'; do
  # The three examples from the README.
  # (Don't run the first one using "run 0" because it would take too much
  # time with valgrind.).

  ../modelcheck $opt -E $srcdir/beem-peterson.4.dve \
    '!GF(P_0.CS|P_1.CS|P_2.CS|P_3.CS)' \
    | grep -v pages > stdout1
  # same formula, different syntax.
  ../modelcheck $opt -E $srcdir/beem-peterson.4.dve \
    '!GF("P_0==CS"|"P_1 == CS"|"P_2 ==CS"|"P_3==  CS")' \
    | grep -v pages > stdout2
  cmp stdout1 stdout2
  run 0 ../modelcheck $opt -e $srcdir/beem-peterson.4.dve \
    '!G(P_0.wait -> F P_0.CS)'
  run 0 ../modelcheck $opt -e $srcdir/beem-peterson.4.dve '!G("pos[1] < 3")'
done

# Now check some error messages.
run 1 ../modelcheck foo.dve "F(P_0.CS)" 2>stderr
cat stderr
grep 'Cannot open' stderr
# the dve2C file was generated in the current directory
run 1 ../modelcheck beem-peterson.4.dve2C \
        'Xfoo | P_0.f & X"P_0.k < 2xx" | G"pos[0]"' 2>stderr
cat stderr
grep 'variable `foo' stderr
grep "state \`f'.*P_0" stderr
grep "Unexpected.*\`xx'" stderr
grep 'Possible.*CS' stderr
grep 'Possible.*NCS' stderr
grep 'Possible.*q2' stderr
grep 'Possible.*q3' stderr
grep 'Possible.*wait' stderr
