#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2010, 2012, 2014 Laboratoire de Recherche et
# Développement de l'Epita (LRDE).
# Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
# et Marie Curie.
#
# 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

cat >input <<\EOF
acc = c d;
s1, "s2", "a&!b", c d;
"s2", "state 3", "\"F\\G\"", c;
"state 3", s1,,;
EOF

../ltl2tgba -b -X input > stdout

cat >expected <<\EOF
acc = "0" "1";
"0", "1", "a & !b", "0" "1";
"1", "2", "\"F\\G\"", "0";
"2", "0", "1",;
EOF

# Sort out some possible inversions in the output.
# (The order is not guaranteed by SPOT.)
sed 's/"d" "c"/"c" "d"/g;s/!b & a/a \& !b/g' stdout > tmp_ && mv tmp_ stdout

diff stdout expected

mv stdout input
run 0 ../ltl2tgba -b -X input > stdout

# Sort out some possible inversions in the output.
# (The order is not guaranteed by SPOT.)
sed 's/"d" "c"/"c" "d"/g;s/!b & a/a \& !b/g' stdout > tmp_ && mv tmp_ stdout

diff input stdout

rm -f input stdout expected

# Transition merging
cat >input <<\EOF
acc = c;
s1, s2, "a&!b", c;
s1, s2, "b&a", c;
s1, s2, "!b", ;
s2, s1, "!b", ;
s2, s1, "a&!b", c;
s2, s1, "b&a", c;
EOF

cat >expected <<\EOF
acc = "0";
"0", "1", "!b",;
"0", "1", "a", "0";
"1", "0", "!b",;
"1", "0", "a", "0";
EOF

run 0 ../ltl2tgba -b -X input > stdout
# FIXME: use are-isomorphic once it is available
diff stdout expected

# Likewise, with a randomly generated TGBA.
run 0 ../randtgba -t 1 -n 20 -d 0.2 a b -a 2 0.1 >input
sed 's/"b & a"/"a \& b"/g;s/"a1" "a0"/"a0" "a1"/g' input > tmp_ &&
  mv tmp_ input
cat input
# the first read-write can renumber the states
run 0 ../ltl2tgba -b -X input > stdout
sed 's/"b & a"/"a \& b"/g;s/"a1" "a0"/"a0" "a1"/g' stdout > tmp_ &&
mv tmp_ stdout
test `wc -l < input` = `wc -l < stdout`
# But this second shout output the same as the first
run 0 ../ltl2tgba -b -X input > stdout2
sed 's/"b & a"/"a \& b"/g;s/"a1" "a0"/"a0" "a1"/g' stdout2 > tmp_ &&
mv tmp_ stdout2
diff stdout stdout2

rm -f input stdout stdout2


# Check the position of syntax errors in the diagnostics:
cat >input <<\EOF
acc = "c" "d";
"s1", "s2", "a & !b", "c" "d";
"s2", "state 3", "a &&", "c";
"state 3", "s1", "1)",;
EOF

run 2 ../ltl2tgba -b -X input > stdout 2>stderr
cat stderr
grep input: stderr > stderrfilt

cat >expected <<EOF
input:3.23-22: syntax error, unexpected end of formula
input:3.21-22: missing right operand for "and operator"
input:4.20: syntax error, unexpected closing parenthesis
input:4.20: ignoring trailing garbage
EOF

diff stderrfilt expected

# The diagnostic should be the same with DOS input
sed 's/$/\r/' input > input.dos
mv input.dos input
run 2 ../ltl2tgba -b -X input > stdout 2>stderr
cat stderr
grep input: stderr > stderrfilt
diff stderrfilt expected