#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) by the Spot authors, see the AUTHORS file for details.
#
# 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

test 11 -eq `genltl --dac | ltlfilt --syntactic-safety -c`
test 37 -eq `genltl --dac | ltlfilt --safety -c`
test 'Fp0' = `genltl --dac | ltlfilt --syntactic-guarantee`
test 'Fp0' = `genltl --dac | ltlfilt --guarantee`
test 25 -eq `genltl --dac | ltlfilt --syntactic-obligation -c`
test 40 -eq `genltl --dac | ltlfilt --obligation -c`
test 47 -eq `genltl --dac | ltlfilt --syntactic-recurrence -c`
test 52 -eq `genltl --dac | ltlfilt --recurrence -c`
test 29 -eq `genltl --dac | ltlfilt --syntactic-persistence -c`
test 41 -eq `genltl --dac | ltlfilt --persistence -c`
test 'G!p0 | F(p0 & (!p1 W p2))' = "`genltl --dac |
     ltlfilt -v --obligation | ltlfilt --persistence`"
test 12 -eq `genltl --dac |
     ltlfilt -v --obligation | ltlfilt --recurrence -c`

# There are only 3 formula that are not recurrence in the DAC set.
test 3 -eq `genltl --dac | ltlfilt --recurrence -v -c`

# There are only 3 formula that we cannot convert to DBA.
test 3 -eq `genltl --dac | ltl2tgba -G -D -S |
     autfilt --generalized-rabin | dstar2tgba |
     autfilt --is-deterministic -v -c`

test "$(echo $(genltl --dac --format='%h') | sed 's/ //g')" = \
     SSSSSGSOSRSSSSSSSSSSSSPSSRSRSRSSSSSSSSSSRORRRRSRSTRSRST


# Implementations of uniq differ in the number of leading spaces, so
# we remove them all.
genltl --dac --format='%[vw]h' | sort | uniq -c |
    sed 's/^ *\([0-9][0-9]*\)  */\1 /g' >out
cat >expected <<EOF
1 guarantee obligation persistence recurrence reactivity
2 obligation persistence recurrence reactivity
1 persistence reactivity
2 reactivity
12 recurrence reactivity
37 safety obligation persistence recurrence reactivity
EOF
diff out expected


test B = `ltlfilt --format=%h -f '(Gb R (b xor Gb)) W (a W Xa)'`
ltlfilt -q --safety --guarantee -f '(Gb R (b xor Gb)) W (a W Xa)'

# make sure SPOT_PR_CHECK is read.
randltl -n -1 a b c | ltlfilt -v --syntactic-safety --syntactic-guarantee \
  --syntactic-obligation --syntactic-recurrence --syntactic-persistence \
  -n 500 > res
SPOT_PR_CHECK=x ltlfilt res --recurrence 2>err && exit 1
SPOT_PR_CHECK=9 ltlfilt res --recurrence 2>err && exit 1
grep SPOT_PR_CHECK err

# Testing Recurrence.
ltlfilt res --recurrence > r0
for i in 1 2 3; do
    SPOT_PR_CHECK=$i ltlfilt res --recurrence > r$i
done
diff r0 r2
diff r1 r2
diff r2 r3
ltlfilt res -o %h.ltl
cat R.ltl O.ltl G.ltl S.ltl B.ltl | sort > rogsb.ltl
sort r2 > r3
diff r3 rogsb.ltl

# Testing Persistence.
ltlfilt res --persistence > p0
for i in 1 2 3; do
  SPOT_PR_CHECK=$i ltlfilt res --persistence > p$i
done
diff p0 p2
diff p1 p2
diff p2 p3
ltlfilt res -o %h.ltl
cat P.ltl O.ltl G.ltl S.ltl B.ltl | sort > pogsb.ltl
sort p2 > p3
diff p3 pogsb.ltl

exit 0