#!/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

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

ltl2tgba -B 'GFa & GFb' --hoa > out1
ltl2tgba -B -x degen-lskip=1 'GFa & GFb' --hoa > out2
ltl2tgba -B -x degen-lskip=0 'GFa & GFb' --hoa > out3
ltl2tgba -B -x degen-lskip=1,degen-lowinit=1 'GFa & GFb' --hoa > out4
ltl2tgba -B -x degen-lskip=0,degen-lowinit=1 'GFa & GFb' --hoa > out5

diff out1 out2
cmp out2 out3 && exit 1

cat <<EOF >expected2
HOA: v1
name: "G(Fa & Fb)"
States: 3
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[0&1] 0
[!1] 1
[!0&1] 2
State: 1
[0&1] 0
[!1] 1
[!0&1] 2
State: 2
[0] 0
[!0] 2
--END--
EOF


cat <<EOF >expected3
HOA: v1
name: "G(Fa & Fb)"
States: 3
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[t] 1
State: 1
[!1] 1
[1] 2
State: 2
[0] 0
[!0] 2
--END--
EOF

cat <<EOF >expected4
HOA: v1
name: "G(Fa & Fb)"
States: 3
Start: 1
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0&1] 0
[!1] 1
[!0&1] 2
State: 1
[0&1] 0
[!1] 1
[!0&1] 2
State: 2
[0] 0
[!0] 2
--END--
EOF

cat <<EOF >expected5
HOA: v1
name: "G(Fa & Fb)"
States: 3
Start: 2
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 2
State: 1
[0] 0
[!0] 1
State: 2
[1] 1
[!1] 2
--END--
EOF


run 0 autfilt -q -F out2 --isomorph expected2
run 0 autfilt -q -F out3 --isomorph expected3

cat out4 out5

autfilt -q out4 --isomorph expected2 && exit 1
autfilt -q out5 --isomorph expected3 && exit 1

autfilt -q out4 --isomorph expected4
autfilt -q out5 --isomorph expected5