#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2015, 2016, 2021 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

cat >input1 <<EOF
HOA: v1
States: 4
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[0] 1 {0}
[1] 2 {1}
State: 1
[0] 2
[0] 3 {1}
State: 2
[1] 1
[1] 3 {0}
State: 3
[0] 3 {0 1}
--END--
EOF

cat >expect1 <<EOF
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
--END--
EOF

run 0 autfilt --keep-states=0 input1 -H >output
diff output expect1

run 0 autfilt --keep-states=1 input1 -H >output
diff output expect1

cat >expect3 <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[0] 1 {0}
[1] 2 {1}
State: 1
[0] 2
State: 2
[1] 1
--END--
EOF

cat >expect4 <<EOF
HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[0] 1
State: 1
[1] 0
--END--
EOF

cat >expect5 <<EOF
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc deterministic
properties: stutter-invariant weak
--BODY--
State: 0
--END--
EOF

run 0 autfilt --keep-states=0,1,2 input1 -H >output
diff output expect3
run 0 autfilt --keep-states=0,9999,1,2 input1 -H >output
diff output expect3
run 0 autfilt --kill-states=99,3 input1 -H >output
diff output expect3

run 0 autfilt --keep-states=1,2,0 input1 -H >output
diff output expect4

run 0 autfilt --kill-states=1,2 --kill-states=0 input1 -H >output
diff output expect5
run 0 autfilt --kill-states=0 input1 -H >output
diff output expect5

# make sure the complete property is reset
ltl2tgba 'GF(a<->Xa)' | autfilt --kill-state=1 | grep -v complete

# Errors
run 2 autfilt --keep-states=a3 input1 2> error
cat error
grep 'failed to parse' error
run 2 autfilt --keep-states=3-2 input1 2> error
cat error
grep 'non-negative: --keep-states' error

run 2 autfilt --kill-states=a3 input1 2> error
cat error
grep 'failed to parse' error
run 2 autfilt --kill-states=3-2 input1 2> error
cat error
grep 'non-negative: --kill-states' error