#! /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 || exit 1

set -e

cat >automaton <<EOF
HOA: v1
States: 4
Start: 0
AP: 3 "a" "b" "c"
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0
[0] 1
State: 1
[1] 2
[2] 2
State: 2 {0}
[1] 2
[0&1] 1
[1&2] 3
State: 3
[t] 3
--END--
EOF

cat >expected <<EOF
HOA: v1
name: "3->1"
States: 4
Start: 0
AP: 1 "c"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
--BODY--
State: 0
[t] 1
State: 1
[t] 2
[0] 2
State: 2 {0}
[t] 2
[t] 1
[0] 3
State: 3
[t] 3
--END--
EOF

run 0 autfilt -H --remove-ap=a,b --name='%X->%x' automaton >out
cat out
diff out expected

cat >expected <<EOF
HOA: v1
name: "\"a\", \"b\", \"c\"->(c)"
States: 3
Start: 0
AP: 1 "c"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[t] 1
State: 1
[0] 2
State: 2
--END--
EOF

run 0 autfilt -H --remove-ap=a=1,b=0 --name='%[d, ]X->%[p]x' automaton >out
cat out
diff out expected

autfilt -H --remove-ap=a==1 automaton 2>stderr && exit 1
grep "autfilt: unexpected '=' at position 2 in 'a==1'" stderr


cat >automaton <<EOF
HOA: v1
States: 1
Start: 0
AP: 3 "a" "b" "c"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc colored
properties: deterministic
--BODY--
State: 0 {0}
[1] 0
--END--
EOF

autfilt automaton --used-ap=1 --unused-ap=2 > output
diff automaton output

cat >expect <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc colored
properties: deterministic
--BODY--
State: 0 {0}
[0] 0
--END--
EOF

autfilt --remove-unused-ap automaton > output
diff output expect

autfilt output --used-ap=0..1 --unused-ap=0 > output2
diff output output2