#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2016 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 >alt.hoa <<EOF
HOA: v1.1
States: 7
Start: 0
acc-name: co-Buchi
Acceptance: 1 Fin(0)
AP: 2 "b" "a"
properties: trans-labels explicit-labels state-acc univ-branch very-weak
spot.highlight.edges: 2 5 7 2
--BODY--
State: 0 "((((a) U (b)) && GF(b)) && FG(a))"
 [(0)] 3&1
 [(!0 & 1)] 5&3&1
State: 1 "FG(a)" {0}
 [(1)] 2
 [t] 1
State: 2 "G(a)"
 [(1)] 2
State: 3 "GF(b)"
 [(0)] 3
 [(!0)] 4&3
State: 4 "F(b)" {0}
 [(0)] 6
 [(!0)] 4
State: 5 "((a) U (b))" {0}
 [(0)] 6
 [(!0 & 1)] 5
State: 6 "t"
 [t] 6
--END--
EOF

# The 's' option should be ignored for alternating automata
autfilt --dot=bans alt.hoa >alt.dot

cat >expect.dot <<EOF
digraph G {
  rankdir=LR
  label="Fin(⓿)"
  labelloc="t"
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="((((a) U (b)) && GF(b)) && FG(a))"]
  0 -> -1 [label="b", dir=none]
    -1[label=<>,width=0,height=0,shape=none]
    -1 -> 3
    -1 -> 1
  0 -> -4 [label="a & !b", style=bold, color="#F15854", dir=none]
    -4[label=<>,width=0,height=0,shape=none]
    -4 -> 5 [style=bold, color="#F15854"]
    -4 -> 3 [style=bold, color="#F15854"]
    -4 -> 1 [style=bold, color="#F15854"]
  1 [label="FG(a)\n⓿"]
  1 -> 2 [label="a"]
  1 -> 1 [label="1"]
  2 [label="G(a)"]
  2 -> 2 [label="a"]
  3 [label="GF(b)"]
  3 -> 3 [label="b"]
  3 -> -8 [label="!b", style=bold, color="#FAA43A", dir=none]
    -8[label=<>,width=0,height=0,shape=none]
    -8 -> 4 [style=bold, color="#FAA43A"]
    -8 -> 3 [style=bold, color="#FAA43A"]
  4 [label="F(b)\n⓿"]
  4 -> 6 [label="b"]
  4 -> 4 [label="!b"]
  5 [label="((a) U (b))\n⓿"]
  5 -> 6 [label="b"]
  5 -> 5 [label="a & !b"]
  6 [label="t"]
  6 -> 6 [label="1"]
}
EOF

diff expect.dot alt.dot