#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2011, 2014, 2015, 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 >input <<EOF
GFa
FGa
<>p1->p0
<>p1->(p0 U p1)
[](p0-><>p3)
a U b
GFa&&FGa
[] ((p2 && ! p1) -> (p0 U (p1 || [] p0)))
[] (p2 -> ((! p0 && ! p1) U (p1 || ((p0 && ! p1) U (p1 || ((! p0 && ! p1) \
 U (p1 || ((p0 && ! p1) U ((p1 || (! p0 U (p1 || [] ! p0))) || [] p0)))))))))
EOF

ltlcross -F input 'ltl2tgba --generic -D' --csv=out.csv

# Make sure all the automata produced where deterministic
cut -d, -f12 < out.csv > det.csv
cat >expected <<EOF
"nondet_aut"
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EOF

diff det.csv expected

# The following test-case was supplied by Martin Dieguez Lodeiro to
# demonstrate a bug in our first Safra implementation.  It has now
# been adapted to our new determinization function, just in case.
cat >x.hoa <<EOF
HOA: v1
States: 3
Start: 0
AP: 1 "p"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
--BODY--
State: 0
[t] 0
[0] 1
State: 1
[t] 1
[0] 2 {0}
State: 2
[t] 1
[0] 2 {0}
--END--
EOF

run 0 autfilt -D x.hoa > x2.hoa
# x.hoa accepts some run
run 0 autfilt -q -v --is-empty x.hoa
run 0 autfilt -q -v --is-empty x2.hoa
# so does its complement
run 0 autfilt -q -v --is-empty --complement x2.hoa > x3.hoa
# however the intersection of both should not
# accept any run.
run 1 autfilt -q --intersect x2.hoa x3.hoa

: