#!/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

randaut a b -Q5 --hoa > aut1
randaut a b c -Q10 --hoa > aut2
autfilt --randomize aut1 --hoa > rand11
autfilt --randomize --seed=1 aut1 --hoa > rand12
autfilt --randomize --seed=2 aut1 --hoa > rand13
autfilt --randomize aut2 --hoa > rand21
autfilt --randomize --seed=1 aut2 --hoa > rand22
autfilt --randomize --seed=2 aut2 --hoa > rand23

cat aut1 aut2 > aut
cat aut1 aut2 rand11 rand12 rand13 rand21 rand22 rand23 > all
autfilt all --uniq --hoa > out
diff aut out


run 0 randaut -Hl -u -n 4 -Q1 a b | LC_ALL=C sort |
      autfilt -H | grep '&' > out
cat >expected <<EOF
[!0&!1] 0
[!0&1] 0
[0&!1] 0
[0&1] 0
EOF
diff out expected

# This should fail: the random automaton generator can only generate 4
# different one-state automaton with two atomic propositions.
randaut -Hl -u -n 5 -Q1 a b >out 2>stderr && exit 1
test $? = 2
grep 'failed to generate a new unique automaton' stderr
test 4 = `wc -l < out`