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#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2014 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

ltl2tgba=../../bin/ltl2tgba
autfilt=../../bin/autfilt

$ltl2tgba --hoa 'Ga | Gb | Gc | Gd' > out

cat >expected <<EOF
HOA: v1
name: "Ga | Gb | Gc | Gd"
States: 5
Start: 0
AP: 4 "a" "b" "c" "d"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
[0] 1
[1] 2
[2] 3
[3] 4
State: 1
[0] 1
State: 2
[1] 2
State: 3
[2] 3
State: 4
[3] 4
--END--
EOF

diff out expected

# The seed and formula where chosen so that these four outputs are
# different.
run 0 $autfilt --seed=1 --dot out > 1.dot
run 0 $autfilt --seed=1 --dot --randomize=t out > 2.dot
run 0 $autfilt --seed=1 --dot --randomize=s out > 3.dot
run 0 $autfilt --seed=1 --dot --randomize=st out > 4.dot

cmp 1.dot 2.dot && exit 1
cmp 1.dot 3.dot && exit 1
cmp 2.dot 3.dot && exit 1
cmp 2.dot 4.dot && exit 1
cmp 3.dot 4.dot && exit 1

# A second run should produce the same output
$autfilt --seed=1 --dot out > 1b.dot
$autfilt --seed=1 --dot --randomize=t out > 2b.dot
$autfilt --seed=1 --dot --randomize=s out > 3b.dot
$autfilt --seed=1 --dot --randomize=st out > 4b.dot
diff 1.dot 1b.dot
diff 2.dot 2b.dot
diff 3.dot 3b.dot
diff 4.dot 4b.dot

$autfilt --randomize=foo out 2>stderr && exit 1
grep "unknown argument for --randomize: 'f'" stderr