spot/tests/python/misc-ec.py
Alexandre Duret-Lutz d6d987bd96 emptiness checks: replace assert-preconditions by exceptions
* spot/twaalgos/couvreurnew.cc, spot/twaalgos/gv04.cc,
spot/twaalgos/magic.cc, spot/twaalgos/se05.cc, spot/twaalgos/tau03.cc,
spot/twaalgos/tau03opt.cc: Throw if precondition on acceptance
condition is not satisfied.
* tests/python/misc-ec.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the change.
2017-03-10 15:41:57 +01:00

47 lines
1.6 KiB
Python

# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017 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/>.
import spot
aut = spot.translate("G(p0 | (p0 R Xp0) | XF(!p0 & p1))", 'BA')
ec = spot.make_emptiness_check_instantiator('SE05')[0].instantiate(aut)
n = 0
while True:
res = ec.check()
if not res:
break
print(res.accepting_run())
n += 1
assert n == 2
for name in ['SE05', 'CVWY90', 'GV04']:
aut = spot.translate("GFa && GFb")
try:
ec = spot.make_emptiness_check_instantiator(name)[0].instantiate(aut)
print(ec.check().accepting_run())
except RuntimeError as e:
assert "Büchi or weak" in str(e)
aut = spot.translate("a", 'monitor')
try:
ec = spot.make_emptiness_check_instantiator('Tau03')[0].instantiate(aut)
except RuntimeError as e:
assert "at least one" in str(e)
aut = spot.translate("a", 'ba')
ec = spot.make_emptiness_check_instantiator('Tau03')[0].instantiate(aut)