028b56d511
Fixes #337. * spot/twaalgos/emptiness.cc, spot/twaalgos/emptiness.hh: Here. * tests/python/except.py: Test it. * NEWS: Mention the issue.
77 lines
2 KiB
Python
77 lines
2 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2018 Laboratoire de Recherche et Développement de
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# l'Epita (LRDE).
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#
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# This file is part of Spot, a model checking library.
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#
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# Spot is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Spot is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test some function that must return exceptions on error. Doing
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# so is mostly a way to improve the coverage report.
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import spot
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try:
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spot.iar(spot.translate('GFa & GFb & GFc'))
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except RuntimeError as e:
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assert 'iar() expects Rabin-like or Streett-like input' in str(e)
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alt = spot.dualize(spot.translate('FGa | FGb'))
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try:
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spot.tgba_determinize(alt)
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except RuntimeError as e:
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assert 'tgba_determinize() does not support alternation' in str(e)
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aut = spot.translate('a U b U c')
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aps = aut.ap()
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rem = spot.remove_ap()
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rem.add_ap('"a"=0,b')
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aut = rem.strip(aut)
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assert aut.ap() == aps[2:]
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try:
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rem.add_ap('"a=0,b')
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except ValueError as e:
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assert """missing closing '"'""" in str(e)
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try:
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rem.add_ap('a=0=b')
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except ValueError as e:
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assert """unexpected '=' at position 3""" in str(e)
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si = spot.scc_info(alt)
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try:
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si.determine_unknown_acceptance()
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except RuntimeError as e:
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assert "scc_info::determine_unknown_acceptance() does not supp" in str(e)
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r = spot.twa_run(aut)
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try:
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a = r.as_twa()
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except RuntimeError as e:
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assert "empty cycle" in str(e)
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try:
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a = r.replay(spot.get_cout())
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except RuntimeError as e:
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assert "empty cycle" in str(e)
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try:
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a = r.reduce()
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except RuntimeError as e:
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assert "empty cycle" in str(e)
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