Mentioned in issue #298. * spot/twaalgos/determinize.cc: Do not copy prop_complete of the input if it is false. * tests/python/298.py: Test it. * NEWS: Mention the bug.
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2020 Laboratoire de Recherche et Développement de l'Epita
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# (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 for parts of Issue #298.
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import spot
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a1 = spot.automaton("""genltl --dac=51 | ltl2tgba --med |""")
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a1 = spot.degeneralize_tba(a1)
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r1 = spot.tgba_determinize(a1, True, False, False)
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assert r1.num_sets() == 3
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assert a1.prop_complete().is_false();
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# This used to fail in 2.9.5 and earlier.
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assert r1.prop_complete().is_maybe();
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assert spot.is_complete(r1)
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a2 = spot.automaton("""genltl --dac=51 | ltl2tgba --high |""")
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a2 = spot.degeneralize_tba(a2)
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r2 = spot.tgba_determinize(a2, True, False, False)
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# This used to fail in 2.9.5 and earlier.
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assert r2.num_sets() == 3
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assert a2.prop_complete().is_false();
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assert r2.prop_complete().is_maybe();
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assert spot.is_complete(r2)
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