bf7ccfe7e6
* spot/twaalgos/degen.hh, spot/twaalgos/degen.cc: Implement it. * tests/python/pdegen.py: New file. * tests/Makefile.am: Add it. * NEWS: Mention the new function.
98 lines
2.2 KiB
Python
98 lines
2.2 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2019 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 that the spot.gen package works, in particular, we want
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# to make sure that the objects created from spot.gen methods
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# are usable with methods from the spot package.
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import spot
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a, b, d = spot.automata("""
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HOA: v1
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States: 2
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Start: 0
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AP: 1 "p0"
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Acceptance: 3 Inf(0)&Inf(1)|Fin(2)
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--BODY--
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State: 0
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[0] 1 {1 2}
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State: 1
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[0] 0 {0}
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--END--
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HOA: v1
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States: 3
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Start: 2
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AP: 1 "p0"
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Acceptance: 3 Inf(0)&Inf(1)|Fin(2)
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--BODY--
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State: 0
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[0] 1 {1 2}
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State: 1
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[0] 0 {0}
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State: 2
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[0] 0 {0}
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[0] 0 {1}
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--END--
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HOA: v1
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States: 1
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Start: 0
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AP: 1 "p0"
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Acceptance: 1 Fin(0)
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--BODY--
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State: 0
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[0] 0 {0}
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--END--
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""")
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da = spot.partial_degeneralize(a, [0, 1])
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assert da.equivalent_to(a)
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assert da.num_states() == 2
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db = spot.partial_degeneralize(b, [0, 1])
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assert db.equivalent_to(b)
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assert db.num_states() == 3
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db.copy_state_names_from(b)
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dbhoa = db.to_str('hoa')
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assert dbhoa == """HOA: v1
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States: 3
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Start: 0
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AP: 1 "p0"
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acc-name: Streett 1
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Acceptance: 2 Fin(0) | Inf(1)
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properties: trans-labels explicit-labels state-acc deterministic
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--BODY--
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State: 0 "2#0"
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[0] 2
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State: 1 "1#0"
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[0] 2
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State: 2 "0#1" {0 1}
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[0] 1
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--END--"""
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c = spot.automaton("randaut -A'(Fin(0)&Inf(1)&Inf(2))|Fin(2)' 1 |")
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dc = spot.partial_degeneralize(c, [1, 2])
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assert dc.equivalent_to(c)
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assert str(dc.get_acceptance()) == '(Fin(0) & Inf(2)) | Fin(1)'
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dd = spot.partial_degeneralize(d, [])
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assert dd.equivalent_to(d)
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assert dd.num_states() == 1
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assert str(dd.get_acceptance()) == 'Inf(1) & Fin(0)'
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