179672fe3b
* spot/tl/relabel.cc (formula_to_fgraph): Do not assume that n-ary operators are Boolean operators. * tests/python/relabel.py: Add a test case found while discussing some expression with Antoine Martin. * NEWS: Mention it.
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2015, 2017-2019, 2022 Laboratoire de Recherche et
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# Développement de l'Epita
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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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import spot
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from unittest import TestCase
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tc = TestCase()
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f = spot.formula('GF(a & b) -> (FG(a & b) & Gc)')
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m = spot.relabeling_map()
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g = spot.relabel_bse(f, spot.Pnn, m)
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res = ""
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for old, new in m.items():
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res += "#define {} {}\n".format(old, new)
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res += str(g)
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tc.assertEqual(res, """#define p0 a & b
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#define p1 c
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GFp0 -> (FGp0 & Gp1)""")
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h = spot.relabel_apply(g, m)
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tc.assertEqual(h, f)
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autg = g.translate()
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spot.relabel_here(autg, m)
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tc.assertEqual(str(autg.ap()), \
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'(spot.formula("a"), spot.formula("b"), spot.formula("c"))')
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tc.assertTrue(spot.isomorphism_checker.are_isomorphic(autg, f.translate()))
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a = spot.formula('a')
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u = spot.formula('a U b')
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m[a] = u
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try:
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spot.relabel_here(autg, m)
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except RuntimeError as e:
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tc.assertIn("new labels", str(e))
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m = spot.relabeling_map()
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m[u] = a
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try:
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spot.relabel_here(autg, m)
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except RuntimeError as e:
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tc.assertIn("old labels", str(e))
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f = spot.parse_infix_sere("(p9;p21|p22):(p1&p2;p11&p22;p1&p2)").f
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g = spot.relabel_bse(f, spot.Abc)
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tc.assertEqual(str(g), "(a;(b | c)):(d;(c & e);d)")
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