3d3baf449e
* spot/parsetl/parsetl.yy: Adjust one diagnostic. * spot/parsetl/scantl.ll: Fix recovering of missing closing brace in lenient mode. * tests/python/declenv.py: Move some tests... * tests/python/ltlparse.py: ... here, and add many more. * NEWS: Mention the lenient mode bug.
53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2017 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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# This file tests various error conditions on the twa API
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import spot
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env = spot.declarative_environment()
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env.declare("a")
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env.declare("b")
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f1a = spot.parse_infix_psl("a U b")
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f1b = spot.parse_infix_psl("a U b", env)
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assert not f1a.errors
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assert not f1b.errors
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# In the past, atomic propositions requires via different environments were
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# never equal, but this feature was never used and we changed that in Spot 2.0
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# for the sake of simplicity.
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assert f1a.f == f1b.f
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f2 = spot.parse_infix_psl("(a U b) U c", env)
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assert f2.errors
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ostr = spot.ostringstream()
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f2.format_errors(ostr)
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err = ostr.str()
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assert "unknown atomic proposition `c'" in err
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f3 = spot.parse_prefix_ltl("R a d", env)
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assert f3.errors
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ostr = spot.ostringstream()
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f3.format_errors(ostr)
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err = ostr.str()
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assert "unknown atomic proposition `d'" in err
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f4 = spot.parse_prefix_ltl("R a b", env)
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assert not f4.errors
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