cbfbf53617
Fixes #341. * python/spot/__init__.py (automata): Rewrite and simplify using the subprocess context manager. * tests/python/341.py: New file. * tests/Makefile.am: Add it. * NEWS: Mention the issue.
35 lines
1.2 KiB
Python
35 lines
1.2 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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import spot
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from subprocess import _active
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def two_intersecting_automata():
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"""return two random automata with a non-empty intersection"""
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g = spot.automata('randaut -A4 -Q5 -n-1 2 |')
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for a, b in zip(g, g):
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if a.intersects(b):
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return a, b
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for i in range(5):
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two_intersecting_automata()
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n = len(_active)
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print(n, "active processes")
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assert(n == 0);
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