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fix is_generalized_rabin() and is_generalized_streett()

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* spot/twa/acc.cc: Fix detection of single-pairs gen-Rabin and
gen-Streett.
* tests/core/randaut.test: Add test case.
* NEWS: Mention this issue.
This commit is contained in:
Alexandre Duret-Lutz 2020-02-15 10:05:27 +01:00
parent 6a988f6884
commit bf42b19eff
3 changed files with 37 additions and 11 deletions
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10
tests/core/randaut.test
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@ -1,6 +1,6 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2014, 2015, 2016, 2017, 2018 Laboratoire de Recherche et
# Copyright (C) 2014-2018, 2020 Laboratoire de Recherche et
# Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
@ -221,4 +221,12 @@ grep 'randaut:.*end of acceptance.*invalid range' stderr
randaut -Q0 1 2>stderr && exit 1
grep '0 states' stderr
# This catch a bug where 'Fin(1) & Inf(2) & Fin(0)' was
# incorrectly detected a generalized-Rabin and output a
# 'Fin(0) | Fin(1) & Inf(2)'.
randaut -Q1 -A 'Fin(1) & Inf(2) & Fin(0)' 2 > out.hoa
grep 'Acceptance:' out.hoa > out.acc
echo 'Acceptance: 3 Fin(1) & Inf(2) & Fin(0)' > out.exp
diff out.acc out.exp
: