Commit cfa80ed8 authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz
Browse files

tests: avoid some superfluous calls to remove_alternation()

* tests/python/toweak.py: Here.
parent f45112a2
...@@ -30,30 +30,20 @@ GF!b ...@@ -30,30 +30,20 @@ GF!b
(b & GF!b) | (!b & FGb) (b & GF!b) | (!b & FGb)
b | (a & XF(b R a)) | (!a & XG(!b U !a))""" b | (a & XF(b R a)) | (!a & XG(!b U !a))"""
phi1 = phi1.split('\n')
bdddict = spot.make_bdd_dict()
def equivalent(a, phi): def equivalent(a, phi):
negphi = spot.formula.Not(phi) negphi = spot.formula.Not(phi)
nega = spot.dualize(a) nega = spot.dualize(a)
a2 = spot.translate(phi, 'TGBA', 'SBAcc' ) return not (spot.translate(negphi).intersects(a)
nega2 = spot.translate(negphi, 'TGBA', 'SBAcc') or spot.translate(phi).intersects(nega))
ra = spot.remove_alternation(a)
ran = spot.remove_alternation(nega)
return spot.product(spot.remove_alternation(a), nega2).is_empty()\
and spot.product(spot.remove_alternation(nega), a2).is_empty()
def test_phi(phi): def test_phi(phi):
a = spot.translate(phi, 'TGBA', 'SBAcc') a = spot.translate(phi, 'TGBA', 'SBAcc')
a0 = spot.dualize(a) res = spot.to_weak_alternating(spot.dualize(a))
assert equivalent(res, spot.formula.Not(spot.formula(phi)))
res = spot.to_weak_alternating(a0)
assert equivalent(res, spot.formula.Not(spot.formula(phi)))
for p in phi1:
test_phi(p)
for p in phi1.split('\n'):
print(p)
test_phi(p)
phi2 = spot.formula("(G((F a) U b)) W a") phi2 = spot.formula("(G((F a) U b)) W a")
a2 = spot.automaton(""" a2 = spot.automaton("""
...@@ -99,5 +89,3 @@ State: 6 ...@@ -99,5 +89,3 @@ State: 6
""") """)
a2 = spot.to_weak_alternating(a2) a2 = spot.to_weak_alternating(a2)
assert equivalent(a2, phi2) assert equivalent(a2, phi2)
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