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test formula with no satisifiable assignment

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This commit is contained in:
Marcell Vazquez-Chanlatte 2016-10-09 23:19:50 -07:00
parent aec3c0d15b
commit 9b42d9bb57
1 changed files with 15 additions and 3 deletions
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18
test_synth.py
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@ -10,20 +10,32 @@ oo = float('inf')
ex1 = ("A > a?", ("a?",), {"a?": (0, 10)}, {"a?": False}, {"a?": 1})
ex2 = ("F[0, b?](A > a?)", ("a?", "b?"), {"a?": (0, 10), "b?": (0, 5)},
{"a?": False, "b?": True}, {"a?": 4, "b?": 0.2})
ex3 = ("F[0, b?](A < 0)", ("b?",), {"b?": (0, 5)},
{"b?": True}, {"b?": 5})
ex4 = ("G[0, b?](A < 0)", ("b?",), {"b?": (0.1, 5)},
{"b?": True}, {"b?": 0.1})
ex5 = ("F[0, b?](A > 0)", ("b?",), {"b?": (0.1, 5)},
{"b?": True}, {"b?": 0.1})
x = pd.DataFrame([[1,2], [1,4], [4,2]], index=[0,0.1,0.2],
columns=["A", "B"])
class TestSTLRobustness(unittest.TestCase):
@params(ex1, ex2)
@params(ex1, ex2, ex3, ex4, ex5)
def test_lex_synth(self, phi_str, order, ranges, polarity, val):
phi = stl.parse(phi_str)
val2 = stl.robustness.lex_param_project(
phi, x, order=order, ranges=ranges, polarity=polarity)
phi = stl.robustness.set_params(phi, val2)
phi2 = stl.robustness.set_params(phi, val)
stl_eval = stl.robustness.pointwise_robustness(phi)
self.assertAlmostEqual(stl_eval(x, 0), 0, delta=0.01)
stl_eval2 = stl.robustness.pointwise_robustness(phi2)
# check that the robustnesses are almost the same
self.assertAlmostEqual(stl_eval(x, 0), stl_eval2(x, 0), delta=0.01)
# check that the valuations are almost the same
for var in order:
self.assertAlmostEqual(val2[var], val[var], delta=0.01)