def test_construction(self):
"""Build an eager model out of a dictionary"""
x, y = FreshSymbol(), FreshSymbol()
d = {x: TRUE(), y: FALSE()}
model = EagerModel(assignment=d)
self.assertEqual(model.get_value(x), TRUE())
self.assertEqual(model.get_value(y), FALSE())
self.assertEqual(model.get_value(And(x, y)), FALSE())
def test_construction(self):
"""Build an eager model out of a dictionary"""
x, y = FreshSymbol(), FreshSymbol()
d = {x: TRUE(), y: FALSE()}
model = EagerModel(assignment=d)
self.assertEqual(model.get_value(x), TRUE())
self.assertEqual(model.get_value(y), FALSE())
self.assertEqual(model.get_value(And(x,y)), FALSE())
def test_result_is_const(self):
"""The result of get_value is a constant"""
x, y = FreshSymbol(), FreshSymbol()
d = {x: TRUE()}
model = EagerModel(assignment=d)
with self.assertRaises(PysmtTypeError):
model.get_value(And(x, y), model_completion=False)
d2 = {x: TRUE(), y: x}
model = EagerModel(assignment=d2)
with self.assertRaises(PysmtTypeError):
model.get_value(And(x, y))
def test_result_is_const(self):
"""The result of get_value is a constant"""
x, y = FreshSymbol(), FreshSymbol()
d = {x:TRUE()}
model = EagerModel(assignment=d)
with self.assertRaises(TypeError):
model.get_value(And(x,y), model_completion=False)
d2 = {x:TRUE(), y:x}
model = EagerModel(assignment=d2)
with self.assertRaises(TypeError):
model.get_value(And(x,y))
def test_env_default_arguments(self):
"""Test use global env"""
x = FreshSymbol()
d = {x: TRUE()}
model = EagerModel(d)
self.assertEqual(model.get_value(x), TRUE())
def test_env_default_arguments(self):
"""Test use global env"""
x = FreshSymbol()
d = {x: TRUE()}
model = EagerModel(d)
self.assertEqual(model.get_value(x), TRUE())
def test_complete_model(self):
"""Given a partial assignment, we can make a total model."""
x, y = FreshSymbol(), FreshSymbol()
r = FreshSymbol(REAL)
p = FreshSymbol(INT)
d = {x: TRUE()}
model = EagerModel(assignment=d)
self.assertEqual(model.get_value(x), TRUE())
self.assertEqual(model.get_value(Or(x, y)), TRUE())
self.assertTrue(model.get_value(p).is_constant(INT))
self.assertTrue(model.get_value(r).is_constant(REAL))
self.assertEqual(model.get_value(x, model_completion=False), TRUE())
with self.assertRaises(PysmtTypeError):
model.get_value(And(x, y), model_completion=False)
with self.assertRaises(PysmtTypeError):
model.get_value(p, model_completion=False)
with self.assertRaises(PysmtTypeError):
model.get_value(r, model_completion=False)
def test_complete_model(self):
"""Given a partial assignment, we can make a total model."""
x, y = FreshSymbol(), FreshSymbol()
r = FreshSymbol(REAL)
p = FreshSymbol(INT)
d = {x:TRUE()}
model = EagerModel(assignment=d)
self.assertEqual(model.get_value(x), TRUE())
self.assertEqual(model.get_value(Or(x,y)), TRUE())
self.assertTrue(model.get_value(p).is_constant(INT))
self.assertTrue(model.get_value(r).is_constant(REAL))
self.assertEqual(model.get_value(x, model_completion=False), TRUE())
with self.assertRaises(TypeError):
model.get_value(And(x,y), model_completion=False)
with self.assertRaises(TypeError):
model.get_value(p, model_completion=False)
with self.assertRaises(TypeError):
model.get_value(r, model_completion=False)
