def test_ite():
lang = fstrips.language('arith', [Theory.EQUALITY, Theory.ARITHMETIC])
_ = lang.constant(1, lang.Integer)
x = lang.function('x', lang.Integer)
y = lang.function('y', lang.Integer)
phi = (x() <= y()) & (y() <= x())
t1 = x() + 2
t2 = y() + 3
tau = ite(phi, t1, t2)
assert tau.condition.is_syntactically_equal(phi)
assert tau.subterms[0].is_syntactically_equal(t1)
assert tau.subterms[1].is_syntactically_equal(t2)
assert tau.sort == t1.sort
def test_ite():
lang = tarski.language('arith', [Theory.EQUALITY, Theory.ARITHMETIC])
c = lang.constant(1, lang.Integer)
x = lang.function('x', lang.Integer)
y = lang.function('y', lang.Integer)
phi = (x() <= y()) & (y() <= x())
t1 = x() + 2
t2 = y() + 3
tau = ite(phi, t1, t2)
model = Model(lang)
model.evaluator = evaluate
model.setx(x(), 1)
model.setx(y(), 2)
assert model[tau].symbol == 5