def test_lookup(self):
        assert event.Priority.lookup(event.Priority.CORE) is event.Priority.CORE
        assert event.Priority.lookup(event.Priority.CORE.value) is event.Priority.CORE
        assert event.Priority.lookup(-12312412) == -12312412
def test_ccode_Piecewise_deep():
    p = ccode(2*Piecewise((x, x < 1), (x**2, True)))
    s = \