def test_order(self):
        assert (event.Priority.PRE_CORE
                > event.Priority.CORE
                > event.Priority.POST_CORE
                > event.Priority.PRE_DEFAULT
                > event.Priority.DEFAULT
                > event.Priority.POST_DEFAULT)
def test_ccode_Piecewise_deep():
    p = ccode(2*Piecewise((x, x < 1), (x**2, True)))
    s = \