def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def test_ccode_Piecewise_deep():
    p = ccode(2*Piecewise((x, x < 1), (x**2, True)))
    s = \