def test_is_connected_04(self):
h = UF_HWQUPC(10)
self.assertFalse(h.is_connected(0, 1))
def test_connect_02(self):
h = UF_HWQUPC(2)
h.connect(0, 1)
h.connect(0, 1)
self.assertTrue(h.is_connected(0, 1))
def test_is_connected_03(self):
h = UF_HWQUPC(2)
self.assertIsNone(h.update_parent(0, 1))
self.assertTrue(h.is_connected(0, 1))