def test_basics(self):
        Data = np.array([(1, 1), (1, 2), (1, 3), (1, 4), (2, 1), (2, 2),
                         (2, 3), (3, 1), (3, 2)])

        L = MOTM.LocalFrameIdToGlobal(Data)

        self.assertEqual(L.get_true_idx(1, 0), 0)
        self.assertEqual(L.get_true_idx(1, 2), 2)
        self.assertEqual(L.get_true_idx(3, 1), 8)
    def test_out_of_order(self):
        Data = np.array([(2, 3), (1, 2), (3, 1), (1, 4), (1, 3), (2, 2),
                         (1, 1), (3, 2), (2, 1)])

        L = MOTM.LocalFrameIdToGlobal(Data)

        self.assertEqual(L.get_true_idx(2, 0), 0)
        self.assertEqual(L.get_true_idx(1, 2), 4)
        self.assertEqual(L.get_true_idx(3, 1), 7)