def METHOD_NAME(self):
    ind = I.Indexes([[1],[1]])
    self.assertEqual(ind.length, 1)
    self.assertEqual(len(ind.fwd_idx), 1)
    self.assertEqual(ind.fwd_idx[0], 0)
    self.assertEqual(len(ind.rev_idx), 1)
    self.assertEqual(ind.rev_idx, 0)
    self.assertEqual(tuple(ind.idx.shape), (2,1))
    self.assertEqual(ind.idx[0,0], 0)
    self.assertEqual(ind.idx[1,0], 0)