def test_posn_sum10(self): self.assertEqual(convergence.posn_sum(array2, posn4), (0, 0))
def test_posn_sum7(self): self.assertEqual(convergence.posn_sum(array2, posn2), (0, 1))
def test_posn_sum8(self): self.assertEqual(convergence.posn_sum(array2, posn6), (25, 5))
def test_posn_sum6(self): self.assertEqual(convergence.posn_sum(array2, posn1), (10, 3))
def test_posn_sum5(self): self.assertEqual(convergence.posn_sum(array1, posn7), (3, 1))
def test_posn_sum4(self): self.assertEqual(convergence.posn_sum(array1, posn6), (11, 4))
def test_posn_sum3(self): self.assertEqual(convergence.posn_sum(array1, posn5), (7, 3))
def test_posn_sum2(self): self.assertEqual(convergence.posn_sum(array1, posn2), (0, 0))