def test5(self):
"""Test with valid inputs """
m1 = [[1, 2, 3], [2, 3, 4]]
self.assertEqual(matrix_add([[]], m1), None)
def test4(self):
"""Test with invalid inputs """
m1 = [[1, 2, 3], [2, 3, 4]]
m3 = [[1, 2], [3, 4], [5, 6]]
self.assertEqual(matrix_add(m1, m3), None)
def test2(self):
"""Test with valid inputs """
m1 = [[1, 2, 3], [2, 3, 4]]
self.assertListEqual(matrix_add(m1, m1), [[2, 4, 6], [4, 6, 8]])
def test3(self):
"""Test with valid inputs """
self.assertListEqual(matrix_add([[]], [[]]), [[]])
def test1(self):
"""Test with valid inputs """
m1 = [[1, 2, 3], [2, 3, 4]]
m2 = [[5, 6, 7], [8, 9, 10]]
self.assertListEqual(matrix_add(m1, m2), [[6, 8, 10], [10, 12, 14]])