def test3(self):
mg = MatrixGraph([[7, 8, 9, 2, 1], [2, 4, 7, 0, 3], [1, 2, 3, 2, 8],
[2, 9, 6, 5, 8]])
neighbors = mg.get_neighbors((0, 4))
self.assertEqual(len(neighbors), 3)
self.assertIn((0, 3), neighbors)
self.assertIn((1, 3), neighbors)
self.assertIn((1, 4), neighbors)
def test4(self):
mg = MatrixGraph([[7, 8, 9, 2, 1], [2, 4, 7, 0, 3], [1, 2, 3, 2, 8],
[2, 9, 6, 5, 8]])
neighbors = mg.get_neighbors((3, 1))
self.assertEqual(len(neighbors), 5)
self.assertIn((2, 0), neighbors)
self.assertIn((2, 1), neighbors)
self.assertIn((2, 2), neighbors)
self.assertIn((3, 0), neighbors)
self.assertIn((3, 2), neighbors)
def test2(self):
mg = MatrixGraph([[7, 8, 9], [2, 4, 7], [1, 2, 3]])
neighbors = mg.get_neighbors((1, 1))
self.assertEqual(len(neighbors), 8)
self.assertIn((0, 0), neighbors)
self.assertIn((0, 1), neighbors)
self.assertIn((0, 2), neighbors)
self.assertIn((1, 0), neighbors)
self.assertIn((1, 2), neighbors)
self.assertIn((2, 0), neighbors)
self.assertIn((2, 1), neighbors)
self.assertIn((2, 2), neighbors)
def test1(self):
mg = MatrixGraph([[7]])
neighbors = mg.get_neighbors((0, 0))
self.assertEqual(len(neighbors), 0)