def test_states(self):
     state = Zombie(8, 6)
     state.clear()
     self.assertIs(type(state.num_zombies()), int)
     self.assertEqual(state.num_zombies(), 0)
     self.assertIs(type(state.num_humans()), int)
     self.assertEqual(state.num_humans(), 0)
     state.add_zombie(4, 4)
     self.assertEqual(state.num_zombies(), 1)
     state.add_human(4, 4)
     self.assertEqual(state.num_zombies(), 1)
     state.clear()
     self.assertEqual(state.num_zombies(), 0)
     self.assertEqual(state.num_humans(), 0)
     for dummy_row in range(state._grid_height):
         for dummy_col in range(state._grid_width):
             self.assertTrue(state.is_empty(dummy_row, dummy_col))
     state.set_full(0, 0)
     self.assertFalse(state.is_empty(0, 0))
     state.add_human(0, 1)
     state.add_human(1, 1)
     state.add_human(2, 1)
     state.add_human(3, 1)
     self.assertEqual(state.num_humans(), 4)
     state.clear()
     state = Zombie(10, 10)
     state.add_zombie(2, 3)
     self.assertTrue(state.zombies())
     state.add_human(3, 2)
     self.assertTrue(state.humans())
 def test_states(self):
     state = Zombie(8, 6)
     state.clear()
     self.assertIs(type(state.num_zombies()), int)
     self.assertEqual(state.num_zombies(), 0)
     self.assertIs(type(state.num_humans()), int)
     self.assertEqual(state.num_humans(), 0)
     state.add_zombie(4, 4)
     self.assertEqual(state.num_zombies(), 1)
     state.add_human(4, 4)
     self.assertEqual(state.num_zombies(), 1)
     state.clear()
     self.assertEqual(state.num_zombies(), 0)
     self.assertEqual(state.num_humans(), 0)
     for dummy_row in range(state._grid_height):
         for dummy_col in range(state._grid_width):
             self.assertTrue(state.is_empty(dummy_row, dummy_col))
     state.set_full(0, 0)
     self.assertFalse(state.is_empty(0, 0))
     state.add_human(0, 1)
     state.add_human(1, 1)
     state.add_human(2, 1)
     state.add_human(3, 1)
     self.assertEqual(state.num_humans(), 4)
     state.clear()
     state = Zombie(10, 10)
     state.add_zombie(2, 3)
     self.assertTrue(state.zombies())
     state.add_human(3, 2)
     self.assertTrue(state.humans())