def test_clear(self): test = ArrayQueue() test.push(1) test.push(2) test.push(3) self.assertEqual(test.show_array, [1, 2, 3, None, None, None, None, None, None, None]) test.clear() self.assertEqual(test.show_array, [None, None, None, None, None, None, None, None, None, None])
