def test_append_left_1(self): expected = Deque.from_iterable([3, 2, 1]) d = Deque() d.append_left(1) d.append_left(2) d.append_left(3) actual = d self.assertEqual(actual, expected)
def test_append_1(self): expected = Deque.from_iterable([1, 2, 3]) d = Deque() d.append(1) d.append(2) d.append(3) actual = d self.assertEqual(actual, expected)
def test_pop_left_from_near_empty(self): expected = 0 d = Deque().from_iterable([0]) self.assertEqual(len(d), 1) actual = d.pop_left() self.assertEqual(actual, expected) self.assertEqual(len(d), 0)
def test_pop_left_from_many(self): expected = 0 d = Deque().from_iterable([0, 1, 2, 3]) size, ndx = 4, 0 self.assertEqual(len(d), size) while d: self.assertEqual(d.pop_left(), ndx) size, ndx = size - 1, ndx + 1 self.assertEqual(len(d), size)
def test_rotate_minus_1(self): expected = Deque().from_iterable([1, 2, 3, 4, 0]) actual = Deque().from_iterable(range(5)) actual.rotate(-1) self.assertEqual(expected, actual)
def test_rotate_2(self): expected = Deque().from_iterable([4, 0, 1, 2, 3]) actual = Deque().from_iterable(range(5)) actual.rotate(1) self.assertEqual(expected, actual)
def test_rotate_1(self): expected = Deque().from_iterable([4, 0, 1, 2, 3]) actual = Deque().from_iterable(range(5)) actual.rotate() # test default parameter self.assertEqual(expected, actual)
def test_pop_left_from_empty(self): d = Deque() with self.assertRaises(IndexError): d.pop_left()
def test_something(self): self.assertIsInstance(Deque(), Deque)
def test_append_left_2(self): expected = Deque.from_iterable([0]) d = Deque() d.append_left(0) actual = d self.assertEqual(actual, expected)
def test_rotate_minus_minus_3(self): expected = Deque().from_iterable([3, 4, 0, 1, 2]) actual = Deque().from_iterable(range(5)) actual.rotate(-3) self.assertEqual(expected, actual)
def test_rotate_3(self): expected = Deque().from_iterable([2, 3, 4, 0, 1]) actual = Deque().from_iterable(range(5)) actual.rotate(3) self.assertEqual(expected, actual)
def test_rotate_minus_len(self): expected = Deque().from_iterable([0, 1, 2, 3, 4]) actual = Deque().from_iterable(range(5)) actual.rotate(-len(actual)) self.assertEqual(expected, actual)