def test_linked_list_kth_negative_int(): ll = LinkedList() ll.append(1) ll.append(3) ll.append(8) ll.append(2) with pytest.raises(Exception): ll.kthFromEnd(-4)
def test_linked_list_kth_equal_length(): ll = LinkedList() ll.append(1) ll.append(3) ll.append(8) ll.append(2) with pytest.raises(Exception): ll.kthFromEnd(4)
def test_linked_list_kth_greater_than(): ll = LinkedList() ll.append(1) ll.append(3) ll.append(8) ll.append(2) with pytest.raises(Exception): ll.kthFromEnd(6)
def test_linked_list_kth_middle(): ll = LinkedList() ll.append(1) ll.append(3) ll.append(8) ll.append(2) actual = ll.kthFromEnd(2) expected = 3 assert actual == expected
def test_linked_list_kth_size_one_pass(): ll = LinkedList() ll.append(1) actual = ll.kthFromEnd(0) expected = 1 assert actual == expected
def test_linked_list_kth_size_one_fail(): ll = LinkedList() ll.append(1) with pytest.raises(Exception): ll.kthFromEnd(1)