use numberlab::formula::arithmetic::factorial;
use numberlab::sequence::factorial::factorial_sequence;
#[test]
fn should_generate_factorial_sequence() {
assert_eq!(factorial_sequence(0), vec![]);
assert_eq!(factorial_sequence(1), vec![1]);
assert_eq!(
factorial_sequence(10),
(0..10).map(|n| factorial(n)).collect::<Vec<_>>()
);
}