use day_09::prelude::*;

fn main() {
    let input = include_str!("../input.txt");
    println!("{}", part1(input));
    println!("{}", part2(input));
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_part1() {
        let test_input = "0 3 6 9 12 15
1 3 6 10 15 21
10 13 16 21 30 45";
        assert_eq!(part1(test_input), "114".to_string());
    }

    #[test]
    fn test_part2() {
        assert_eq!(part2("0 3 6 9 12 15"), "-3".to_string());
        assert_eq!(part2("1 3 6 10 15 21"), "0".to_string());
        assert_eq!(part2("10 13 16 21 30 45"), "5".to_string());
    }

}