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Day 2 Part 2

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This commit is contained in:
Anthony Cicchetti 2022-12-03 16:45:20 -05:00
parent 4974fd0d02
commit 2674f0f993
2 changed files with 43 additions and 10 deletions
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7
day_02/src/lib.rs
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@ -15,7 +15,12 @@ mod tests {
use super::*; use super::*;
#[test] #[test]
fn example_score_is_correct() { fn part_01_example_score_is_correct() {
assert_eq!(15, run_day_and_part(Day::Two, Part::One, "A Y\nB X\nC Z")) assert_eq!(15, run_day_and_part(Day::Two, Part::One, "A Y\nB X\nC Z"))
} }
#[test]
fn part_02_example_score_is_correct() {
assert_eq!(12, run_day_and_part(Day::Two, Part::Two, "A Y\nB X\nC Z"))
}
} }

46
day_02/src/parser.rs
View file

@ -160,8 +160,10 @@ pub(crate) mod part_02 {
} }
pub(crate) fn parse(inp: &str) -> Vec<usize> { pub(crate) fn parse(inp: &str) -> Vec<usize> {
todo!() let (_, tricks): (&str, Vec<Trick>) = sequence_parser(inp).expect("Couldn't parse input");
tricks.iter().map(|trick| trick.score()).collect()
} }
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;
@ -181,8 +183,8 @@ pub(crate) mod part_02 {
} }
macro_rules! param_test { macro_rules! param_test {
($name:ident, $input:literal, $against:expr, $result:expr, $thrown:expr) => { ($($name:ident: $input:literal , $against:expr , $result:expr , $thrown:expr;)*) => {
#[test] $(#[test]
fn $name() { fn $name() {
assert_eq!( assert_eq!(
Ok(( Ok((
@ -194,17 +196,43 @@ pub(crate) mod part_02 {
)), )),
trick_parser($input) trick_parser($input)
) )
} })*
}; };
} }
param_test!( param_test!(
rock_thrown_loss_expected, rock_thrown_loss_expected: "A X" , Hand::Rock , ResultExpected::Lose , Hand::Scissors;
"A X", rock_thrown_draw_expected: "A Y", Hand::Rock, ResultExpected::Draw, Hand::Rock;
Hand::Rock, rock_thrown_win_expected: "A Z", Hand::Rock, ResultExpected::Win, Hand::Paper;
ResultExpected::Lose,
Hand::Scissors paper_thrown_loss_expected: "B X" , Hand::Paper , ResultExpected::Lose , Hand::Rock;
paper_thrown_draw_expected: "B Y", Hand::Paper, ResultExpected::Draw, Hand::Paper;
paper_thrown_win_expected: "B Z", Hand::Paper, ResultExpected::Win, Hand::Scissors;
scissors_thrown_loss_expected: "C X" , Hand::Scissors , ResultExpected::Lose , Hand::Paper;
scissors_thrown_draw_expected: "C Y", Hand::Scissors, ResultExpected::Draw, Hand::Scissors;
scissors_thrown_win_expected: "C Z", Hand::Scissors, ResultExpected::Win, Hand::Rock;
); );
#[test]
fn example_sequence_parsed() {
assert_eq!(
Ok(("", vec![
Trick {
against: Hand::Rock,
thrown: Hand::Rock,
},
Trick {
against: Hand::Paper,
thrown: Hand::Rock,
},
Trick {
against: Hand::Scissors,
thrown: Hand::Rock,
}
])), sequence_parser("A Y\nB X\nC Z")
)
}
} }
} }