[day 1] Last commit was just part 1. Part 2 is still WIP

Cargo.lock

@@ -27,6 +27,7 @@ dependencies = [
  "log",
  "nom",
  "pico-args",
+ "test-env-helpers",
  "tinyjson",
 ]
 
@@ -279,7 +280,7 @@ checksum = "980af8b43c3ad5d8d349ace167ec8170839f753a42d233ba19e08afe1850fa69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -534,7 +535,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -554,6 +555,17 @@ version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.111"
@@ -575,6 +587,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "test-env-helpers"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6ab8f4822c904dadef9dd99f228f58a10d1b2c6ece06b108257e72fea72b1c6"
+dependencies = [
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "thousands"
 version = "0.2.0"
@@ -620,7 +642,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.111",
  "wasm-bindgen-shared",
 ]
 
@@ -642,7 +664,7 @@ checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.111",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]

Cargo.toml

@@ -28,6 +28,7 @@ env_logger = "0.11.8"
 log = "0.4.29"
 nom = "8.0.0"
 pico-args = "0.5.0"
+test-env-helpers = "0.2.2"
 tinyjson = "2.5.1"
 
 # Solution dependencies

src/bin/01.rs

@@ -83,15 +83,23 @@ fn count_all_zeroes(commands: Vec<Command>) -> u64 {
     for command in commands {
         log::debug!("Command: {command:?}");
         match command {
-            Command::Left(x) => position = (position.strict_sub_unsigned(x.into())),
-            Command::Right(x) => position = (position.strict_add_unsigned(x.into())),
+            Command::Left(x) => position = position.strict_sub_unsigned(x.into()),
+            Command::Right(x) => position = position.strict_add_unsigned(x.into()),
         }
-        log::debug!("Position: {position:?}");
-        if position >= 100 || position <= 0 {
+        if position == 0 {
             num_zeroes += 1;
-            position = position % 100;
+        }
+        while position > 100 {
+            num_zeroes += 1;
+            position -= 100;
             log::debug!("Zeroes: {num_zeroes:?}");
         }
+        while position < 0 {
+            num_zeroes += 1;
+            position += 100;
+            log::debug!("Zeroes: {num_zeroes:?}");
+        }
+        log::debug!("Position: {position:?}");
     }
 
     num_zeroes
@@ -102,10 +110,18 @@ pub fn part_two(input: &str) -> Option<u64> {
     Some(count_all_zeroes(commands))
 }
 
+#[cfg(test)]
+use test_env_helpers::before_all;
+
+#[before_all]
 #[cfg(test)]
 mod tests {
     use super::*;
 
+    fn before_all() {
+        env_logger::init();
+    }
+
     #[test]
     fn test_part_one() {
         let result = part_one(&advent_of_code::template::read_file("examples", DAY));
@@ -115,6 +131,6 @@ mod tests {
     #[test]
     fn test_part_two() {
         let result = part_two(&advent_of_code::template::read_file("examples", DAY));
-        assert_eq!(result, None);
+        assert_eq!(result, Some(6));
     }
 }