Fix-and-test-2023-01-06 (#365)

Fix warnings and add test to benchmark the allocator

- [x] Changelog updated / no changelog update needed

agb-image-converter/src/lib.rs

@@ -79,7 +79,7 @@ pub fn include_gfx(input: TokenStream) -> TokenStream {
     let mut palette256 = Palette256::new();
 
     for (name, settings) in images.iter() {
-        let image_filename = &parent.join(&settings.filename());
+        let image_filename = &parent.join(settings.filename());
         let image = Image::load_from_file(image_filename);
 
         match settings.colours() {
@@ -282,7 +282,7 @@ fn convert_image(
     optimisation_results: &Palette16OptimisationResults,
     assignment_offset: Option<usize>,
 ) -> proc_macro2::TokenStream {
-    let image_filename = &parent.join(&settings.filename());
+    let image_filename = &parent.join(settings.filename());
     let image = Image::load_from_file(image_filename);
 
     rust_generator::generate_code(
@@ -339,7 +339,6 @@ fn palette_tile_data(
                 .map(|colour| colour.to_rgb15())
                 .chain(iter::repeat(0))
                 .take(16)
-                .map(|colour| colour as u16)
                 .collect()
         })
         .collect();

agb-image-converter/src/rust_generator.rs

@@ -19,8 +19,7 @@ pub(crate) fn generate_palette_code(
             .into_iter()
             .map(|colour| colour.to_rgb15())
             .chain(iter::repeat(0))
-            .take(16)
-            .map(|colour| colour as u16);
+            .take(16);
 
         quote! {
             #crate_prefix::display::palette16::Palette16::new([

agb/src/agb_alloc/mod.rs

@@ -251,4 +251,45 @@ mod test {
             "address of allocation should be within iwram, instead at {p:?}"
         );
     }
+
+    #[test_case]
+    fn benchmark_allocation(_gba: &mut crate::Gba) {
+        let mut stored: Vec<Vec<u8>> = Vec::new();
+
+        let mut rng = crate::rng::RandomNumberGenerator::new();
+
+        const MAX_VEC_LENGTH: usize = 100;
+
+        enum Action {
+            Add { size: usize },
+            Remove { index: usize },
+        }
+
+        let next_action = |rng: &mut crate::rng::RandomNumberGenerator, stored: &[Vec<u8>]| {
+            if stored.len() >= MAX_VEC_LENGTH {
+                Action::Remove {
+                    index: (rng.gen() as usize) % stored.len(),
+                }
+            } else if stored.is_empty() || rng.gen() as usize % 4 != 0 {
+                Action::Add {
+                    size: rng.gen() as usize % 32,
+                }
+            } else {
+                Action::Remove {
+                    index: (rng.gen() as usize) % stored.len(),
+                }
+            }
+        };
+
+        for _ in 0..10000 {
+            match next_action(&mut rng, &stored) {
+                Action::Add { size } => {
+                    stored.push(Vec::with_capacity(size));
+                }
+                Action::Remove { index } => {
+                    stored.swap_remove(index);
+                }
+            }
+        }
+    }
 }

tools/src/release.rs

@@ -179,7 +179,7 @@ fn update_changelog(root_directory: &Path, new_version: &Version) -> Result<Stri
         1,
     );
 
-    std::fs::write(&changelog_file, &changelog_content)
+    std::fs::write(&changelog_file, changelog_content)
         .map_err(|_| Error::FailedToWriteChangelog)?;
 
     Ok(change_content)