perf: refine benches and add somes test to ensure we are testing the correct inputs

benches/tests.rs

@@ -0,0 +1,106 @@
+use freedesktop_icons::lookup;
+use gtk4::{IconLookupFlags, IconTheme, TextDirection};
+use speculoos::prelude::*;
+use std::path::PathBuf;
+
+#[test]
+fn gtk_lookup() {
+    gtk4::init().unwrap();
+    let theme = IconTheme::new();
+
+    let x = theme.lookup_icon(
+        "firefox",
+        &[],
+        24,
+        1,
+        TextDirection::None,
+        IconLookupFlags::empty(),
+    );
+
+    assert!(x.icon_name().is_some())
+}
+
+// Linicon sometimes fails with theme that have unknown parents
+// This test only ensure we are running the correct function in the benchmarks
+// And results are identical.
+#[test]
+fn linicon() {
+    // Current theme
+    let lin_user_home = linicon::lookup_icon("user-home")
+        .from_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .next();
+
+    let user_home = lookup("user-home")
+        .with_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .find();
+
+    asserting!("Linicon return some icon")
+        .that(&lin_user_home.unwrap())
+        .is_ok()
+        .map(|icon| &icon.path)
+        .is_equal_to(PathBuf::from(
+            "/usr/share/icons/Adwaita/24x24/places/user-home.png",
+        ));
+
+    // Fixme
+    asserting!("Our implementation should return the same result as linicon")
+        .that(&user_home)
+        .is_some()
+        .is_equal_to(PathBuf::from(
+            "/usr/share/icons/Adwaita/24x24/places/user-home.png",
+        ));
+
+    // Fallback to hicolor
+    let lin_firefox = linicon::lookup_icon("firefox")
+        .from_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .next();
+
+    let firefox = lookup("firefox")
+        .with_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .find();
+
+    asserting!("Linicon return some icon")
+        .that(&lin_firefox.unwrap())
+        .is_ok()
+        .map(|icon| &icon.path)
+        .is_equal_to(PathBuf::from(
+            "/usr/share/icons/hicolor/22x22/apps/firefox.png",
+        ));
+
+    asserting!("Our implementation should return the same result as linicon")
+        .that(&firefox)
+        .is_some()
+        .is_equal_to(PathBuf::from(
+            "/usr/share/icons/hicolor/22x22/apps/firefox.png",
+        ));
+
+    // pixmaps
+    let lin_archlinux = linicon::lookup_icon("archlinux-logo")
+        .from_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .next();
+
+    let archlinux = lookup("archlinux-logo")
+        .with_theme("Adwaita")
+        .with_size(24)
+        .with_scale(1)
+        .find();
+
+    asserting!("Linicon fails to fallback to pixmaps")
+        .that(&lin_archlinux)
+        .is_none();
+
+    asserting!("But we succeed")
+        .that(&archlinux)
+        .is_some()
+        .is_equal_to(PathBuf::from("toto"));
+}