feat: concurrently load & parse fonts

src/font/mod.rs

@@ -158,3 +158,26 @@ impl Font {
         })
     }
 }
+
+#[cfg(test)]
+mod test{
+    #[test]
+    fn test_fonts_load_time(){
+        use crate::FontSystem;
+        use sys_locale::get_locale;
+
+        #[cfg(not(target_arch = "wasm32"))]
+        let now = std::time::Instant::now();
+
+        let mut db = fontdb::Database::new();
+        let locale = get_locale().unwrap();
+        db.load_system_fonts();
+        FontSystem::new_with_locale_and_db(locale, db);
+
+        #[cfg(not(target_arch = "wasm32"))]
+        println!(
+            "Fonts load time {}ms.",
+            now.elapsed().as_millis()
+        )
+    }
+}