diff --git a/src/Feature/mod.rs b/src/Feature/mod.rs
index de1615f..1e94545 100644
--- a/src/Feature/mod.rs
+++ b/src/Feature/mod.rs
@@ -92,12 +92,13 @@ fn average_luminance(image: Image<f32>) -> (String, FeatureResult) {
 
     (feature_name, feature_result)
 }
+fn compare_Dim(image0: Image<f32>, image1: Image<f32>) -> (String, FeatureResult) {
+    let a = image0.width as f32 / image0.height as f32;
+    let b = image1.width as f32 / image1.height as f32;
+    let equal = a == b;
 
-#[test]
-fn test() {
-    let mut data = Database::default();
+    let feature_name = String::from("Dimension-comparison");
+    let feature_result = FeatureResult::Bool(equal);
 
-    data.add_feature(Box::new(average_luminance));
-
-    let _as_json = serde_json::to_string(&data);
+    (feature_name, feature_result)
 }