diff --git a/sc_core/src/blob_utils.rs b/sc_core/src/blob_utils.rs
index 5da5625..3f9a950 100644
--- a/sc_core/src/blob_utils.rs
+++ b/sc_core/src/blob_utils.rs
@@ -80,3 +80,54 @@ pub fn compare_blob_lists(
     changed_ids
 }
 
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde::Serialize;
+
+    const TEST_BLOB_SIZE: usize = 256; // Define a test blob size for simplicity
+    static SC_DATA_BLOB_SIZE: usize = TEST_BLOB_SIZE;
+
+    #[derive(Serialize)]
+    struct TestState {
+        a: u32,
+        b: u32,
+    }
+
+    #[test]
+    fn test_produce_blob_list_from_sc_public_state() {
+        let state = TestState { a: 42, b: 99 };
+        let result = produce_blob_list_from_sc_public_state(&state).unwrap();
+        assert!(!result.is_empty());
+    }
+
+    #[test]
+    fn test_compare_blob_lists_created() {
+        let old_list: Vec<DataBlob> = vec![];
+        let new_list: Vec<DataBlob> = vec![[1; SC_DATA_BLOB_SIZE].into()];
+
+        let changes = compare_blob_lists(&old_list, &new_list);
+        assert_eq!(changes.len(), 1);
+        assert!(matches!(changes[0], DataBlobChangeVariant::Created { .. }));
+    }
+
+    #[test]
+    fn test_compare_blob_lists_deleted() {
+        let old_list: Vec<DataBlob> = vec![[1; SC_DATA_BLOB_SIZE].into()];
+        let new_list: Vec<DataBlob> = vec![];
+
+        let changes = compare_blob_lists(&old_list, &new_list);
+        assert_eq!(changes.len(), 1);
+        assert!(matches!(changes[0], DataBlobChangeVariant::Deleted { .. }));
+    }
+
+    #[test]
+    fn test_compare_blob_lists_modified() {
+        let old_list: Vec<DataBlob> = vec![[1; SC_DATA_BLOB_SIZE].into()];
+        let new_list: Vec<DataBlob> = vec![[2; SC_DATA_BLOB_SIZE].into()];
+
+        let changes = compare_blob_lists(&old_list, &new_list);
+        assert_eq!(changes.len(), 1);
+        assert!(matches!(changes[0], DataBlobChangeVariant::Modified { .. }));
+    }
+}