Refactor test_upd_aggregate.rs: Clean up imports and formatting, update test cases

Author: cctdaniel

program/rust/src/tests/test_upd_aggregate.rs

@@ -78,13 +78,49 @@ fn test_upd_aggregate() {
     price_account.is_signer = false;
     PriceAccount::initialize(&price_account, PC_VERSION).unwrap();
 
+    // test same slot aggregation, aggregate price and conf should be updated but not twap and twac
+    {
+        let mut price_data = load_checked::<PriceAccount>(&price_account, PC_VERSION).unwrap();
+        price_data.num_ = 1;
+        price_data.last_slot_ = 1000;
+        price_data.agg_.pub_slot_ = 1000;
+        price_data.comp_[0].latest_ = p1;
+    }
+    unsafe {
+        assert!(c_upd_aggregate(
+            price_account.try_borrow_mut_data().unwrap().as_mut_ptr(),
+            1000,
+            1,
+        ));
+    }
+
+    {
+        let price_data = load_checked::<PriceAccount>(&price_account, PC_VERSION).unwrap();
+
+        assert_eq!(price_data.agg_.price_, 100);
+        assert_eq!(price_data.agg_.conf_, 10);
+        assert_eq!(price_data.twap_.val_, 0);
+        assert_eq!(price_data.twac_.val_, 0);
+        assert_eq!(price_data.num_qt_, 1);
+        assert_eq!(price_data.timestamp_, 1);
+        assert_eq!(price_data.prev_slot_, 0);
+        assert_eq!(price_data.prev_price_, 0);
+        assert_eq!(price_data.prev_conf_, 0);
+        assert_eq!(price_data.prev_timestamp_, 0);
+    }
+
     // single publisher
     {
         let mut price_data = load_checked::<PriceAccount>(&price_account, PC_VERSION).unwrap();
         price_data.num_ = 1;
         price_data.last_slot_ = 1000;
         price_data.agg_.pub_slot_ = 1000;
         price_data.comp_[0].latest_ = p1;
+        price_data.prev_slot_ = 0;
+        price_data.prev_price_ = 0;
+        price_data.prev_conf_ = 0;
+        price_data.prev_timestamp_ = 0;
+        price_data.agg_.status_ = PC_STATUS_UNKNOWN;
     }
 
     unsafe {