修复涨跌停最终执行价约束

2026-06-15 20:04:42 +08:00
parent e0949a0eaa
commit 725f1845d9
2 changed files with 160 additions and 43 deletions
@@ -4237,6 +4237,50 @@ fn broker_uses_limit_price_slippage_for_limit_orders() {
    assert!((report.fill_events[0].price - 10.1).abs() < 1e-9);
 }

+#[test]
+fn broker_rejects_limit_buy_when_final_execution_price_reaches_upper_limit() {
+    let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
+    let data = two_day_limit_order_data(10.0, 10.2);
+    let broker = BrokerSimulator::new_with_execution_price(
+        ChinaAShareCostModel::default(),
+        ChinaEquityRuleHooks::default(),
+        PriceField::Open,
+    )
+    .with_slippage_model(SlippageModel::LimitPrice);
+    let mut portfolio = PortfolioState::new(1_000_000.0);
+
+    let report = broker
+        .execute(
+            date,
+            &mut portfolio,
+            &data,
+            &StrategyDecision {
+                rebalance: false,
+                target_weights: BTreeMap::new(),
+                exit_symbols: BTreeSet::new(),
+                order_intents: vec![OrderIntent::LimitShares {
+                    symbol: "000002.SZ".to_string(),
+                    quantity: 200,
+                    limit_price: 11.0,
+                    reason: "limit_entry_at_upper_limit".to_string(),
+                }],
+                notes: Vec::new(),
+                diagnostics: Vec::new(),
+            },
+        )
+        .expect("broker execution");
+
+    assert!(report.fill_events.is_empty());
+    assert_eq!(report.order_events.len(), 1);
+    assert_eq!(report.order_events[0].status, OrderStatus::Canceled);
+    assert!(
+        report.order_events[0]
+            .reason
+            .contains("open at or above upper limit")
+    );
+    assert!(portfolio.position("000002.SZ").is_none());
+}
+
 #[test]
 fn broker_executes_limit_value_and_limit_percent_intents() {
    let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();