From 2d91292d3a85f9f2b5e3aee94ffdc76cd68cbf38 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@qq.com>
Date: Wed, 7 Dec 2011 11:07:58 +0800
Subject: [PATCH] enhance mock

---
 .../java/com/alibaba/druid/mock/MockPreparedStatement.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/com/alibaba/druid/mock/MockPreparedStatement.java b/src/main/java/com/alibaba/druid/mock/MockPreparedStatement.java
index 81659dc429..a15855700b 100644
--- a/src/main/java/com/alibaba/druid/mock/MockPreparedStatement.java
+++ b/src/main/java/com/alibaba/druid/mock/MockPreparedStatement.java
@@ -174,6 +174,10 @@ public class MockPreparedStatement extends MockStatement implements PreparedStat
         if (closed) {
             throw new SQLException();
         }
+        
+        if (this.mockConnection != null && this.mockConnection.isClosed()) {
+            throw new SQLException("No operations allowed after connection closed.");
+        }
 
         parameters.clear();
     }