add testcase & bug fixed

src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceTest6.java

@@ -0,0 +1,51 @@
+package com.alibaba.druid.bvt.pool;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Properties;
+
+import org.junit.Assert;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.filter.FilterAdapter;
+import com.alibaba.druid.filter.FilterChain;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.proxy.jdbc.ConnectionProxy;
+
+/**
+ * 这个场景测试defaultAutoCommit
+ * 
+ * @author wenshao<szujobs@hotmail.com>
+ */
+public class DruidDataSourceTest6 extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setTestOnBorrow(false);
+        dataSource.setDefaultAutoCommit(true);
+        dataSource.getProxyFilters().add(new FilterAdapter() {
+            public ConnectionProxy connection_connect(FilterChain chain, Properties info) throws SQLException {
+                ConnectionProxy conn = chain.connection_connect(info);
+                conn.setAutoCommit(false);
+                return conn;
+            }
+        });
+
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_autoCommit() throws Exception {
+        Connection conn = dataSource.getConnection();
+        
+        Assert.assertTrue(conn.getAutoCommit());
+        
+        conn.close();
+    }
+}