add testcase & bug fixed

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

@@ -0,0 +1,83 @@
+package com.alibaba.druid.bvt.pool;
+
+import java.sql.Connection;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidPooledConnection;
+
+public class DruidPooledConnectionTest extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setTestOnBorrow(false);
+        dataSource.setFilters("stat");
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+    
+    public void test_rollback() throws Exception {
+        Connection conn = dataSource.getConnection();
+        conn.rollback();
+        conn.rollback(null);
+        
+        conn.close();
+    }
+    
+    public void test_rollback_1() throws Exception {
+        Connection conn = dataSource.getConnection();
+        conn.setAutoCommit(false);
+        
+        conn.close();
+        conn.rollback();
+        conn.rollback(null);
+    }
+    
+    public void test_getOwnerThread() throws Exception {
+        DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+        
+        Assert.assertEquals(Thread.currentThread(), conn.getOwnerThread());
+        
+        conn.close();
+    }
+    
+    public void test_isDiable() throws Exception {
+        DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+        
+        Assert.assertEquals(false, conn.isDisable());
+        
+        conn.close();
+        
+        Assert.assertEquals(true, conn.isDisable());
+    }
+    
+    public void test_dupClose() throws Exception {
+        DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+        
+        conn.close();
+        conn.close();
+    }
+    
+    public void test_disable() throws Exception {
+        Assert.assertEquals(0, dataSource.getPoolingCount());
+        Assert.assertEquals(0, dataSource.getActiveCount());
+        
+        DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+        conn.disable();
+        Assert.assertEquals(true, conn.isDisable());
+        
+        Assert.assertEquals(1, dataSource.getActiveCount());
+        
+        conn.close();
+        
+        Assert.assertEquals(0, dataSource.getPoolingCount());
+        Assert.assertEquals(1, dataSource.getActiveCount());
+    }
+}