From 63f1a6bfe41ad08eef713ec09e29c4d0319635ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E9=93=81?= <shaojin.wensj@alibaba-inc.com>
Date: Sat, 7 May 2016 03:08:10 +0800
Subject: [PATCH] add testcase

---
 .../druid/bvt/jmx/DupRegisterTest.java        | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/test/java/com/alibaba/druid/bvt/jmx/DupRegisterTest.java

diff --git a/src/test/java/com/alibaba/druid/bvt/jmx/DupRegisterTest.java b/src/test/java/com/alibaba/druid/bvt/jmx/DupRegisterTest.java
new file mode 100644
index 0000000000..871cbf8e68
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/jmx/DupRegisterTest.java
@@ -0,0 +1,36 @@
+package com.alibaba.druid.bvt.jmx;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.MBeanServer;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+import junit.framework.TestCase;
+
+public class DupRegisterTest extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    public void test_0() throws Exception {
+        dataSource.init();
+        
+        MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
+        mbeanServer.registerMBean(dataSource, dataSource.getObjectName());
+        Assert.assertTrue(mbeanServer.isRegistered(dataSource.getObjectName()));
+    }
+
+    protected void setUp() throws Exception {
+
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setMinEvictableIdleTimeMillis(10);
+        dataSource.setTimeBetweenEvictionRunsMillis(10);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+}