/* * Copyright 1999-2017 Alibaba Group Holding Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.alibaba.druid.proxy.demo; import java.sql.Connection; import java.sql.DriverManager; import org.junit.Assert; import junit.framework.TestCase; import com.alibaba.druid.stat.JdbcStatManager; public class Demo1 extends TestCase { public void test_0() throws Exception { JdbcStatManager.getInstance().reset(); // 重置计数器 Assert.assertEquals(0, JdbcStatManager.getInstance().getConnectionStat().getConnectCount()); Assert.assertEquals(0, JdbcStatManager.getInstance().getConnectionStat().getCloseCount()); String url = "jdbc:wrap-jdbc:filters=default:name=preCallTest:jdbc:derby:memory:Demo1;create=true"; Connection conn = DriverManager.getConnection(url); Assert.assertEquals(1, JdbcStatManager.getInstance().getConnectionStat().getConnectCount()); Assert.assertEquals(0, JdbcStatManager.getInstance().getConnectionStat().getCloseCount()); conn.close(); Assert.assertEquals(1, JdbcStatManager.getInstance().getConnectionStat().getConnectCount()); Assert.assertEquals(1, JdbcStatManager.getInstance().getConnectionStat().getCloseCount()); } }