/*
* 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;
import java.sql.Connection;
import java.util.concurrent.CountDownLatch;
import junit.framework.TestCase;
import org.apache.commons.dbcp.BasicDataSource;
import com.alibaba.druid.mock.MockDriver;
public class DBCPTest extends TestCase {
public void test_max() throws Exception {
Class.forName("com.alibaba.druid.mock.MockDriver");
final BasicDataSource dataSource = new BasicDataSource();
// final DruidDataSource dataSource = new DruidDataSource();
dataSource.setInitialSize(3);
dataSource.setMaxActive(20);
dataSource.setMaxIdle(20);
dataSource.setDriverClassName("com.alibaba.druid.mock.MockDriver");
dataSource.setUrl("jdbc:mock:xxx");
final int THREAD_COUNT = 200;
final CountDownLatch endLatch = new CountDownLatch(THREAD_COUNT);
final CountDownLatch startLatch = new CountDownLatch(1);
Thread[] threads = new Thread[THREAD_COUNT];
for (int i = 0; i < THREAD_COUNT; ++i) {
threads[i] = new Thread() {
public void run() {
try {
startLatch.await();
for (int i = 0; i < 1000; ++i) {
Connection conn = dataSource.getConnection();
Thread.sleep(1);
conn.close();
}
} catch (Exception e) {
} finally {
endLatch.countDown();
}
}
};
threads[i].start();
}
startLatch.countDown();
endLatch.await();
// System.out.println(dataSource.getNumIdle());
System.out.println(MockDriver.instance.getConnections().size());
System.out.println(MockDriver.instance.getConnectionCloseCount());
}
}