content: /*
   * Copyright 1999-2018 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.bvt.pool;
  
  import com.alibaba.druid.PoolTestCase;
  import com.alibaba.druid.mock.MockDriver;
  import com.alibaba.druid.pool.DruidDataSource;
  
  import java.sql.Connection;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  public class Case0 extends PoolTestCase {
      public void test_0() throws Exception {
          final DruidDataSource dataSource = new DruidDataSource();
  
          dataSource.setDriver(new MockDriver() {
          });
          dataSource.setUrl("jdbc:mock:");
  
          dataSource.setMinIdle(0);
          dataSource.setMaxActive(2);
          dataSource.setMaxIdle(2);
  
          Connection conn1 = dataSource.getConnection();
          Connection conn2 = dataSource.getConnection();
  
          final CountDownLatch startLatch = new CountDownLatch(1);
          final CountDownLatch completeLatch = new CountDownLatch(1);
          final AtomicInteger waitCount = new AtomicInteger();
          Thread t = new Thread() {
              public void run() {
                  try {
                      startLatch.countDown();
                      waitCount.incrementAndGet();
                      Connection conn = dataSource.getConnection();
                      waitCount.decrementAndGet();
                      conn.close();
  
                      completeLatch.countDown();
                  } catch (Exception e) {
                      e.printStackTrace();
                  }
              }
          };
          t.start();
  
          startLatch.await();
          assertFalse(completeLatch.await(1, TimeUnit.SECONDS));
          conn1.close();
          assertTrue(completeLatch.await(1, TimeUnit.SECONDS));
          conn2.close();
          assertTrue(completeLatch.await(1, TimeUnit.SECONDS));
  
          dataSource.close();
      }
  }
  