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.pool;
  
  import com.alibaba.druid.util.JMXUtils;
  import junit.framework.TestCase;
  import org.junit.Assert;
  
  import java.sql.Connection;
  
  public class Case0 extends TestCase {
      private String jdbcUrl;
      private String user;
      private String password;
      private String driverClass;
      private int initialSize = 1;
      private int minPoolSize = 1;
      private int maxPoolSize = 2;
      private int maxActive = 2;
  
      protected void setUp() throws Exception {
          jdbcUrl = "jdbc:fake:dragoon_v25masterdb";
          user = "dragoon25";
          password = "dragoon25";
          driverClass = "com.alibaba.druid.mock.MockDriver";
      }
  
      public void test_singleThread() throws Exception {
          final DruidDataSource dataSource = new DruidDataSource();
  
          JMXUtils.register("com.alibaba.druid:type=DruidDataSource", dataSource);
  
          Class.forName("com.alibaba.druid.mock.MockDriver");
  
          dataSource.setInitialSize(initialSize);
          dataSource.setMaxActive(maxActive);
          dataSource.setMinIdle(minPoolSize);
          dataSource.setMaxIdle(maxPoolSize);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setDriverClassName(driverClass);
          dataSource.setUrl(jdbcUrl);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
          dataSource.setFilters("stat");
  
          final int LOOP_COUNT = 1000 * 1000;
  
          Assert.assertEquals(0, dataSource.getCreateCount());
          Assert.assertEquals(0, dataSource.getDestroyCount());
          Assert.assertEquals(0, dataSource.getPoolingCount());
  
          for (int i = 0; i < LOOP_COUNT; ++i) {
              Connection conn = dataSource.getConnection();
  
              conn.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
  
              Assert.assertEquals(initialSize, dataSource.getCreateCount());
  
              Assert.assertEquals(i + 1, dataSource.getConnectCount());
              Assert.assertEquals(1, dataSource.getActiveCount());
              Assert.assertEquals(i, dataSource.getCloseCount());
              Assert.assertEquals(0, dataSource.getConnectErrorCount());
              Assert.assertEquals(initialSize - 1, dataSource.getPoolingCount());
              Assert.assertEquals(i, dataSource.getRecycleCount());
  
              conn.close();
  
              Assert.assertEquals(i + 1, dataSource.getConnectCount());
              Assert.assertEquals(0, dataSource.getActiveCount());
              Assert.assertEquals(i + 1, dataSource.getCloseCount());
              Assert.assertEquals(0, dataSource.getConnectErrorCount());
              Assert.assertEquals(initialSize, dataSource.getPoolingCount());
              Assert.assertEquals(i + 1, dataSource.getRecycleCount());
          }
  
          Assert.assertEquals(initialSize, dataSource.getCreateCount());
          Assert.assertEquals(0, dataSource.getDestroyCount());
  
          dataSource.close();
          Assert.assertEquals(dataSource.getCreateCount(), dataSource.getDestroyCount());
      }
  }
  