content: package com.alibaba.druid.bvt.pool;
  
  import com.alibaba.druid.pool.DruidConnectionHolder;
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.pool.DruidPooledConnection;
  import junit.framework.TestCase;
  
  import java.lang.reflect.Field;
  import java.sql.PreparedStatement;
  
  import static org.junit.Assert.assertNotEquals;
  
  /**
   * 这个场景测试initialSize > maxActive
   *
   * @author wenshao [szujobs@hotmail.com]
   */
  public class LastActiveTest_0 extends TestCase {
      private DruidDataSource dataSource;
      private Field field;
  
      protected void setUp() throws Exception {
          dataSource = new DruidDataSource();
          dataSource.setUrl("jdbc:mock:xxx");
          dataSource.setTestOnBorrow(false);
          dataSource.setFilters("stat");
          dataSource.setMinIdle(0);
          dataSource.setMaxActive(100);
          dataSource.init();
  
          field = DruidPooledConnection.class.getDeclaredField("holder");
          field.setAccessible(true);
      }
  
      protected void tearDown() throws Exception {
          dataSource.close();
      }
  
      public void test_0() throws Exception {
          long t0, t1;
          {
              DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
              t0 = getLastActiveTime(conn);
              PreparedStatement stmt = conn.prepareStatement("select 1");
              Thread.sleep(2);
              stmt.execute();
  
              stmt.close();
              conn.close();
          }
          Thread.sleep(1000);
          {
              DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
              t1 = getLastActiveTime(conn);
              PreparedStatement stmt = conn.prepareStatement("select 1");
              Thread.sleep(2);
              stmt.execute();
  
              stmt.close();
              conn.close();
          }
          assertNotEquals(t0, t1);
      }
  
      private long getLastActiveTime(DruidPooledConnection conn) throws IllegalAccessException {
          DruidConnectionHolder holder = (DruidConnectionHolder) field.get(conn);
          return holder.getLastActiveTimeMillis();
      }
  }
  