content: package com.alibaba.druid.bvt.bug;
  
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import java.sql.Connection;
  
  public class Bug_for_wdw1206 extends TestCase {
      private ClassLoader ctxClassLoader;
      private DruidDataSource dataSource;
  
      protected void setUp() throws Exception {
          ctxClassLoader = Thread.currentThread().getContextClassLoader();
          Thread.currentThread().setContextClassLoader(null);
  
          dataSource = new DruidDataSource();
          dataSource.setUrl("jdbc:mock:");
          dataSource.setPoolPreparedStatements(false);
          dataSource.setTestOnBorrow(true);
          dataSource.setFilters("stat");
      }
  
      protected void tearDown() throws Exception {
          Thread.currentThread().setContextClassLoader(ctxClassLoader);
  
          JdbcUtils.close(dataSource);
      }
  
      public void test_nullCtxClassLoader() throws Exception {
          Connection conn = dataSource.getConnection();
          conn.close();
      }
  }
  