content: package com.alibaba.druid.bvt.sql.visitor;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
  import com.alibaba.druid.sql.visitor.VisitorFeature;
  import org.junit.Test;
  
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  
  public class ParameterizedOutputVisitorUtilsTest {
      @Test
      public void test() {
          String sql = "select * from t where id = ?";
          assertEquals(sql, ParameterizedOutputVisitorUtils.parameterize(sql, DbType.mysql));
      }
  
      @Test
      public void test_x() {
          String sql = "select data_uuid as uuid, data_id as id from m_index WHERE tenant_id = ? and namespace = ? and meta_object_uuid = ? and delete_tag = ? and (value101 in (?) and value104 is not null) order by data_id desc";
          assertEquals(sql, ParameterizedOutputVisitorUtils.parameterize(sql, DbType.mysql, (List<Object>) null));
      }
  
      @Test
      public void test1() {
          String sql = "select * from t where id = ? and flag = 0";
          assertEquals(sql, ParameterizedOutputVisitorUtils.parameterize(sql, DbType.mysql, VisitorFeature.OutputParameterizedUnMergeZero));
      }
  
      @Test
      public void test2() {
          String sql = "select * from t where id = ? and flag = 1";
          assertEquals(sql, ParameterizedOutputVisitorUtils.parameterize(sql, DbType.mysql, VisitorFeature.OutputParameterizedUnMergeOne));
      }
  }
  