content: package com.alibaba.json.bvt.issue_2700;
  
  import org.springframework.data.domain.PageRequest;
  import org.springframework.data.domain.Pageable;
  import org.springframework.data.domain.Sort;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.parser.ParserConfig;
  import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
  import com.alibaba.fastjson.serializer.MiscCodec;
  import com.alibaba.fastjson.serializer.ObjectSerializer;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.spi.Module;
  
  import junit.framework.TestCase;
  
  public class Issue2752 extends TestCase {
  
      public void test_for_issue() {
          Pageable pageRequest = new PageRequest(0, 10, new Sort(new Sort.Order("id, desc")));
          SerializeConfig config = new SerializeConfig();
          config.register(new MyModule());
          String result = JSON.toJSONString(pageRequest, config);
          assertTrue(result.indexOf("\"property\":\"id, desc\"") != -1);
      }
  
      public class MyModule implements Module {
  
          @Override
          public ObjectDeserializer createDeserializer(ParserConfig config, Class type) {
              if (type.getName().equals("org.springframework.data.domain.Sort")) {
                  return MiscCodec.instance;
              }
              return null;
          }
  
          @Override
          public ObjectSerializer createSerializer(SerializeConfig config, Class type) {
              if (type.getName().equals("org.springframework.data.domain.Sort")) {
                  return MiscCodec.instance;
              }
              return null;
          }
      }
  
  }
  