content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import com.alibaba.fastjson2.JSONWriter;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue104 {
      @Test
      public void format() {
          String str = "{\n" +
                  "\"passengerId\":\"220802200005217748\",\n" +
                  "\"firstName\":\"Hong\",\n" +
                  "\"lastName\":\"Test\",\n" +
                  "\"age\":99,\n" +
                  "\"telephone\":\"13104362222\"\n" +
                  "}";
  
          JSONObject object = JSON.parseObject(str);
  
          String pretty = JSON.toJSONString(object, JSONWriter.Feature.PrettyFormat);
          assertEquals("{\n" +
                  "\t\"passengerId\":\"220802200005217748\",\n" +
                  "\t\"firstName\":\"Hong\",\n" +
                  "\t\"lastName\":\"Test\",\n" +
                  "\t\"age\":99,\n" +
                  "\t\"telephone\":\"13104362222\"\n" +
                  "}", pretty);
      }
  
      @Test
      public void format_2() {
          String str = "{\n" +
                  "\"passengerId\":\"220802200005217748\",\n" +
                  "\"firstName\":\"Hong\",\n" +
                  "\"lastName\":\"Test\",\n" +
                  "\"age\":99,\n" +
                  "\"telephone\":\"13104362222\"\n" +
                  "}";
  
          Passenger object = JSON.parseObject(str, Passenger.class);
  
          String pretty = JSON.toJSONString(object, JSONWriter.Feature.PrettyFormat);
          assertEquals("{\n" +
                  "\t\"age\":99,\n" +
                  "\t\"firstName\":\"Hong\",\n" +
                  "\t\"lastName\":\"Test\",\n" +
                  "\t\"passengerId\":\"220802200005217748\",\n" +
                  "\t\"telephone\":\"13104362222\"\n" +
                  "}", pretty);
  
          byte[] prettyBytes = JSON.toJSONBytes(object, JSONWriter.Feature.PrettyFormat);
          assertEquals("{\n" +
                  "\t\"age\":99,\n" +
                  "\t\"firstName\":\"Hong\",\n" +
                  "\t\"lastName\":\"Test\",\n" +
                  "\t\"passengerId\":\"220802200005217748\",\n" +
                  "\t\"telephone\":\"13104362222\"\n" +
                  "}", new String(prettyBytes));
      }
  
      public static class Passenger {
          public String passengerId;
          public String firstName;
          public String lastName;
          public int age;
          public String telephone;
      }
  }
  