content: package com.alibaba.fastjson2.issues_1700;
  
  import com.alibaba.fastjson2.JSON;
  import org.junit.jupiter.api.Test;
  
  import java.nio.charset.StandardCharsets;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue1735 {
      String str = "{\"DG_GridMain\":[{\"PKFIELDNAME\":1},{\"FIELDNAME\":2}]}";
      String expected = "{\"DG_GridMain\":[{\"PKFIELDNAME\":1},{\"FIELDNAME\":2}]}";
  
      @Test
      public void test() {
          Object object = JSON.parseObject(str);
          assertEquals(expected, JSON.toJSONString(object));
      }
  
      @Test
      public void testBytesUTF8() {
          byte[] bytes = str.getBytes();
          Object object = JSON.parseObject(bytes, 0, bytes.length, StandardCharsets.UTF_8);
          assertEquals(expected, JSON.toJSONString(object));
      }
  
      @Test
      public void testBytesLatin1() {
          byte[] bytes = str.getBytes();
          Object object = JSON.parseObject(bytes, 0, bytes.length, StandardCharsets.ISO_8859_1);
          assertEquals(expected, JSON.toJSONString(object));
      }
  
      @Test
      public void testChars() {
          Object object = JSON.parseObject(str.toCharArray());
          assertEquals(expected, JSON.toJSONString(object));
      }
  }
  