content: package com.alibaba.fastjson2.issues_3300;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import com.alibaba.fastjson2.JSONReader;
  import org.junit.jupiter.api.Test;
  
  import java.nio.charset.StandardCharsets;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue3347 {
      @Test
      public void test() {
          String json2 = "{\"*/*\":{\"schema\":{\"$ref\":\"Error-ModelName{namespace='javax.servlet.http', name='HttpServletResponse'}\"}}}";
          String expected = "Error-ModelName{namespace='javax.servlet.http', name='HttpServletResponse'}";
          {
              JSONObject jsonObject4 = JSON.parseObject(json2);
              assertEquals(expected, jsonObject4.getJSONObject("*/*").getJSONObject("schema").getString("$ref"));
          }
          {
              JSONObject jsonObject4 = JSON.parseObject(json2.getBytes(StandardCharsets.UTF_8));
              assertEquals(expected, jsonObject4.getJSONObject("*/*").getJSONObject("schema").getString("$ref"));
          }
          {
              JSONObject jsonObject4 = JSON.parseObject(json2.toCharArray());
              assertEquals(expected, jsonObject4.getJSONObject("*/*").getJSONObject("schema").getString("$ref"));
          }
          {
              JSONObject jsonObject4 = JSON.parseObject(json2, JSONReader.Feature.DisableReferenceDetect);
              assertEquals(expected, jsonObject4.getJSONObject("*/*").getJSONObject("schema").getString("$ref"));
          }
      }
  }
  