content: package com.alibaba.fastjson2.issues_2600;
  
  import com.alibaba.fastjson2.JSON;
  import org.junit.jupiter.api.Test;
  
  import java.nio.charset.StandardCharsets;
  import java.util.List;
  
  import static com.alibaba.fastjson2.JSONReader.Feature.SupportAutoType;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue2608 {
      @Test
      public void testLong() {
          String str = "[300000000L]";
          {
              List list = JSON.parseObject(str, List.class, SupportAutoType);
              assertEquals(Long.class, list.get(0).getClass());
          }
          {
              List list = JSON.parseObject(str.toCharArray(), List.class, SupportAutoType);
              assertEquals(Long.class, list.get(0).getClass());
          }
          byte[] utf8 = str.getBytes(StandardCharsets.UTF_8);
          {
              List list = JSON.parseObject(utf8, List.class, SupportAutoType);
              assertEquals(Long.class, list.get(0).getClass());
          }
          {
              List list = JSON.parseObject(
                      utf8, 0, utf8.length, StandardCharsets.UTF_8, List.class, SupportAutoType);
              assertEquals(Long.class, list.get(0).getClass());
          }
          {
              List list = JSON.parseObject(
                      utf8, 0, utf8.length, StandardCharsets.US_ASCII, List.class, SupportAutoType);
              assertEquals(Long.class, list.get(0).getClass());
          }
      }
  }
  