content: package com.alibaba.fastjson2.issues_2800;
  
  import com.alibaba.fastjson2.JSON;
  import org.junit.jupiter.api.Test;
  
  import java.math.BigDecimal;
  
  import static com.alibaba.fastjson2.JSONWriter.Feature.BrowserCompatible;
  import static com.alibaba.fastjson2.JSONWriter.Feature.WriteBigDecimalAsPlain;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue2854 {
      @Test
      public void test() {
          BigDecimal decimal = new BigDecimal("12345678901234567890");
          String expected = "\"12345678901234567890\"";
          assertEquals(expected, JSON.toJSONString(decimal, WriteBigDecimalAsPlain, BrowserCompatible));
  
          assertEquals(expected,
                  new String(JSON.toJSONBytes(decimal, WriteBigDecimalAsPlain, BrowserCompatible)));
  
          Bean bean = new Bean();
          bean.decimal = decimal;
  
          assertEquals("{\"decimal\":\"12345678901234567890\"}",
                  JSON.toJSONString(bean, WriteBigDecimalAsPlain, BrowserCompatible));
  
          assertEquals("{\"decimal\":\"12345678901234567890\"}",
                  new String(JSON.toJSONBytes(bean, WriteBigDecimalAsPlain, BrowserCompatible)));
      }
  
      public static class Bean {
          public BigDecimal decimal;
      }
  }
  