content: package com.alibaba.fastjson2.issues_1600;
  
  import com.alibaba.fastjson2.JSON;
  import org.junit.jupiter.api.Test;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue1652 {
      @Test
      public void testDecimal() {
          BigDecimal decimal = new BigDecimal("25.000000000000000000");
          String s2 = JSON.toJSONString(decimal);
          assertEquals(decimal, JSON.parseObject(s2, BigDecimal.class));
          assertEquals(decimal, JSON.parseObject(s2.getBytes(), BigDecimal.class));
      }
  
      @Test
      public void testDecimal1() {
          BigDecimal decimal = new BigDecimal("25000000000000000000");
          String s2 = JSON.toJSONString(decimal);
          assertEquals(decimal, JSON.parseObject(s2, BigDecimal.class));
          assertEquals(decimal, JSON.parseObject(s2.getBytes(), BigDecimal.class));
      }
  
      @Test
      public void testLong() {
          long val = 2500000000000000000L;
          String s2 = JSON.toJSONString(val);
          assertEquals(val, JSON.parseObject(s2, Long.class));
          assertEquals(val, JSON.parseObject(s2.getBytes(), Long.class));
      }
  
      @Test
      public void testBigInteger() {
          BigInteger bigInt = new BigInteger("25000000000000000000");
          String s2 = JSON.toJSONString(bigInt);
          assertEquals(bigInt, JSON.parseObject(s2, BigInteger.class));
          assertEquals(bigInt, JSON.parseObject(s2.getBytes(), BigInteger.class));
      }
  }
  