content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.annotation.JSONField;
  import org.junit.jupiter.api.Test;
  
  import java.math.BigDecimal;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class GenericTest {
      @Test
      public void test() {
          assertEquals("{\"value\":\"12\"}", JSON.toJSONString(new Bean("12")));
          assertEquals("{\"value\":1}", JSON.toJSONString(new Bean(BigDecimal.ONE)));
          assertEquals("{\"value\":[1]}", JSON.toJSONString(new Bean(new BigDecimal[]{BigDecimal.ONE})));
      }
  
      public static class Bean<T> {
          public T value;
  
          public Bean(T value) {
              this.value = value;
          }
      }
  
      @Test
      public void test1() {
          assertEquals("{\"value\":1.00}", JSON.toJSONString(new Bean1(BigDecimal.ONE)));
          assertEquals("{\"value\":[1.00]}", JSON.toJSONString(new Bean1(new BigDecimal[]{BigDecimal.ONE})));
      }
  
      public static class Bean1<T> {
          @JSONField(format = "0.00")
          public T value;
  
          public Bean1(T value) {
              this.value = value;
          }
      }
  
      @Test
      public void test2() {
          assertEquals("{\"value\":[1.00]}", JSON.toJSONString(new Bean2(new BigDecimal[]{BigDecimal.ONE})));
      }
  
      public static class Bean2<T> {
          @JSONField(format = "0.00")
          public T value;
  
          public Bean2(T value) {
              this.value = value;
          }
      }
  }
  