content: package com.alibaba.fastjson2.reader;
  
  import com.alibaba.fastjson2.JSONException;
  import com.alibaba.fastjson2.JSONFactory;
  import com.alibaba.fastjson2.JSONSchemaValidException;
  import com.alibaba.fastjson2.annotation.JSONField;
  import org.junit.jupiter.api.Test;
  
  import java.math.BigInteger;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class FieldReaderBigIntegerFieldTest {
      @Test
      public void test() {
          Bean bean = new Bean();
          ObjectReader objectReader = JSONFactory.getDefaultObjectReaderProvider().getObjectReader(Bean.class);
          FieldReader fieldReader = objectReader.getFieldReader("value");
          fieldReader.accept(bean, "123");
          assertEquals(new BigInteger("123"), bean.value);
  
          assertThrows(JSONException.class, () -> fieldReader.accept(bean, new Object()));
      }
  
      private static class Bean {
          public BigInteger value;
      }
  
      @Test
      public void test1() {
          Bean1 bean = new Bean1();
          ObjectReader objectReader = JSONFactory.getDefaultObjectReaderProvider().getObjectReader(Bean1.class);
          FieldReader fieldReader = objectReader.getFieldReader("value");
          assertThrows(JSONSchemaValidException.class, () -> fieldReader.accept(bean, "123"));
          assertThrows(JSONSchemaValidException.class, () -> fieldReader.accept(bean, 123));
          assertThrows(JSONSchemaValidException.class, () -> fieldReader.accept(bean, 123L));
      }
  
      private static class Bean1 {
          @JSONField(schema = "{'minimum':128}")
          public BigInteger value;
      }
  }
  