content: package com.alibaba.fastjson2.autoType;
  
  import com.alibaba.fastjson2.JSONB;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.JSONWriter;
  import org.junit.jupiter.api.Test;
  
  import java.util.*;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class AutoTypeTest20 {
      @Test
      public void test_1() throws Exception {
          Bean1 bean = new Bean1();
          bean.values = new LinkedList<>();
          bean.values.add(XItem.A);
          bean.values.add(XItem.B);
          bean.values.add(XItem.C);
          bean.values.add(XItem.D);
  
          byte[] bytes = JSONB.toBytes(bean, JSONWriter.Feature.WriteClassName, JSONWriter.Feature.FieldBased, JSONWriter.Feature.ReferenceDetection);
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.values);
          assertEquals(bean.values.getClass(), bean2.values.getClass());
          assertEquals(bean.values.size(), bean2.values.size());
          assertEquals(bean.values.get(0).getClass(), bean2.values.get(0).getClass());
          assertEquals(bean.values.get(1).getClass(), bean2.values.get(1).getClass());
          assertEquals(bean.values.get(2).getClass(), bean2.values.get(2).getClass());
          assertEquals(bean.values.get(3).getClass(), bean2.values.get(3).getClass());
      }
  
      public static class Bean1 {
          public List<Item> values;
      }
  
      public static interface Item {
      }
  
      public static enum XItem implements Item {
          A, B, C, D
      }
  
      @Test
      public void test_2() throws Exception {
          Bean2 bean = new Bean2();
          bean.values = new LinkedHashSet<>();
          bean.values.add(XItem.A);
          bean.values.add(XItem.B);
          bean.values.add(XItem.C);
          bean.values.add(XItem.D);
  
          byte[] bytes = JSONB.toBytes(bean, JSONWriter.Feature.WriteClassName, JSONWriter.Feature.FieldBased, JSONWriter.Feature.ReferenceDetection);
  
          JSONB.dump(bytes);
  
          Bean2 bean2 = (Bean2) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.values);
          assertEquals(bean.values.getClass(), bean2.values.getClass());
          assertEquals(bean.values.size(), bean2.values.size());
  
          Object[] array = bean.values.toArray();
          Object[] array2 = bean2.values.toArray();
  
          assertEquals(array[0].getClass(), array2[0].getClass());
          assertEquals(array[1].getClass(), array2[1].getClass());
          assertEquals(array[2].getClass(), array2[2].getClass());
          assertEquals(array[3].getClass(), array2[3].getClass());
      }
  
      @Test
      public void test_2_name() throws Exception {
          Bean2 bean = new Bean2();
          bean.values = new LinkedHashSet<>();
          bean.values.add(XItem.A);
          bean.values.add(XItem.B);
          bean.values.add(XItem.C);
          bean.values.add(XItem.D);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.NotWriteDefaultValue,
                  JSONWriter.Feature.WriteEnumsUsingName,
                  JSONWriter.Feature.ReferenceDetection
          );
  
          JSONB.dump(bytes);
  
          Bean2 bean2 = (Bean2) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.values);
          assertEquals(bean.values.getClass(), bean2.values.getClass());
          assertEquals(bean.values.size(), bean2.values.size());
  
          Object[] array = bean.values.toArray();
          Object[] array2 = bean2.values.toArray();
  
          assertEquals(array[0].getClass(), array2[0].getClass());
          assertEquals(array[1].getClass(), array2[1].getClass());
          assertEquals(array[2].getClass(), array2[2].getClass());
          assertEquals(array[3].getClass(), array2[3].getClass());
      }
  
      public static class Bean2 {
          public Set<Item> values;
      }
  
      @Test
      public void test_3() throws Exception {
          Bean3 bean = new Bean3();
          bean.values = new HashSet();
          bean.values.add(XItem.A);
          bean.values.add(XItem.B);
          bean.values.add(XItem.C);
          bean.values.add(XItem.D);
  
          byte[] bytes = JSONB.toBytes(bean, JSONWriter.Feature.WriteClassName, JSONWriter.Feature.FieldBased, JSONWriter.Feature.ReferenceDetection);
  
          JSONB.dump(bytes);
  
          Bean3 bean2 = (Bean3) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.values);
          assertEquals(bean.values.getClass(), bean2.values.getClass());
          assertEquals(bean.values.size(), bean2.values.size());
  
          Object[] array = bean.values.toArray();
          Object[] array2 = bean2.values.toArray();
  
          assertEquals(array[0].getClass(), array2[0].getClass());
          assertEquals(array[1].getClass(), array2[1].getClass());
          assertEquals(array[2].getClass(), array2[2].getClass());
          assertEquals(array[3].getClass(), array2[3].getClass());
      }
  
      public static class Bean3<T extends Item> {
          public Set<T> values;
      }
  }
  