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.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  public class AutoTypeTest27 {
      @Test
      public void test_unmodifiableCollection() throws Exception {
          Collection collection = new ArrayList<>();
          Bean1 bean = new Bean1();
          bean.items = Collections.unmodifiableCollection(collection);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
      }
  
      @Test
      public void test_unmodifiableSet() throws Exception {
          Set collection = new HashSet();
          Bean1 bean = new Bean1();
          bean.items = Collections.unmodifiableSet(collection);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
      }
  
      @Test
      public void test_unmodifiableSortedSet() throws Exception {
          SortedSet collection = new TreeSet();
          collection.add("A");
  
          Bean1 bean = new Bean1();
          bean.items = Collections.unmodifiableSortedSet(collection);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
      }
  
      @Test
      public void test_unmodifiableNavigableSet() throws Exception {
          TreeSet collection = new TreeSet();
          collection.add("A");
          Bean1 bean = new Bean1();
          bean.items = Collections.unmodifiableNavigableSet(collection);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
          assertSame(bean.items.size(), bean2.items.size());
      }
  
      @Test
      public void test_emptySet() throws Exception {
          Bean1 bean = new Bean1();
          bean.items = Collections.emptySet();
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
          assertSame(bean.items.size(), bean2.items.size());
      }
  
      @Test
      public void test_singletonSet() throws Exception {
          Bean1 bean = new Bean1();
          bean.items = Collections.singleton("1");
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
          assertSame(bean.items.size(), bean2.items.size());
      }
  
      @Test
      public void test_subList() throws Exception {
          ArrayList list = new ArrayList();
          list.add(0);
          list.add(1);
          list.add(2);
          Bean1 bean = new Bean1();
          bean.items = list.subList(0, 1);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.size(), bean2.items.size());
          assertSame(bean.items.stream().findFirst().get(), bean2.items.stream().findFirst().get());
      }
  
      @Test
      public void test_subList2() throws Exception {
          LinkedList list = new LinkedList();
          list.add(0);
          list.add(1);
          list.add(2);
          Bean1 bean = new Bean1();
          bean.items = list.subList(0, 1);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.size(), bean2.items.size());
          assertSame(bean.items.stream().findFirst().get(), bean2.items.stream().findFirst().get());
      }
  
      @Test
      public void test_arrayList() throws Exception {
          Bean1 bean = new Bean1();
          bean.items = Arrays.asList(0, 1, 2, 3);
  
          byte[] bytes = JSONB.toBytes(bean,
                  JSONWriter.Feature.WriteClassName,
                  JSONWriter.Feature.FieldBased,
                  JSONWriter.Feature.ReferenceDetection,
                  JSONWriter.Feature.WriteNulls,
                  JSONWriter.Feature.NotWriteDefaultValue
          );
  
          JSONB.dump(bytes);
  
          Bean1 bean2 = (Bean1) JSONB.parseObject(bytes, Object.class, JSONReader.Feature.SupportAutoType, JSONReader.Feature.FieldBased);
          assertNotNull(bean2);
          assertNotNull(bean2.items);
  
          assertSame(bean.items.getClass(), bean2.items.getClass());
          assertSame(bean.items.size(), bean2.items.size());
          assertSame(bean.items.stream().findFirst().get(), bean2.items.stream().findFirst().get());
      }
  
      public static class Bean1 {
          Collection items;
      }
  }
  