content: package com.alibaba.fastjson2.autoType;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONFactory;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.util.TypeUtils;
  import com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class AutoTypeTest47 {
      @Test
      public void test_0() throws Exception {
          String text = "{\"@type\":\"com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase\"}";
          JSONFactory.getDefaultObjectReaderProvider().setAutoTypeBeforeHandler(
                  (String typeName, Class<?> expectClass, long features)
                          -> typeName.equals("com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase")
                          ? TypeUtils.loadClass(typeName)
                          : null
          );
          PoolBackedDataSourceBase dataSource = (PoolBackedDataSourceBase) JSON.parseObject(text, Object.class, JSONReader.Feature.SupportAutoType);
          assertNotNull(dataSource);
      }
  }
  