content: package com.alibaba.json.bvt.parser.deser;
  
  import java.util.Hashtable;
  
  import junit.framework.TestCase;
  
  import org.junit.Assert;
  
  import com.alibaba.fastjson.JSON;
  
  public class HashtableFieldTest extends TestCase {
  
      public void test_null() throws Exception {
          Entity value = JSON.parseObject("{value:null}", Entity.class);
          Assert.assertNull(value.getValue());
      }
  
      public void test_empty() throws Exception {
          Entity value = JSON.parseObject("{value:{}}", Entity.class);
          Assert.assertEquals(0, value.getValue().size());
      }
      
      public void test_null_2() throws Exception {
          Entity value = JSON.parseObject("{\"value\":null}", Entity.class);
          Assert.assertNull(value.getValue());
      }
      
      public void test_empty_a() throws Exception {
          A value = JSON.parseObject("{value:{\"@type\":\"java.util.Hashtable\"}}", A.class);
          Assert.assertEquals(0, ((Hashtable)value.getValue()).size());
      }
  
      private static class Entity {
  
          private Hashtable value;
  
          public Hashtable getValue() {
              return value;
          }
  
          public void setValue(Hashtable value) {
              this.value = value;
          }
      }
      
      private static class A {
  
          private Object value;
  
          public Object getValue() {
              return value;
          }
  
          public void setValue(Object value) {
              this.value = value;
          }
      }
  }
  