content: package com.alibaba.json.bvt;
  
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  import junit.framework.Assert;
  import junit.framework.TestCase;
  
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  
  public class JSONObjectTest2 extends TestCase {
  
      public void test_0() throws Exception {
          Map<String, Object> map = new LinkedHashMap<String, Object>();
          JSONObject obj = new JSONObject(map);
  
          Assert.assertEquals(obj.size(), map.size());
  
          map.put("a", 1);
          Assert.assertEquals(obj.size(), map.size());
          Assert.assertEquals(obj.get("a"), map.get("a"));
  
          map.put("b", new int[] { 1 });
          JSONArray array = obj.getJSONArray("b");
          Assert.assertEquals(array.size(), 1);
  
          map.put("c", new JSONArray());
          JSONArray array2 = obj.getJSONArray("b");
          Assert.assertEquals(array2.size(), 1);
  
          Assert.assertEquals(obj.getByteValue("d"), 0);
          Assert.assertEquals(obj.getShortValue("d"), 0);
          Assert.assertEquals(obj.getFloatValue("d"), 0F);
          Assert.assertEquals(obj.getDoubleValue("d"), 0D);
          Assert.assertEquals(obj.getBigInteger("d"), null);
          Assert.assertEquals(obj.getSqlDate("d"), null);
          Assert.assertEquals(obj.getTimestamp("d"), null);
  
          JSONObject obj2 = (JSONObject) obj.clone();
          Assert.assertEquals(obj.size(), obj2.size());
      }
  }
  