@@ -0,0 +1,582 @@
+package com.alibaba.json.bvt.bug;%0A%0Aimport com.alibaba.fastjson.JSON;%0Aimport com.alibaba.fastjson.JSONObject;%0A%0Aimport junit.framework.TestCase;%0A%0Apublic class Bug_for_issue_364 extends TestCase %7B%0A    public void test_for_issue() throws Exception %7B%0A        JSONObject jsonObject = new JSONObject(3, true);%0A        jsonObject.put(%22name%22, %22J.K.SAGE%22);%0A        jsonObject.put(%22age%22, 21);%0A        jsonObject.put(%22msg%22, %22Hello!%22);%0A        JSONObject cloneObject = (JSONObject) jsonObject.clone();%0A        assertEquals(JSON.toJSONString(jsonObject), JSON.toJSONString(cloneObject));%0A    %7D%0A%7D%0A

add testcase for issue 364. https://github.com/alibaba/fastjson/issues/364