@@ -0,0 +1,580 @@
+package com.alibaba.json.bvt.issue_3200;%0A%0Aimport com.alibaba.fastjson.JSON;%0Aimport com.alibaba.fastjson.serializer.SerializerFeature;%0Aimport junit.framework.TestCase;%0A%0Apublic class Issue3283 extends TestCase %7B%0A    public void test_for_issue() throws Exception %7B%0A        VO v = new VO();%0A        v.v0 = 1001L;%0A        v.v1 = 101;%0A%0A        String str = JSON.toJSONString(v, SerializerFeature.WriteNonStringValueAsString);%0A%0A        assertEquals(%22:%7B%5C%22v0%5C%22:%5C%221001%5C%22,%5C%22v1%5C%22:%5C%22101%5C%22%7D%22, str);%0A    %7D%0A%0A    public static class VO %7B%0A        public Long v0;%0A        public Integer v1;%0A    %7D%0A%7D%0A

add testcase for #3283