@@ -0,0 +1,959 @@
+package com.alibaba.json.bvt.bug;%0A%0Aimport java.math.BigInteger;%0A%0Aimport org.junit.Assert;%0A%0Aimport com.alibaba.fastjson.JSON;%0Aimport com.alibaba.fastjson.JSONObject;%0A%0Aimport junit.framework.TestCase;%0A%0Apublic class Bug_for_issue_462 extends TestCase %7B%0A    public void test_int() throws Exception %7B%0A        JSONObject object = JSON.parseObject(%22%7B%5C%22value%5C%22:1001%7D%22);%0A        Object value = object.get(%22value%22);%0A        Assert.assertEquals(Integer.class, value.getClass());%0A    %7D%0A    %0A    public void test_long() throws Exception %7B%0A        JSONObject object = JSON.parseObject(%22%7B%5C%22value%5C%22:2147483649%7D%22);%0A        Object value = object.get(%22value%22);%0A        Assert.assertEquals(Long.class, value.getClass());%0A    %7D%0A    %0A    public void test_bigint() throws Exception %7B%0A        JSONObject object = JSON.parseObject(%22%7B%5C%22value%5C%22:9223372036854775808%7D%22);%0A        Object value = object.get(%22value%22);%0A        Assert.assertEquals(BigInteger.class, value.getClass());%0A    %7D%0A%7D%0A

add testcase for issue 462. https://github.com/alibaba/fastjson/issues/462