This repository was archived by the owner on Oct 23, 2024. It is now read-only.
This repository was archived by the owner on Oct 23, 2024. It is now read-only.
JSONLexerBase类中存在bug #2628
Description
发现bug的版本：1.2.58
涉及到得类：JSONLexerBase
涉及到的方法：
public BigInteger scanFieldBigInteger(char[] fieldName) { .... }
涉及到的代码段：
if (count < 20 || (negative && count < 21)) { value = BigInteger.valueOf(negative ? -intVal : intVal); }
Bug复现：
`
public static void main(String[] args) {
long MAX_LONG = Long.MAX_VALUE; //9223372036854775807
long MIN_LONG = Long.MIN_VALUE; //-9223372036854775808
String s1 = "9423372036854775807"; //-9423372036854775808
BigInteger bi1 = JSON.parseObject(s1, BigInteger.class); //没问题
System.out.println("bi1 = " + bi1);
BigInteger bi2 = new BigInteger(s1); //没问题
System.out.println("bi2 = " + bi2);
Tobject tobj1 = new Tobject();
tobj1.setBi(bi2); //没问题
System.out.println("bi3 = " + tobj1.getBi());
String s2 = JSON.toJSONString(tobj1);
Tobject tobj2 = JSON.parseObject(s2, Tobject.class); //有问题
System.out.println("bi4 = " + tobj2.getBi());
}
static class Tobject {
private BigInteger bi;
public BigInteger getBi() {
return bi;
}
public void setBi(BigInteger bi) {
this.bi = bi;
}
}
`
会出现bug的情况：
[9223372036854775808, 10000000000000000000)和(-10000000000000000000,9223372036854775809]这些数值在作为间接对象的时候，如果用JSON.parseObject(...)转化出来的结果是有bug的。