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Description
问题描述
反序列化BigDecimal时变成了负数,fastjson 1.2.83无此问题
环境信息
- OS信息: [MacOS 12.7.4 M1 Pro 16 GB]
- JDK信息: [Openjdk 17.0.6]
- 版本信息:[Fastjson2 2.0.50]
重现步骤
import com.alibaba.fastjson2.JSON;
import org.junit.jupiter.api.Test;
import java.math.BigDecimal;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class Issue1204Mutated_504 {
@Test
public void testMutated() throws Exception {
BigDecimal decimal = BigDecimal.valueOf(Long.MAX_VALUE).add(BigDecimal.ONE);
String str = JSON.toJSONString(decimal);
assertEquals("9223372036854775808", str);
BigDecimal decimal1 = (BigDecimal) JSON.parseObject(str,BigDecimal.class);
assertEquals(decimal.stripTrailingZeros(), decimal1);
}
@Test
public void testMutated1() throws Exception {
BigDecimal decimal = BigDecimal.valueOf(Long.MAX_VALUE).add(BigDecimal.TEN);
String str = JSON.toJSONString(decimal);
assertEquals("9223372036854775817", str);
BigDecimal decimal1 = (BigDecimal) JSON.parseObject(str,BigDecimal.class);
assertEquals(decimal.stripTrailingZeros(), decimal1);
}
@Test
public void testMutate1() throws Exception {
// 1.2.83
BigDecimal decimal = BigDecimal.valueOf(Long.MAX_VALUE).add(BigDecimal.ONE);
String str = com.alibaba.fastjson.JSON.toJSONString(decimal);
assertEquals("9223372036854775808", str);
BigDecimal decimal1 = (BigDecimal) com.alibaba.fastjson.JSON.parseObject(str,BigDecimal.class);
assertEquals(decimal.stripTrailingZeros(), decimal1);
}
}期待的正确结果
9223372036854775808
相关日志输出
org.opentest4j.AssertionFailedError:
Expected :9223372036854775808
Actual :-9223372036854775808