add testcase for issue #661

alibaba · Aug 9, 2022 · 988697d · 988697d
1 parent db4b4bf
commit 988697d
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diff --git a/core/src/test/java/com/alibaba/fastjson2/issues/Issue661.java b/core/src/test/java/com/alibaba/fastjson2/issues/Issue661.java
@@ -0,0 +1,39 @@
+package com.alibaba.fastjson2.issues;
+
+import com.alibaba.fastjson2.JSON;
+import lombok.Data;
+import org.junit.jupiter.api.RepeatedTest;
+
+import java.util.Collections;
+
+public class Issue661 {
+ @Data
+ static class Response<T> {
+ T data;
+
+ Response(T data) {
+ this.data = data;
+ }
+ }
+
+ @Data
+ static class A {
+ // 没有属性不会异常
+ int a;
+ }
+
+ @RepeatedTest(100)
+ void testB() {
+ for (int i = 0; i < 1000; i++) {
+ JSON.toJSONString(new Response<>(new A()));
+ }
+ }
+
+ @RepeatedTest(100)
+ void testList() {
+ for (int i = 0; i < 1000; i++) {
+ // Collections.singletonList(0)改成0也会异常，异常概率小一些
+ JSON.toJSONString(new Response<>(Collections.singletonList(0)));
+ }
+ }
+}
diff --git a/fastjson1-compatible/src/test/java/com/alibaba/fastjson/v2issues/Issue661.java b/fastjson1-compatible/src/test/java/com/alibaba/fastjson/v2issues/Issue661.java
@@ -0,0 +1,39 @@
+package com.alibaba.fastjson.v2issues;
+
+import com.alibaba.fastjson.JSON;
+import lombok.Data;
+import org.junit.jupiter.api.RepeatedTest;
+
+import java.util.Collections;
+
+public class Issue661 {
+ @Data
+ static class Response<T> {
+ T data;
+
+ Response(T data) {
+ this.data = data;
+ }
+ }
+
+ @Data
+ static class A {
+ // 没有属性不会异常
+ int a;
+ }
+
+ @RepeatedTest(100)
+ void testB() {
+ for (int i = 0; i < 1000; i++) {
+ JSON.toJSONString(new Response<>(new A()));
+ }
+ }
+
+ @RepeatedTest(100)
+ void testList() {
+ for (int i = 0; i < 1000; i++) {
+ // Collections.singletonList(0)改成0也会异常，异常概率小一些
+ JSON.toJSONString(new Response<>(Collections.singletonList(0)));
+ }
+ }
+}