From d4c54100f9c1554d18a6280735aa6419fb9d8912 Mon Sep 17 00:00:00 2001
From: "shaojin.wensj" <shaojin.wensj@alibaba-inc.com>
Date: Sat, 28 Oct 2023 20:57:25 +0800
Subject: [PATCH] improve testcase

---
 .../alibaba/fastjson2/v1issues/issue_1900/Issue1919.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1900/Issue1919.java b/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1900/Issue1919.java
index 3b24e2e35c..7d50cb6ac5 100644
--- a/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1900/Issue1919.java
+++ b/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1900/Issue1919.java
@@ -1,8 +1,12 @@
 package com.alibaba.fastjson2.v1issues.issue_1900;
 
 import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONObject;
+import com.alibaba.fastjson2.JSONWriter;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class Issue1919 {
     @Test
     public void test() {
@@ -10,7 +14,8 @@ public void test() {
         for (int i = 0; i < 2500; i++) {
             buf.append('0');
         }
-        String a = buf.append("}").toString();
-        JSON.parseObject(a);
+        String str = buf.append("}").toString();
+        JSONObject jsonObject = JSON.parseObject(str);
+        assertEquals(str, jsonObject.toJSONString(JSONWriter.Feature.WriteBigDecimalAsPlain));
     }
 }