From 94c470038a611e4f880a125dd838d915a14776f0 Mon Sep 17 00:00:00 2001
From: "shaojin.wensj" <shaojin.wensj@alibaba-inc.com>
Date: Sat, 28 Oct 2023 21:01:45 +0800
Subject: [PATCH] add testcase for issue #1893

---
 .../v1issues/issue_1800/Issue1893.java        | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1800/Issue1893.java

diff --git a/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1800/Issue1893.java b/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1800/Issue1893.java
new file mode 100644
index 0000000000..93550bb713
--- /dev/null
+++ b/core/src/test/java/com/alibaba/fastjson2/v1issues/issue_1800/Issue1893.java
@@ -0,0 +1,23 @@
+package com.alibaba.fastjson2.v1issues.issue_1800;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONWriter;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class Issue1893 {
+    @Test
+    public void test() throws Exception {
+        assertEquals(
+                "{\"value\":\"0\"}",
+                JSON.toJSONString(new Bean(),
+                        JSONWriter.Feature.WriteNullNumberAsZero,
+                        JSONWriter.Feature.WriteLongAsString)
+        );
+    }
+
+    public static class Bean {
+        public Long value;
+    }
+}