diff --git a/hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/realtime/TestHoodieRealtimeFileSplit.java b/hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/realtime/TestHoodieRealtimeFileSplit.java
index a6ca32769cf8d..d2c4f1be61d9f 100644
--- a/hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/realtime/TestHoodieRealtimeFileSplit.java
+++ b/hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/realtime/TestHoodieRealtimeFileSplit.java
@@ -18,11 +18,12 @@
 
 package org.apache.hudi.hadoop.realtime;
 
+import org.apache.hudi.common.model.HoodieLogFile;
+import org.apache.hudi.common.util.Option;
+
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapred.FileSplit;
-import org.apache.hudi.common.model.HoodieLogFile;
-import org.apache.hudi.common.util.Option;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -33,7 +34,11 @@
 import org.mockito.stubbing.Answer;
 
 import java.io.DataInput;
+import java.io.DataInputStream;
 import java.io.DataOutput;
+import java.io.DataOutputStream;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.Collections;
@@ -156,4 +161,18 @@ public Void answer(InvocationOnMock invocation) throws Throwable {
     assertEquals(deltaLogPaths, read.getDeltaLogPaths());
     assertEquals(split.toString(), read.toString());
   }
+
+  @Test
+  public void testSerDe(@TempDir java.nio.file.Path tempDir) throws IOException {
+    final HoodieRealtimeFileSplit original = split;
+    java.nio.file.Path tempFilePath = tempDir.resolve("tmp.txt");
+    try (DataOutputStream out = new DataOutputStream(new FileOutputStream(tempFilePath.toFile()))) {
+      original.write(out);
+    }
+    HoodieRealtimeFileSplit deserialized = new HoodieRealtimeFileSplit();
+    try (DataInputStream in = new DataInputStream(new FileInputStream(tempFilePath.toFile()))) {
+      deserialized.readFields(in);
+    }
+    assertEquals(original.toString(), deserialized.toString());
+  }
 }