diff --git a/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestSerialization.java b/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestSerialization.java
new file mode 100644
index 00000000000..ac1419a9601
--- /dev/null
+++ b/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestSerialization.java
@@ -0,0 +1,58 @@
+package org.apache.lucene.store.instantiated;
+
+/**
+ * Copyright 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+import junit.framework.TestCase;
+import org.apache.lucene.store.RAMDirectory;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectOutputStream;
+
+public class TestSerialization extends TestCase {
+
+  public void test() throws Exception {
+
+    Directory dir = new RAMDirectory();
+
+    IndexWriter iw = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
+    Document doc = new Document();
+    doc.add(new Field("foo", "bar rab abr bra rba", Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+    doc.add(new Field("moo", "bar rab abr bra rba", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
+    iw.addDocument(doc);
+    iw.close();
+
+    IndexReader ir = IndexReader.open(dir);
+    InstantiatedIndex ii = new InstantiatedIndex(ir);
+    ir.close();
+
+    ByteArrayOutputStream baos = new ByteArrayOutputStream(5000);
+    ObjectOutputStream oos = new ObjectOutputStream(baos);
+    oos.writeObject(ii);
+    oos.close();
+    baos.close();
+
+    
+  }
+
+}