diff a/test/jdk/java/util/Collections/NCopies.java b/test/jdk/java/util/Collections/NCopies.java
--- a/test/jdk/java/util/Collections/NCopies.java
+++ b/test/jdk/java/util/Collections/NCopies.java
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
@@ -24,12 +24,14 @@
 /*
  * @test
  * @bug     6267846 6275009
  * @summary Test Collections.nCopies
  * @author  Martin Buchholz
+ * @library /test/lib
  */
 
+import jdk.test.lib.valueclass.VClass;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.AbstractList;
 import java.util.List;
 import java.util.Objects;
@@ -140,10 +142,19 @@
         check(copies.equals(copies.reversed()));
         List<String> empty = Collections.nCopies(0, "content");
         check(empty.equals(empty.reversed()));
     }
 
+    private static void checkValueCopies() {
+        List<VClass> copies = Collections.nCopies(10, new VClass(7, new int[] { 7 }));
+        check(copies.indexOf(new VClass(7, new int[] { 7 })) == 0);
+        check(copies.lastIndexOf(new VClass(7, new int[] { 7 })) == 9);
+        check(copies.equals(referenceNCopies(10, new VClass(7, new int[] { 7 }))));
+        check(copies.hashCode() == referenceNCopies(10, new VClass(7, new int[] { 7 })).hashCode());
+        check(copies.equals(copies.reversed()));
+    }
+
     public static void main(String[] args) {
         try {
             List<String> empty = Collections.nCopies(0, "foo");
             checkEmpty(empty);
             checkEmpty(empty.subList(0,0));
@@ -156,10 +167,12 @@
 
             checkEquals();
 
             checkReversed();
 
+            checkValueCopies();
+
         } catch (Throwable t) { unexpected(t); }
 
         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
         if (failed > 0) throw new Error("Some tests failed");
     }