diff a/test/jdk/java/util/Collections/AsLifoQueue.java b/test/jdk/java/util/Collections/AsLifoQueue.java
--- a/test/jdk/java/util/Collections/AsLifoQueue.java
+++ b/test/jdk/java/util/Collections/AsLifoQueue.java
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2005, 2014, 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     6301085 6192552 6365601
  * @summary Basic tests for asLifoQueue
  * @author  Martin Buchholz
+ * @library /test/lib
  */
 
+import jdk.test.lib.valueclass.VClass;
 import java.util.*;
 import java.util.concurrent.*;
 
 public class AsLifoQueue {
 
@@ -70,10 +72,21 @@
             check(q.isEmpty());
             equal(q.size(), 0);
         } catch (Throwable t) { unexpected(t); }
 
         THROWS(NullPointerException.class, () -> Collections.asLifoQueue(null));
+
+        try {
+            Deque<VClass> deq = new ArrayDeque<>();
+            Queue<VClass> q = Collections.asLifoQueue(deq);
+            check(q.add(new VClass(1, new int[] { 1 })));
+            check(q.add(new VClass(2, new int[] { 2 })));
+            equal(q.peek(), new VClass(2, new int[] { 2 }));
+            equal(q.remove(), new VClass(2, new int[] { 2 }));
+            equal(q.poll(), new VClass(1, new int[] { 1 }));
+            check(q.isEmpty());
+        } catch (Throwable t) { unexpected(t); }
     }
 
     //--------------------- Infrastructure ---------------------------
     static volatile int passed = 0, failed = 0;
     static void pass() {passed++;}