--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/Locale/Bug8004240.java	Mon Mar 04 20:46:42 2013 -0800
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2013, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8004240
+ * @summary Verify that getAdapterPreference returns an unmodifiable list.
+ * @compile -XDignore.symbol.file Bug8004240.java
+ * @run main Bug8004240
+ */
+
+import java.util.List;
+import sun.util.locale.provider.LocaleProviderAdapter;
+
+public class Bug8004240 {
+
+    public static void main(String[] args) {
+        List<LocaleProviderAdapter.Type> types = LocaleProviderAdapter.getAdapterPreference();
+
+        try {
+            types.set(0, null);
+        } catch (UnsupportedOperationException e) {
+            // success
+            return;
+        }
+
+        throw new RuntimeException("LocaleProviderAdapter.getAdapterPrefence() returned a modifiable list.");
+    }
+}