--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/appcds/customLoader/test-classes/LoaderSegregation.java	Mon Nov 27 20:21:34 2017 -0800
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2015, 2017, 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.
+ *
+ */
+
+import java.io.*;
+import java.net.*;
+import sun.hotspot.WhiteBox;
+
+public class LoaderSegregation {
+    // Use these definitions instead of literal strings, to avoid typos.
+    static final String ONLY_BUILTIN      = "OnlyBuiltin";
+    static final String ONLY_UNREGISTERED = "OnlyUnregistered";
+
+    public static void main(String args[]) throws Exception {
+        WhiteBox wb = WhiteBox.getWhiteBox();
+
+        // [A] An archived BUILTIN class cannot be a subclass of a non-BUILTIN class.
+        // [B] An archived BUILTIN class cannot implement a non-BUILTIN interface.
+        if (wb.isSharedClass(LoaderSegregation.class)) {
+            // [1] check that CustomLoadee is loadable from archive
+            if (!wb.isSharedClass(CustomLoadee.class)) {
+                throw new RuntimeException("wb.isSharedClass(CustomLoadee.class) should be true");
+            }
+
+            // [2] CustomInterface2_ia should be archived, even though it was not specified in the classlist.
+            //     It was successfully dumped as a side effect of attempting to load CustomLoadee2
+            //     during dump time. Note that CustomLoadee2 failed to dump because one of its interfaces,
+            //     CustomInterface2_ib, was not loadable from the BOOT/EXT/APP classpath. during dump time.
+            if (!wb.isSharedClass(CustomInterface2_ia.class)) {
+                throw new RuntimeException("wb.isSharedClass(CustomInterface2_ia.class) should be true");
+            }
+
+            // [3] Check that the BUILTIN versions of CustomLoadee2 and CustomLoadee3Child are loadable
+            //     at run time (since we have append LoaderSegregation_app2.jar the classpath),
+            //     but these classes must be loaded from the JAR file.
+            if (wb.isSharedClass(CustomLoadee2.class)) {
+                throw new RuntimeException("wb.isSharedClass(CustomLoadee2.class) should be false");
+            }
+            if (wb.isSharedClass(CustomLoadee3.class)) {
+                throw new RuntimeException("wb.isSharedClass(CustomLoadee3.class) should be false");
+            }
+            if (wb.isSharedClass(CustomLoadee3Child.class)) {
+                throw new RuntimeException("wb.isSharedClass(CustomLoadee3Child.class) should be false");
+            }
+        }
+
+        // [C] BUILTIN and UNREGISTERED classes can be loaded only by their corresponding
+        //     type of loaders.
+
+        String path = args[0];
+        File jarFile = new File(path);
+        URL url = new File(path).toURI().toURL();
+        URL[] urls = new URL[] {url};
+        ClassLoader appLoader = LoaderSegregation.class.getClassLoader();
+
+        { // BUILTIN LOADER
+            try {
+                appLoader.loadClass(ONLY_UNREGISTERED);
+                throw new RuntimeException("BUILTIN loader cannot load archived UNREGISTERED class");
+            } catch (ClassNotFoundException expected) {}
+        }
+
+        { // UNREGISTERED LOADER
+            URLClassLoader urlClassLoader = new URLClassLoader(urls);
+            Class c2 = Util.defineClassFromJAR(urlClassLoader, jarFile, ONLY_BUILTIN);
+
+            if (c2.getClassLoader() != urlClassLoader) {
+                throw new RuntimeException("Error in test");
+            }
+
+            if (wb.isSharedClass(LoaderSegregation.class)) {
+                if (wb.isSharedClass(c2)) {
+                    throw new RuntimeException("wb.isSharedClass(c2) should be false - " +
+                                               "unregistered loader cannot load an archived BUILTIN class");
+                }
+            }
+        }
+    }
+}