--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/test-classes/DummyClassHelper.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2015, 2019, 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.lang.*;
+import java.lang.reflect.*;
+import jdk.test.lib.cds.CDSTestUtils;
+import sun.hotspot.WhiteBox;
+
+public class DummyClassHelper {
+    static void checkDummyMethod(Class<?> cls, String className) {
+        Method m = null;
+        try {
+            m = cls.getMethod("thisClassIsDummy");
+            throw new java.lang.RuntimeException(className +
+                " should be loaded from the jimage and should not have the thisClassIsDummy() method.");
+        } catch(NoSuchMethodException ex) {
+            System.out.println(ex.toString());
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        String[] classNames = {args[0], args[1]};
+        Class cls = null;
+        boolean doWBCheck = (args.length == 3);
+        WhiteBox wb = null;
+        if (doWBCheck) {
+            wb = WhiteBox.getWhiteBox();
+        }
+        for (int i = 0; i < classNames.length; i++) {
+            cls = Class.forName(classNames[i]);
+            checkDummyMethod(cls, classNames[i]);
+            if (doWBCheck) {
+                // FIXME: for dynamic archive, the class loaded from the
+                // bootclasspath jar during dump time is not loaded from the
+                // archive during run time.
+                if (!CDSTestUtils.isDynamicArchive()) {
+                    if (!wb.isSharedClass(cls)) {
+                        throw new java.lang.RuntimeException(classNames[i] +
+                            ".class should be in shared space.");
+                    }
+                }
+            }
+        }
+    }
+}