--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/management/CheckSomeMXBeanImplPackage.java	Fri Apr 17 09:40:02 2015 +0200
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2015, 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.management.ManagementFactory;
+import java.lang.management.PlatformManagedObject;
+
+/*
+ * @test
+ * @bug     8042901
+ * @summary If jdk.management is present, GarbageCollectorMXBean and ThreadMXBean
+ *          must be from com.sun.management.internal
+ * @author  Shanliang Jiang
+ */
+public class CheckSomeMXBeanImplPackage {
+    private static String implPackageName = "com.sun.management.internal";
+
+    public static void main(String[] args) throws Exception {
+        boolean present = false;
+        try {
+            Class.forName("com.sun.management.GarbageCollectorMXBean");
+            present = true;
+        } catch (ClassNotFoundException cnfe) {}
+
+        if (present) {
+            Class <? extends PlatformManagedObject> klazz =
+                    java.lang.management.GarbageCollectorMXBean.class;
+            for (Object obj :
+                    ManagementFactory.getPlatformMXBeans(klazz)) {
+                check(klazz.getName(), obj);
+            }
+
+            klazz = com.sun.management.GarbageCollectorMXBean.class;
+            for (Object obj :
+                    ManagementFactory.getPlatformMXBeans(klazz)) {
+                check(klazz.getName(), obj);
+            }
+
+            klazz = java.lang.management.ThreadMXBean.class;
+            check(klazz.getName(),
+                    ManagementFactory.getPlatformMXBean(klazz));
+
+            klazz = com.sun.management.ThreadMXBean.class;
+            check(klazz.getName(),
+                    ManagementFactory.getPlatformMXBean(klazz));
+
+            System.out.println("--- PASSED!");
+        } else {
+            System.out.println("--- Skip the test, jdk.management module is not present!");
+        }
+    }
+
+    private static void check(String mbeanName, Object impl) {
+        if (!impl.getClass().getName().startsWith(implPackageName)) {
+            throw new RuntimeException(mbeanName+" implementation package "
+                    + "should be: " + implPackageName
+                    + ", but got: " + impl.getClass());
+        } else {
+            System.out.println("--- Good, "+mbeanName+" got right implementation: " + impl);
+        }
+    }
+}