--- /dev/null 2015-04-02 17:38:08.000000000 +0200 +++ new/jdk/test/com/sun/management/CheckSomeMXBeanImplPackage.java 2015-04-02 17:38:06.000000000 +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 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); + } + } +} \ No newline at end of file