/* * Copyright (c) 2007, 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. */ /* * @test * @bug 6518061 * @summary Test that an MBean interface can inherit two methods with * the same signature from two unrelated parent interfaces * @author Eamonn McManus */ import java.util.*; import java.lang.reflect.*; import javax.management.*; public class DuplicateGetterTest { public static interface FooMBean { public MBeanNotificationInfo[] getNotificationInfo(); } public static interface BazMBean { public MBeanNotificationInfo[] getNotificationInfo(); } public static interface BarMBean extends FooMBean, BazMBean { } public static class Bar implements BarMBean { public MBeanNotificationInfo[] getNotificationInfo() { return null; } } public static void main(String[] args) throws Exception { System.out.println("Testing that inheriting the same getter from " + "more than one interface does not cause problems"); DynamicMBean mbean = new StandardMBean(new Bar(), BarMBean.class); // Before fix, preceding line threw exception MBeanAttributeInfo[] attrs = mbean.getMBeanInfo().getAttributes(); System.out.println("Attributes: " + Arrays.toString(attrs)); if (attrs.length != 1) throw new Exception("Wrong number of attributes: " + attrs.length); if (!attrs[0].getName().equals("NotificationInfo")) throw new Exception("Wrong attribute name: " + attrs[0].getName()); System.out.println("Test passed"); } }