/* * Copyright (c) 2013, 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 javax.management.MBeanAttributeInfo; import javax.management.MBeanConstructorInfo; import javax.management.MBeanFeatureInfo; import javax.management.MBeanInfo; import javax.management.MBeanNotificationInfo; import javax.management.MBeanOperationInfo; import javax.management.MBeanParameterInfo; import javax.management.modelmbean.DescriptorSupport; import javax.management.openmbean.SimpleType; /* * @test * @bug 8023954 * @summary Test that MBean*Info.equals do not throw NPE * @author Shanliang JIANG * * @run clean MBeanInfoEqualsNPETest * @run build MBeanInfoEqualsNPETest * @run main MBeanInfoEqualsNPETest */ public class MBeanInfoEqualsNPETest { private static int failed = 0; public static void main(String[] args) throws Exception { System.out.println("---MBeanInfoEqualsNPETest-main ..."); // ---- System.out.println("\n---Testing on MBeanAttributeInfo..."); MBeanAttributeInfo mbeanAttributeInfo0 = new MBeanAttributeInfo( "name", SimpleType.INTEGER.getClassName(), "description", true, true, false); MBeanAttributeInfo mbeanAttributeInfo = new MBeanAttributeInfo( null, SimpleType.INTEGER.getClassName(), "description", true, true, false); test(mbeanAttributeInfo0, mbeanAttributeInfo, "class name"); mbeanAttributeInfo = new MBeanAttributeInfo( "name", null, "description", true, true, false); test(mbeanAttributeInfo0, mbeanAttributeInfo, "type"); mbeanAttributeInfo = new MBeanAttributeInfo( "name", SimpleType.INTEGER.getClassName(), null, true, true, false); test(mbeanAttributeInfo0, mbeanAttributeInfo, "description"); // ---- System.out.println("\n---Testing on MBeanConstructorInfo..."); MBeanConstructorInfo mbeanConstructorInfo0 = new MBeanConstructorInfo( "", "", new MBeanParameterInfo[]{}, new DescriptorSupport()); MBeanConstructorInfo mbeanConstructorInfo = new MBeanConstructorInfo( null, "", new MBeanParameterInfo[]{}, new DescriptorSupport()); test(mbeanConstructorInfo0, mbeanConstructorInfo, "name"); mbeanConstructorInfo = new MBeanConstructorInfo( "", null, new MBeanParameterInfo[]{}, new DescriptorSupport()); test(mbeanConstructorInfo0, mbeanConstructorInfo, "description"); mbeanConstructorInfo = new MBeanConstructorInfo( "", "", null, new DescriptorSupport()); test(mbeanConstructorInfo0, mbeanConstructorInfo, "MBeanParameterInfo"); mbeanConstructorInfo = new MBeanConstructorInfo( "", "", new MBeanParameterInfo[]{}, null); test(mbeanConstructorInfo0, mbeanConstructorInfo, "descriptor"); // ---- System.out.println("\n---Testing on MBeanOperationInfo..."); MBeanOperationInfo mbeanOperationInfo0 = new MBeanOperationInfo( "name", "description", new MBeanParameterInfo[]{}, "type", MBeanOperationInfo.UNKNOWN, new DescriptorSupport()); MBeanOperationInfo mbeanOperationInfo = new MBeanOperationInfo( null, "description", new MBeanParameterInfo[]{}, "type", MBeanOperationInfo.UNKNOWN, new DescriptorSupport()); test(mbeanOperationInfo0, mbeanOperationInfo, "name"); mbeanOperationInfo = new MBeanOperationInfo( "name", null, new MBeanParameterInfo[]{}, "type", MBeanOperationInfo.UNKNOWN, new DescriptorSupport()); test(mbeanOperationInfo0, mbeanOperationInfo, "description"); mbeanOperationInfo = new MBeanOperationInfo( "name", "description", null, "type", 1, new DescriptorSupport()); test(mbeanOperationInfo0, mbeanOperationInfo, "MBeanParameterInfo"); mbeanOperationInfo = new MBeanOperationInfo( "name", "description", new MBeanParameterInfo[]{}, null, MBeanOperationInfo.UNKNOWN, new DescriptorSupport()); test(mbeanOperationInfo0, mbeanOperationInfo, "type"); mbeanOperationInfo = new MBeanOperationInfo( "name", "description", new MBeanParameterInfo[]{}, null, MBeanOperationInfo.UNKNOWN, null); test(mbeanOperationInfo0, mbeanOperationInfo, "Descriptor"); // ---- System.out.println("\n---Testing on MBeanParameterInfo..."); MBeanParameterInfo mbeanParameterInfo0 = new MBeanParameterInfo( "name", "type", "description", new DescriptorSupport()); MBeanParameterInfo mbeanParameterInfo = new MBeanParameterInfo( null, "type", "description", new DescriptorSupport()); test(mbeanParameterInfo0, mbeanParameterInfo, "name"); mbeanParameterInfo = new MBeanParameterInfo( "name", null, "description", new DescriptorSupport()); test(mbeanParameterInfo0, mbeanParameterInfo, "type"); mbeanParameterInfo = new MBeanParameterInfo( "name", "type", null, new DescriptorSupport()); test(mbeanParameterInfo0, mbeanParameterInfo, "description"); mbeanParameterInfo = new MBeanParameterInfo( "name", "type", "description", null); test(mbeanParameterInfo0, mbeanParameterInfo, "Descriptor"); // ---- System.out.println("\n---Testing on MBeanFeatureInfo ..."); MBeanFeatureInfo mbeanFeatureInfo0 = new MBeanFeatureInfo( "name", "description", new DescriptorSupport()); MBeanFeatureInfo mbeanFeatureInfo = new MBeanFeatureInfo( null, "description", new DescriptorSupport()); test(mbeanFeatureInfo0, mbeanFeatureInfo, "name"); mbeanFeatureInfo = new MBeanFeatureInfo( "name", null, new DescriptorSupport()); test(mbeanParameterInfo0, mbeanParameterInfo, "description"); mbeanFeatureInfo = new MBeanFeatureInfo( "name", "description", null); test(mbeanParameterInfo0, mbeanParameterInfo, "Descriptor"); // ---- System.out.println("\n---Testing on MBeanInfo..."); String className = "toto"; String description = "titi"; MBeanAttributeInfo[] attrInfos = new MBeanAttributeInfo[]{}; MBeanConstructorInfo[] constrInfos = new MBeanConstructorInfo[]{}; MBeanOperationInfo[] operaInfos = new MBeanOperationInfo[]{}; MBeanNotificationInfo[] notifInfos = new MBeanNotificationInfo[]{}; MBeanInfo minfo0 = new MBeanInfo("toto", description, attrInfos, constrInfos, operaInfos, notifInfos); MBeanInfo minfo = new MBeanInfo(null, description, attrInfos, constrInfos, operaInfos, notifInfos); test(minfo0, minfo, "class name"); minfo = new MBeanInfo(className, null, attrInfos, constrInfos, operaInfos, notifInfos); test(minfo0, minfo, "description"); minfo = new MBeanInfo(className, description, null, constrInfos, operaInfos, notifInfos); test(minfo0, minfo, "attrInfos"); minfo = new MBeanInfo(className, description, attrInfos, null, operaInfos, notifInfos); test(minfo0, minfo, "constrInfos"); minfo = new MBeanInfo(className, description, attrInfos, constrInfos, null, notifInfos); test(minfo0, minfo, "operaInfos"); minfo = new MBeanInfo(className, description, attrInfos, constrInfos, operaInfos, null); test(minfo0, minfo, "notifInfos"); if (failed > 0) { throw new RuntimeException("Test failed: "+failed); } else { System.out.println("---Test: PASSED"); } } private static void test(Object obj1, Object obj2, String param) { try { obj1.equals(obj2); System.out.println("OK-1: "+obj1.getClass().getSimpleName()+".equals worked with a null paramer: "+param); } catch (NullPointerException npe) { System.out.println("--->KO-1!!! "+obj1.getClass().getSimpleName()+".equals got NPE with a null paramer: "+param); npe.printStackTrace(); failed++; } try { obj2.equals(obj1); System.out.println("OK-2: "+obj2.getClass().getSimpleName()+".equals worked with a null paramer: "+param); } catch (NullPointerException npe) { System.out.println("--->KO-2!!! "+obj2.getClass().getSimpleName()+".equals got NPE with a null paramer: "+param); npe.printStackTrace(); failed++; } try { obj1.equals(null); obj2.equals(null); System.out.println("OK-3: "+obj1.getClass().getSimpleName()+".equals worked with a null field."); } catch (NullPointerException npe) { System.out.println("--->KO-3!!! "+obj1.getClass().getSimpleName()+".equals got NPE with a null field."); npe.printStackTrace(); failed++; } } }