1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import com.sun.management.HotSpotDiagnosticMXBean; 25 import com.sun.management.VMOption; 26 import java.lang.management.ManagementFactory; 27 import java.util.Arrays; 28 import java.util.Set; 29 import java.util.stream.Collectors; 30 import javax.management.MBeanServerConnection; 31 import javax.management.openmbean.CompositeData; 32 import javax.management.openmbean.CompositeType; 33 import javax.management.openmbean.OpenType; 34 35 import static javax.management.openmbean.SimpleType.*; 36 37 /* 38 * @test 39 * @bug 8042901 40 * @summary Check that MappedMXBeanType.toOpenTypeData supports VMOption 41 * @modules jdk.management/com.sun.management 42 * @author Shanliang Jiang 43 */ 44 public class VMOptionOpenDataTest { 45 private static final String[] names = new String[] { 46 "name", "value", "origin", "writeable" 47 }; 48 private static final OpenType[] types = new OpenType[] { 49 STRING, STRING, STRING, BOOLEAN 50 }; 51 52 public static void main(String... args) throws Exception { 53 MBeanServerConnection msc = ManagementFactory.getPlatformMBeanServer(); 54 HotSpotDiagnosticMXBean mxbean = 55 ManagementFactory.getPlatformMXBean(msc, HotSpotDiagnosticMXBean.class); 56 57 58 String[] signatures = new String[] { 59 String.class.getName() 60 }; 61 Object obj = msc.invoke(mxbean.getObjectName(), "getVMOption", 62 new String[] { "PrintVMOptions"}, signatures); 63 64 CompositeData data = (CompositeData)obj; 65 validateType(data); 66 67 VMOption option = mxbean.getVMOption("PrintVMOptions"); 68 VMOption o = VMOption.from(data); 69 assertEquals(option, o); 70 } 71 72 private static void validateType(CompositeData data) { 73 CompositeType type = data.getCompositeType(); 74 Set<String> keys = Arrays.stream(names).collect(Collectors.toSet()); 75 if (!type.keySet().equals(keys)) { 76 throw new RuntimeException("key not matched: " + type.keySet().toString()); 77 } 78 for (int i=0; i < names.length; i++) { 79 OpenType t = type.getType(names[i]); 80 if (t != types[i]) { 81 throw new AssertionError(names[i] + ": type not matched: " + 82 t + " expected: " + types[i]); 83 } 84 } 85 } 86 87 private static void assertEquals(VMOption o1, VMOption o2) { 88 if (!o1.getName().equals(o2.getName()) || 89 !o1.getOrigin().equals(o2.getOrigin()) || 90 !o1.getValue().equals(o2.getValue()) || 91 o1.isWriteable() != o2.isWriteable()) { 92 throw new AssertionError(o1 + " != " + o2); 93 } 94 95 } 96 97 }