1 /* 2 * Copyright (c) 2006, 2015, 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 /* 25 * @test 26 * @bug 6359948 27 * @summary Check that MXBean operations have the expected ReturnType in MBeanOperationInfo 28 * @author Luis-Miguel Alventosa 29 * 30 * @run clean MBeanOperationInfoTest 31 * @run build MBeanOperationInfoTest 32 * @run main MBeanOperationInfoTest 33 */ 34 35 import java.lang.management.*; 36 import javax.management.*; 37 import javax.management.openmbean.*; 38 39 public class MBeanOperationInfoTest { 40 private static final String[][] returnTypes = { 41 { "dumpAllThreads(boolean,boolean)", "[Ljavax.management.openmbean.CompositeData;" }, 42 { "findDeadlockedThreads()", "[J" }, 43 { "findMonitorDeadlockedThreads()", "[J" }, 44 { "getThreadInfo(long)","javax.management.openmbean.CompositeData"}, 45 { "getThreadInfo(long,int)","javax.management.openmbean.CompositeData"}, 46 { "getThreadInfo([J)","[Ljavax.management.openmbean.CompositeData;"}, 47 { "getThreadInfo([J,int)","[Ljavax.management.openmbean.CompositeData;"}, 48 { "getThreadInfo([J,boolean,boolean)","[Ljavax.management.openmbean.CompositeData;"}, 49 { "getThreadCpuTime(long)","long"}, 50 { "getThreadUserTime(long)","long"}, 51 { "resetPeakThreadCount()","void"}, 52 }; 53 public static void main(String[] args) throws Exception { 54 int error = 0; 55 int tested = 0; 56 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 57 ObjectName on = new ObjectName(ManagementFactory.THREAD_MXBEAN_NAME); 58 MBeanInfo mbi = mbs.getMBeanInfo(on); 59 MBeanOperationInfo[] ops = mbi.getOperations(); 60 for (MBeanOperationInfo op : ops) { 61 String name = op.getName(); 62 String rt = op.getReturnType(); 63 StringBuilder sb = new StringBuilder(); 64 sb.append(name + "("); 65 for (MBeanParameterInfo param : op.getSignature()) { 66 sb.append(param.getType() + ","); 67 } 68 int comma = sb.lastIndexOf(","); 69 if (comma == -1) { 70 sb.append(")"); 71 } else { 72 sb.replace(comma, comma + 1, ")"); 73 } 74 System.out.println("\nNAME = " + sb.toString() + "\nRETURN TYPE = " + rt); 75 for (String[] rts : returnTypes) { 76 if (sb.toString().equals(rts[0])) { 77 if (rt.equals(rts[1])) { 78 System.out.println("OK"); 79 tested++; 80 } else { 81 System.out.println("KO: EXPECTED RETURN TYPE = " + rts[1]); 82 error++; 83 } 84 } 85 } 86 } 87 if (error > 0) { 88 System.out.println("\nTEST FAILED"); 89 throw new Exception("TEST FAILED: " + error + " wrong return types"); 90 } else if (tested != returnTypes.length && 91 !System.getProperty("java.specification.version").equals("1.5")) { 92 System.out.println("\nTEST FAILED"); 93 throw new Exception("TEST FAILED: " + tested + " cases tested, " + 94 returnTypes.length + " expected"); 95 } else { 96 System.out.println("\nTEST PASSED"); 97 } 98 } 99 }