1 /* 2 * Copyright (c) 2006, 2008, 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 * @run clean MBeanOperationInfoTest 30 * @run build MBeanOperationInfoTest 31 * @run main MBeanOperationInfoTest 32 */ 33 34 import java.lang.management.*; 35 import javax.management.*; 36 import javax.management.openmbean.*; 37 38 public class MBeanOperationInfoTest { 39 private static final String[][] returnTypes = { 40 { "dumpAllThreads(boolean,boolean)", "[Ljavax.management.openmbean.CompositeData;" }, 41 { "findDeadlockedThreads()", "[J" }, 42 { "findMonitorDeadlockedThreads()", "[J" }, 43 { "getThreadInfo(long)","javax.management.openmbean.CompositeData"}, 44 { "getThreadInfo(long,int)","javax.management.openmbean.CompositeData"}, 45 { "getThreadInfo([J)","[Ljavax.management.openmbean.CompositeData;"}, 46 { "getThreadInfo([J,int)","[Ljavax.management.openmbean.CompositeData;"}, 47 { "getThreadInfo([J,boolean,boolean)","[Ljavax.management.openmbean.CompositeData;"}, 48 { "getThreadCpuTime(long)","long"}, 49 { "getThreadUserTime(long)","long"}, 50 { "resetPeakThreadCount()","void"}, 51 }; 52 public static void main(String[] args) throws Exception { 53 int error = 0; 54 int tested = 0; 55 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 56 ObjectName on = new ObjectName(ManagementFactory.THREAD_MXBEAN_NAME); 57 MBeanInfo mbi = mbs.getMBeanInfo(on); 58 MBeanOperationInfo[] ops = mbi.getOperations(); 59 for (MBeanOperationInfo op : ops) { 60 String name = op.getName(); 61 String rt = op.getReturnType(); 62 StringBuilder sb = new StringBuilder(); 63 sb.append(name + "("); 64 for (MBeanParameterInfo param : op.getSignature()) { 65 sb.append(param.getType() + ","); 66 } 67 int comma = sb.lastIndexOf(","); 68 if (comma == -1) { 69 sb.append(")"); 70 } else { 71 sb.replace(comma, comma + 1, ")"); 72 } 73 System.out.println("\nNAME = " + sb.toString() + "\nRETURN TYPE = " + rt); 74 for (String[] rts : returnTypes) { 75 if (sb.toString().equals(rts[0])) { 76 if (rt.equals(rts[1])) { 77 System.out.println("OK"); 78 tested++; 79 } else { 80 System.out.println("KO: EXPECTED RETURN TYPE = " + rts[1]); 81 error++; 82 } 83 } 84 } 85 } 86 if (error > 0) { 87 System.out.println("\nTEST FAILED"); 88 throw new Exception("TEST FAILED: " + error + " wrong return types"); 89 } else if (tested != returnTypes.length && 90 !System.getProperty("java.specification.version").equals("1.5")) { 91 System.out.println("\nTEST FAILED"); 92 throw new Exception("TEST FAILED: " + tested + " cases tested, " + 93 returnTypes.length + " expected"); 94 } else { 95 System.out.println("\nTEST PASSED"); 96 } 97 } 98 }