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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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/*

 * @test

 * @bug 6359948

 * @summary Check that MXBean operations have the expected ReturnType in MBeanOperationInfo

 * @author Luis-Miguel Alventosa

 * @run clean MBeanOperationInfoTest

 * @run build MBeanOperationInfoTest

 * @run main MBeanOperationInfoTest

 */

import java.lang.management.*;

import javax.management.*;

import javax.management.openmbean.*;

public class MBeanOperationInfoTest {

    private static final String[][] returnTypes = {

        { "dumpAllThreads(boolean,boolean)", "[Ljavax.management.openmbean.CompositeData;" },

        { "findDeadlockedThreads()", "[J" },

        { "findMonitorDeadlockedThreads()", "[J" },

        { "getThreadInfo(long)","javax.management.openmbean.CompositeData"},

        { "getThreadInfo(long,int)","javax.management.openmbean.CompositeData"},

        { "getThreadInfo([J)","[Ljavax.management.openmbean.CompositeData;"},

        { "getThreadInfo([J,int)","[Ljavax.management.openmbean.CompositeData;"},

        { "getThreadInfo([J,boolean,boolean)","[Ljavax.management.openmbean.CompositeData;"},

        { "getThreadCpuTime(long)","long"},

        { "getThreadUserTime(long)","long"},

        { "resetPeakThreadCount()","void"},

    };

    public static void main(String[] args) throws Exception {

        int error = 0;

        int tested = 0;

        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

        ObjectName on = new ObjectName(ManagementFactory.THREAD_MXBEAN_NAME);

        MBeanInfo mbi = mbs.getMBeanInfo(on);

        MBeanOperationInfo[] ops = mbi.getOperations();

        for (MBeanOperationInfo op : ops) {

            String name = op.getName();

            String rt = op.getReturnType();

            StringBuilder sb = new StringBuilder();

            sb.append(name + "(");

            for (MBeanParameterInfo param : op.getSignature()) {

                sb.append(param.getType() + ",");

            }

            int comma = sb.lastIndexOf(",");

            if (comma == -1) {

                sb.append(")");

            } else {

                sb.replace(comma, comma + 1, ")");

            }

            System.out.println("\nNAME = " + sb.toString() + "\nRETURN TYPE = " + rt);

            for (String[] rts : returnTypes) {

                if (sb.toString().equals(rts[0])) {

                    if (rt.equals(rts[1])) {

                        System.out.println("OK");

                        tested++;

                    } else {

                        System.out.println("KO: EXPECTED RETURN TYPE = " + rts[1]);

                        error++;

                    }

                }

            }

        }

        if (error > 0) {

            System.out.println("\nTEST FAILED");

            throw new Exception("TEST FAILED: " + error + " wrong return types");

        } else if (tested != returnTypes.length &&

                   !System.getProperty("java.specification.version").equals("1.5")) {

            System.out.println("\nTEST FAILED");

            throw new Exception("TEST FAILED: " + tested + " cases tested, " +

            returnTypes.length + " expected");

        } else {

            System.out.println("\nTEST PASSED");

        }

    }

}