/*
* Copyright (c) 2005, 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.
*/
/*
* @test
* @bug 6314913
* @summary Basic Test for HotSpotDiagnosticMXBean.getVMOption()
* @author Mandy Chung
*
* @run main/othervm -XX:+PrintGCDetails GetVMOption
*/
import com.sun.management.HotSpotDiagnosticMXBean;
import com.sun.management.VMOption;
import com.sun.management.VMOption.Origin;
import java.lang.management.ManagementFactory;
import javax.management.MBeanServer;
public class GetVMOption {
private static String PRINT_GC_DETAILS = "PrintGCDetails";
private static String EXPECTED_VALUE = "true";
private static String BAD_OPTION = "BadOption";
private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
"com.sun.management:type=HotSpotDiagnostic";
public static void main(String[] args) throws Exception {
HotSpotDiagnosticMXBean mbean =
sun.management.ManagementFactory.getDiagnosticMXBean();
checkVMOption(mbean);
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
mbean = ManagementFactory.newPlatformMXBeanProxy(mbs,
HOTSPOT_DIAGNOSTIC_MXBEAN_NAME,
HotSpotDiagnosticMXBean.class);
checkVMOption(mbean);
}
private static void checkVMOption(HotSpotDiagnosticMXBean mbean) {
VMOption option = mbean.getVMOption(PRINT_GC_DETAILS);
if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) {
throw new RuntimeException("Unexpected value: " +
option.getValue() + " expected: " + EXPECTED_VALUE);
}
boolean iae = false;
try {
mbean.getVMOption(BAD_OPTION);
} catch (IllegalArgumentException e) {
iae = true;
}
if (!iae) {
throw new RuntimeException("Invalid VM Option" +
" was not detected");
}
}
}