J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6314913 |
| 27 | * @summary Basic Test for HotSpotDiagnosticMXBean.getVMOption() |
| 28 | * @author Mandy Chung |
| 29 | * |
| 30 | * @run main/othervm -XX:+PrintGCDetails GetVMOption |
| 31 | */ |
| 32 | |
| 33 | import com.sun.management.HotSpotDiagnosticMXBean; |
| 34 | import com.sun.management.VMOption; |
| 35 | import com.sun.management.VMOption.Origin; |
| 36 | import java.lang.management.ManagementFactory; |
| 37 | import javax.management.MBeanServer; |
| 38 | |
| 39 | public class GetVMOption { |
| 40 | private static String PRINT_GC_DETAILS = "PrintGCDetails"; |
| 41 | private static String EXPECTED_VALUE = "true"; |
| 42 | private static String BAD_OPTION = "BadOption"; |
| 43 | private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME = |
| 44 | "com.sun.management:type=HotSpotDiagnostic"; |
| 45 | |
| 46 | public static void main(String[] args) throws Exception { |
| 47 | HotSpotDiagnosticMXBean mbean = |
| 48 | sun.management.ManagementFactory.getDiagnosticMXBean(); |
| 49 | checkVMOption(mbean); |
| 50 | |
| 51 | MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); |
| 52 | mbean = ManagementFactory.newPlatformMXBeanProxy(mbs, |
| 53 | HOTSPOT_DIAGNOSTIC_MXBEAN_NAME, |
| 54 | HotSpotDiagnosticMXBean.class); |
| 55 | checkVMOption(mbean); |
| 56 | } |
| 57 | |
| 58 | private static void checkVMOption(HotSpotDiagnosticMXBean mbean) { |
| 59 | VMOption option = mbean.getVMOption(PRINT_GC_DETAILS); |
| 60 | if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) { |
| 61 | throw new RuntimeException("Unexpected value: " + |
| 62 | option.getValue() + " expected: " + EXPECTED_VALUE); |
| 63 | } |
| 64 | boolean iae = false; |
| 65 | try { |
| 66 | mbean.getVMOption(BAD_OPTION); |
| 67 | } catch (IllegalArgumentException e) { |
| 68 | iae = true; |
| 69 | } |
| 70 | if (!iae) { |
| 71 | throw new RuntimeException("Invalid VM Option" + |
| 72 | " was not detected"); |
| 73 | } |
| 74 | } |
| 75 | } |