1 /* 2 * Copyright (c) 2004, 2018, 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 package nsk.monitoring.GarbageCollectorMXBean.getCollectionCount; 25 26 import java.lang.management.*; 27 import java.io.*; 28 import nsk.share.*; 29 import nsk.monitoring.share.*; 30 31 public class getcollectioncount001 { 32 33 private static boolean testFailed = false; 34 main(String[] args)35 public static void main(String[] args) { 36 37 System.exit(Consts.JCK_STATUS_BASE + run(args, System.out)); 38 } 39 40 private static Log log; 41 run(String[] args, PrintStream out)42 static int run(String[] args, PrintStream out) { 43 44 ArgumentHandler argumentHandler = new ArgumentHandler(args); 45 log = new Log(out, argumentHandler); 46 47 // Test case 1. check that 48 // getCollectionCount() does not throw unexpected exceptions 49 50 System.gc(); 51 System.gc(); 52 System.gc(); 53 54 GarbageCollectorMonitor gcMonitor = 55 Monitor.getGarbageCollectorMonitor(log, argumentHandler); 56 57 Object[] pool = gcMonitor.getGarbageCollectorMXBeans(); 58 for (int i=0; i<pool.length; i++) { 59 60 String beanName = ""; 61 long collectionCount = gcMonitor.getCollectionCount(pool[i]); 62 63 if (pool[i] instanceof javax.management.ObjectName) { 64 beanName = ((javax.management.ObjectName)pool[i]).toString(); 65 } else { 66 beanName = ((java.lang.management.GarbageCollectorMXBean) 67 pool[i]).getName(); 68 } 69 log.display(beanName+": getCollectionCount() = "+collectionCount); 70 71 if (collectionCount < -1) { 72 // value can be non-negative or -1 if if the collection count 73 // is undefined for this collector. 74 log.complain("FAILURE 1."); 75 log.complain("getCollectionCount() returns unexpected value: " + 76 collectionCount); 77 testFailed = true; 78 } 79 } 80 81 if (testFailed) 82 log.complain("TEST FAILED"); 83 84 return (testFailed) ? Consts.TEST_FAILED : Consts.TEST_PASSED; 85 } 86 87 } 88