| /* |
| * Copyright (c) 2004, 2018, 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. |
| */ |
| |
| package nsk.monitoring.MemoryPoolMBean.getUsageThreshold; |
| |
| import java.io.*; |
| import java.util.*; |
| import nsk.share.*; |
| import nsk.monitoring.share.*; |
| |
| public class getthreshold001 { |
| private static boolean testFailed = false; |
| static MemoryMonitor monitor; |
| |
| public static void main(String[] argv) { |
| System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out)); |
| } |
| |
| public static int run(String[] argv, PrintStream out) { |
| ArgumentHandler argHandler = new ArgumentHandler(argv); |
| Log log = new Log(out, argHandler); |
| monitor = Monitor.getMemoryMonitor(log, argHandler); |
| List pools = monitor.getMemoryPoolMBeans(); |
| |
| for (int i = 0; i < pools.size(); i++) { |
| Object pool = pools.get(i); |
| log.display(i + " pool " + monitor.getName(pool)); |
| |
| boolean isSupported = monitor.isUsageThresholdSupported(pool); |
| if (isSupported) { |
| log.display(" supports usage thresholds"); |
| |
| // Test three values for the threshold |
| long max = monitor.getUsage(pool).getMax(); |
| long used = monitor.getUsage(pool).getUsed(); |
| |
| // max value can be -1, so take an absolute value |
| test(monitor, pool, Math.abs(max), log); |
| test(monitor, pool, 0, log); |
| test(monitor, pool, used, log); |
| } else { |
| log.display(" does not support usage thresholds"); |
| |
| // UnsupportedOperationException is expected |
| try { |
| long threshold = monitor.getUsageThreshold(pool); |
| log.complain("Threshold " + threshold + " is returned " |
| + "instead of UnsupportedOperationException " |
| + "in pool " + monitor.getName(pool)); |
| testFailed = true; |
| } catch (Exception e) { |
| |
| Throwable unwrapped = unwrap(e); |
| |
| if (unwrapped instanceof UnsupportedOperationException) { |
| log.display(" UnsupportedOperationException is " |
| + "thrown"); |
| } else { |
| log.complain("Incorrect execption " + unwrapped |
| + " is thrown, " |
| + "UnsupportedOperationException is " |
| + "expected in pool " |
| + monitor.getName(pool)); |
| unwrapped.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| } // try |
| } |
| } // for i |
| |
| if (testFailed) |
| out.println("TEST FAILED"); |
| return (testFailed) ? Consts.TEST_FAILED : Consts.TEST_PASSED; |
| } |
| |
| private static void test(MemoryMonitor monitor, Object pool, |
| long threshold, Log log) { |
| log.display(" setting threshold " + threshold); |
| try { |
| monitor.setUsageThreshold(pool, threshold); |
| } catch (Exception e) { |
| log.complain("Unexpected exception " + e); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| return; |
| } |
| log.display(" threshold " + threshold + " is set"); |
| |
| long result = monitor.getUsageThreshold(pool); |
| if (threshold != result) { |
| log.complain("Threshold value is " + result + " in pool " |
| + monitor.getName(pool) + ", " + threshold |
| + " expected"); |
| testFailed = true; |
| } |
| log.display(" threshold " + threshold + " is read"); |
| } // test() |
| |
| static Throwable unwrap(Throwable throwable) { |
| |
| Throwable unwrapped, t = throwable; |
| |
| do { |
| unwrapped = t; |
| |
| if (unwrapped instanceof UnsupportedOperationException) { |
| break; |
| } |
| |
| t = unwrapped.getCause(); |
| |
| } while (t != null); |
| |
| return unwrapped; |
| } |
| } |