| /* |
| * 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.setUsageThreshold; |
| |
| import java.io.*; |
| import java.util.*; |
| import nsk.share.*; |
| import nsk.monitoring.share.*; |
| |
| public class setthreshold001 { |
| private static MemoryMonitor monitor; |
| private static boolean testFailed = false; |
| |
| 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); |
| long max = monitor.getUsage(pool).getMax(); |
| boolean supportsMax = true; |
| long validThreshold = 0; |
| long invalidThreshold = 0; |
| if (max == -1) { |
| // max is undefined for this pool. |
| supportsMax = false; |
| validThreshold = 1; |
| invalidThreshold = Long.MAX_VALUE; |
| } else { |
| supportsMax = true; |
| validThreshold = max; |
| invalidThreshold = max + 1; |
| } |
| |
| if (isSupported) { |
| |
| // Usage thresholds are supported |
| log.display(" supports usage thresholds"); |
| |
| // 1. Try to set two different values of thresholds |
| monitor.setUsageThreshold(pool, validThreshold); |
| log.display(" threshold " + validThreshold + " is set"); |
| long used = monitor.getUsage(pool).getUsed(); |
| monitor.setUsageThreshold(pool, used); |
| log.display(" threshold " + used + " is set"); |
| |
| long threshold = monitor.getUsageThreshold(pool); |
| if (threshold != used) { |
| log.complain("Threshold value is " + threshold + ", but " |
| + used + " was set in pool " |
| + monitor.getName(pool)); |
| testFailed = true; |
| } else |
| log.display(" threshold " + threshold + " is read"); |
| |
| // 2. Try to set negative threshold |
| try { |
| monitor.setUsageThreshold(pool, -1); |
| log.complain("IllegalArgumentException is not thrown " |
| + "in pool " + monitor.getName(pool) + " for " |
| + "negative threshold"); |
| testFailed = true; |
| } catch (Exception e) { |
| |
| // The IllegalArgumentException is expected, since the |
| // threshold is negative |
| handleIAE(e, log, "Testcase 2."); |
| } |
| |
| // 3. Try to set threshold that is invalid |
| if (supportsMax) { |
| try { |
| // setUsageThreshold() should throw an exception |
| // given that the threshold is invalid |
| monitor.setUsageThreshold(pool, invalidThreshold); |
| log.complain("IllegalArgumentException is not thrown " |
| + "in pool " + monitor.getName(pool) + " for " |
| + " threshold " + invalidThreshold + " (" |
| + monitor.getUsage(pool) + ")"); |
| testFailed = true; |
| } catch (Exception e) { |
| |
| // The exception is expected, since the threshold is invalid |
| handleIAE(e, log, "Testcase 3."); |
| } |
| } else { |
| // setUsageThreshold() should not throw an |
| // exception given that the memory pool does not |
| // support a max, even though the threshold is invalid |
| |
| monitor.setUsageThreshold(pool, invalidThreshold); |
| log.display(" threshold " + invalidThreshold + " is set"); |
| long used2 = monitor.getUsage(pool).getUsed(); |
| monitor.setUsageThreshold(pool, used2); |
| log.display(" threshold " + used2 + " is set"); |
| |
| long threshold2 = monitor.getUsageThreshold(pool); |
| if (threshold2 != used2) { |
| log.complain("Threshold value is " + threshold2 + ", but " |
| + used2 + " was set in pool " |
| + monitor.getName(pool)); |
| testFailed = true; |
| } else |
| log.display(" threshold " + threshold2 + " is read"); |
| } |
| } else { |
| |
| // 4. If the usage thresholds are not supported, the method |
| // must throw UnsupportedOperationException |
| log.display(" does not support usage thresholds"); |
| |
| try { |
| monitor.setUsageThreshold(pool, max); |
| log.complain("UnsupportedOperationException is not thrown " |
| + "in pool " + monitor.getName(pool)); |
| testFailed = true; |
| } catch (Exception e) { |
| |
| // The exception is expected, since the usage thresholds are |
| // not supported |
| handleUOE(e, log, "Testcase 4."); |
| } |
| } |
| } // for i |
| |
| if (testFailed) |
| out.println("TEST FAILED"); |
| return (testFailed) ? Consts.TEST_FAILED : Consts.TEST_PASSED; |
| } |
| |
| // Handle UnsupportedOperationException |
| private static void handleUOE(Throwable e, Log log, String testcase) { |
| Throwable tmp = unwrap(e); |
| |
| if (tmp instanceof UnsupportedOperationException) { |
| log.display(" " + testcase + " UnsupportedOperationException is " |
| + "thrown"); |
| } else { |
| log.complain(" " + testcase + " Incorrect execption " + tmp + " is " |
| + "thrown, UnsupportedOperationException is expected"); |
| tmp.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| } |
| |
| // Handle IllegalArgumentException |
| private static void handleIAE(Throwable e, Log log, String testcase) { |
| Throwable tmp = unwrap(e); |
| |
| if (tmp instanceof IllegalArgumentException) { |
| log.display(" " + testcase + " IllegalArgumentException is " |
| + "thrown"); |
| } else { |
| log.complain(" " + testcase + " Incorrect execption " + tmp + " is " |
| + "thrown, IllegalArgumentException is expected"); |
| tmp.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| } |
| |
| 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; |
| } |
| } |