| /* |
| * 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.setCollectionUsageThreshold; |
| |
| import java.io.*; |
| import java.util.*; |
| import java.lang.management.*; |
| import nsk.share.*; |
| import nsk.monitoring.share.*; |
| |
| public class setthreshold001 { |
| private static class TestParameters { |
| private final long max, validThreshold, invalidThreshold; |
| private final boolean supportsMax; |
| |
| public TestParameters(MemoryUsage usg) { |
| max = usg.getMax(); |
| supportsMax = (max != -1); |
| validThreshold = supportsMax ? max : 1; |
| invalidThreshold = supportsMax ? max * 2 : Long.MAX_VALUE; |
| } |
| } |
| 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.isCollectionThresholdSupported(pool); |
| MemoryUsage usage = monitor.getCollectionUsage(pool); |
| if (usage == null) { |
| log.display(" getCollectionUsage() is not supported: it " |
| + "returned null"); |
| continue; |
| } |
| |
| if (isSupported) { |
| // Usage thresholds are supported |
| log.display(" supports collection usage thresholds"); |
| testcase1(log, pool); |
| testcase2(log, pool); |
| testcase3(log, pool); |
| } else { |
| log.display(" does not support usage thresholds"); |
| testcase4(log, pool); |
| |
| |
| } |
| } // for i |
| |
| if (testFailed) |
| out.println("TEST FAILED"); |
| return (testFailed) ? Consts.TEST_FAILED : Consts.TEST_PASSED; |
| } |
| |
| private static void testcase4(Log log, Object pool) { |
| // 4. If the usage thresholds are not supported, the method |
| // must throw UnsupportedOperationException |
| TestParameters tp = new TestParameters(monitor.getUsage(pool)); |
| try { |
| monitor.setUsageThreshold(pool, tp.validThreshold); |
| 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."); |
| } |
| } |
| |
| private static void testcase3(Log log, Object pool) { |
| // 3. Try to set threshold that is greater than max value |
| // or somehow invalid |
| TestParameters tp = new TestParameters(monitor.getUsage(pool)); |
| if (tp.supportsMax) { |
| try { |
| // setCollectionThreshold() should throw an exception |
| // given that the threshold is invalid |
| |
| monitor.setCollectionThreshold(pool, tp.invalidThreshold); |
| log.complain("IllegalArgumentException is not thrown " |
| + "in pool " + monitor.getName(pool) + " for " |
| + "threshold " + tp.invalidThreshold + " (" |
| + monitor.getCollectionUsage(pool) + ")"); |
| testFailed = true; |
| } catch (Exception e) { |
| // The exception is expected, since the threshold is invalid |
| handleIAE(e, log, "Testcase 3."); |
| } |
| } else { |
| try { |
| // setCollectionThreshold() should not throw |
| // an exception given that the memory pool |
| // does not support a max, even though the |
| // threshold is invalid |
| |
| monitor.setCollectionThreshold(pool, tp.invalidThreshold); |
| log.display(" threshold " + tp.invalidThreshold + " is set"); |
| long used = monitor.getCollectionUsage(pool).getUsed(); |
| monitor.setCollectionThreshold(pool, used); |
| log.display(" threshold " + used + " is set"); |
| long threshold = monitor.getCollectionThreshold(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"); |
| } catch (Exception e) { |
| log.complain("Unexpected " + e + " in pool " |
| + monitor.getName(pool)); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| } |
| } |
| |
| private static void testcase2(Log log, Object pool) { |
| // 2. Try to set negative threshold |
| try { |
| monitor.setCollectionThreshold(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."); |
| } |
| } |
| |
| private static void testcase1(Log log, Object pool) { |
| // 1. Try to set two different values of thresholds |
| try { |
| TestParameters tp = new TestParameters(monitor.getUsage(pool)); |
| |
| monitor.setCollectionThreshold(pool, tp.validThreshold); |
| log.display(" threshold " + tp.validThreshold + " is set"); |
| long used = monitor.getCollectionUsage(pool).getUsed(); |
| monitor.setCollectionThreshold(pool, used); |
| log.display(" threshold " + used + " is set"); |
| long threshold = monitor.getCollectionThreshold(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"); |
| } catch (Exception e) { |
| log.complain("Unexpected " + e + " in pool " |
| + monitor.getName(pool)); |
| e.printStackTrace(log.getOutStream()); |
| testFailed = true; |
| } |
| } |
| |
| // 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; |
| } |
| } |