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/*
* 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;
}
}
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