103 lines
3.6 KiB
Java
103 lines
3.6 KiB
Java
/*
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* Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 5058319
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* @summary Check if a RuntimeException is wrapped by RuntimeMBeanException
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* only once.
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*
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* @requires vm.gc != "Z" & vm.gc != "Shenandoah"
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* @author Mandy Chung
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*
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* @build MXBeanException
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* @run main MXBeanException
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*/
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import java.lang.management.*;
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import javax.management.*;
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import java.util.*;
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import static java.lang.management.ManagementFactory.*;
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public class MXBeanException {
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private static MemoryPoolMXBean pool;
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public static void main(String[] argv) throws Exception {
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List<MemoryPoolMXBean> pools =
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ManagementFactory.getMemoryPoolMXBeans();
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for (MemoryPoolMXBean p : pools) {
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if (!p.isUsageThresholdSupported()) {
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pool = p;
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break;
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}
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}
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// check if UnsupportedOperationException is thrown
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try {
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pool.setUsageThreshold(1000);
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throw new RuntimeException("TEST FAILED: " +
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"UnsupportedOperationException not thrown");
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} catch (UnsupportedOperationException e) {
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// expected
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}
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// check if UnsupportedOperationException is thrown
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// when calling through MBeanServer
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MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
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ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +
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",name=" + pool.getName());
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Attribute att = new Attribute("UsageThreshold", 1000);
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try {
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mbs.setAttribute(on, att);
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} catch (RuntimeMBeanException e) {
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checkMBeanException(e);
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} catch (RuntimeOperationsException e) {
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checkMBeanException(e);
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}
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// check if UnsupportedOperationException is thrown
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// when calling through proxy
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MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs,
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on.toString(),
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MemoryPoolMXBean.class);
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try {
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proxy.setUsageThreshold(1000);
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throw new RuntimeException("TEST FAILED: " +
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"UnsupportedOperationException not thrown via proxy");
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} catch (UnsupportedOperationException e) {
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// expected
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}
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System.out.println("Test passed");
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}
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private static void checkMBeanException(JMRuntimeException e) {
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Throwable cause = e.getCause();
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if (!(cause instanceof UnsupportedOperationException)) {
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throw new RuntimeException("TEST FAILED: " + cause +
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"is not UnsupportedOperationException");
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}
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}
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}
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