1/*
2 * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug     5058319
27 * @summary Check if a RuntimeException is wrapped by RuntimeMBeanException
28 *          only once.
29 *
30 * @author  Mandy Chung
31 *
32 * @build MXBeanException
33 * @run main MXBeanException
34 */
35
36import java.lang.management.*;
37import javax.management.*;
38import java.util.*;
39import static java.lang.management.ManagementFactory.*;
40
41public class MXBeanException {
42    private static MemoryPoolMXBean pool;
43
44    public static void main(String[] argv) throws Exception {
45        List<MemoryPoolMXBean> pools =
46            ManagementFactory.getMemoryPoolMXBeans();
47        for (MemoryPoolMXBean p : pools) {
48            if (!p.isUsageThresholdSupported()) {
49                pool = p;
50                break;
51            }
52        }
53
54        // check if UnsupportedOperationException is thrown
55        try {
56            pool.setUsageThreshold(1000);
57            throw new RuntimeException("TEST FAILED: " +
58                "UnsupportedOperationException not thrown");
59        } catch (UnsupportedOperationException e) {
60            // expected
61        }
62
63        // check if UnsupportedOperationException is thrown
64        // when calling through MBeanServer
65        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
66        ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +
67                                       ",name=" + pool.getName());
68        Attribute att = new Attribute("UsageThreshold", 1000);
69        try {
70            mbs.setAttribute(on, att);
71        } catch (RuntimeMBeanException e) {
72            checkMBeanException(e);
73        } catch (RuntimeOperationsException e) {
74            checkMBeanException(e);
75        }
76
77        // check if UnsupportedOperationException is thrown
78        // when calling through proxy
79
80        MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs,
81                                     on.toString(),
82                                     MemoryPoolMXBean.class);
83        try {
84            proxy.setUsageThreshold(1000);
85            throw new RuntimeException("TEST FAILED: " +
86                "UnsupportedOperationException not thrown via proxy");
87        } catch (UnsupportedOperationException e) {
88            // expected
89        }
90
91        System.out.println("Test passed");
92    }
93
94    private static void checkMBeanException(JMRuntimeException e) {
95        Throwable cause = e.getCause();
96        if (!(cause instanceof UnsupportedOperationException)) {
97            throw new RuntimeException("TEST FAILED: " + cause +
98                "is not UnsupportedOperationException");
99        }
100    }
101}
102