1/*
2 * Copyright (c) 2015, 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
24import com.sun.management.HotSpotDiagnosticMXBean;
25import com.sun.management.VMOption;
26import java.lang.management.ManagementFactory;
27import java.util.Arrays;
28import java.util.Set;
29import java.util.stream.Collectors;
30import javax.management.MBeanServerConnection;
31import javax.management.openmbean.CompositeData;
32import javax.management.openmbean.CompositeType;
33import javax.management.openmbean.OpenType;
34
35import static javax.management.openmbean.SimpleType.*;
36
37/*
38 * @test
39 * @bug     8042901
40 * @summary Check that MappedMXBeanType.toOpenTypeData supports VMOption
41 * @author  Shanliang Jiang
42 */
43public class VMOptionOpenDataTest {
44    private static final String[] names = new String[] {
45        "name", "value", "origin", "writeable"
46    };
47    private static final OpenType[] types = new OpenType[] {
48        STRING, STRING, STRING, BOOLEAN
49    };
50
51    public static void main(String... args) throws Exception {
52        MBeanServerConnection msc = ManagementFactory.getPlatformMBeanServer();
53        HotSpotDiagnosticMXBean mxbean =
54            ManagementFactory.getPlatformMXBean(msc, HotSpotDiagnosticMXBean.class);
55
56
57        String[] signatures = new String[] {
58            String.class.getName()
59        };
60        Object obj = msc.invoke(mxbean.getObjectName(), "getVMOption",
61            new String[] { "PrintVMOptions"}, signatures);
62
63        CompositeData data = (CompositeData)obj;
64        validateType(data);
65
66        VMOption option = mxbean.getVMOption("PrintVMOptions");
67        VMOption o = VMOption.from(data);
68        assertEquals(option, o);
69    }
70
71    private static void validateType(CompositeData data) {
72        CompositeType type = data.getCompositeType();
73        Set<String> keys = Arrays.stream(names).collect(Collectors.toSet());
74        if (!type.keySet().equals(keys)) {
75            throw new RuntimeException("key not matched: " + type.keySet().toString());
76        }
77        for (int i=0; i < names.length; i++) {
78            OpenType t = type.getType(names[i]);
79            if (t != types[i]) {
80                throw new AssertionError(names[i] + ": type not matched: " +
81                    t + " expected: " + types[i]);
82            }
83        }
84    }
85
86    private static void assertEquals(VMOption o1, VMOption o2) {
87        if (!o1.getName().equals(o2.getName()) ||
88            !o1.getOrigin().equals(o2.getOrigin()) ||
89            !o1.getValue().equals(o2.getValue()) ||
90            o1.isWriteable() != o2.isWriteable()) {
91            throw new AssertionError(o1 + " != " + o2);
92        }
93
94    }
95
96}
97