1/*
2 * Copyright (c) 2003, 2015, 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 4894801
27 * @summary Test that ObjectName.getInstance(ObjectName) preserves key order
28 * @author Eamonn McManus
29 *
30 * @run clean ObjectNameGetInstanceTest
31 * @run build ObjectNameGetInstanceTest
32 * @run main ObjectNameGetInstanceTest
33 */
34
35import javax.management.*;
36
37public class ObjectNameGetInstanceTest {
38    public static void main(String[] args) throws Exception {
39        System.out.println("Test that ObjectName.getInstance(ObjectName) " +
40                           "preserves the order of keys in its input");
41
42        final String nonCanonical = "d:x=y,a=b";
43        ObjectName nice = new ObjectName(nonCanonical);
44
45        // Check that we are in fact using an ObjectName whose canonical
46        // form is not the same as the input
47        if (nice.getCanonicalName().equals(nonCanonical)) {
48            System.err.println("TEST IS BROKEN: INPUT ALREADY CANONICAL");
49            System.exit(1);
50        }
51
52        ObjectName evil = new EvilObjectName(nonCanonical);
53        ObjectName unEvil = ObjectName.getInstance(evil);
54        if (unEvil instanceof EvilObjectName) {
55            System.err.println("FAILS: getInstance did not banish evil");
56            System.exit(1);
57        }
58
59        if (nice.equals(unEvil))
60            System.out.println("Test passes: original key order preserved");
61        else {
62            System.out.println("FAILS: key order changed");
63            System.exit(1);
64        }
65    }
66
67    public static class EvilObjectName extends ObjectName {
68        public EvilObjectName(String s) throws MalformedObjectNameException {
69            super(s);
70        }
71
72        public String getCanonicalName() {
73            return "bogus:canonical=name";
74        }
75    }
76}
77