1/*
2 * Copyright (c) 2004, 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 5015663
27 * @summary Test ObjectInstance(name,null).hashCode() and .equals()
28 * @author Daniel Fuchs
29 *
30 * @run clean ObjectInstanceNullTest
31 * @run build ObjectInstanceNullTest
32 * @run main ObjectInstanceNullTest
33 */
34
35import javax.management.*;
36
37public class ObjectInstanceNullTest {
38
39    public static void testEquals(ObjectInstance n1, ObjectInstance n2) {
40        try {
41            if (!n1.equals(n2) || !n2.equals(n1)) {
42                System.err.println("Equals yields false for: "+
43                                   "["+n1.getObjectName()+" , "+
44                                   n1.getClassName()+"] ["+
45                                   n2.getObjectName()+" , "+
46                                   n2.getClassName()+"]");
47                System.exit(1);
48            }
49        } catch (Exception x) {
50            System.err.println("Equals failed for: "+
51                               "["+n1.getObjectName()+" , "+
52                               n1.getClassName()+"] ["+
53                               n2.getObjectName()+" , "+
54                               n2.getClassName()+"]: " + x);
55            x.printStackTrace();
56            System.exit(2);
57        }
58        try {
59            if (n1.hashCode() != n2.hashCode()) {
60                System.err.println("Different hashCode() for: "+
61                                   "["+n1.getObjectName()+" , "+
62                                   n1.getClassName()+"] ["+
63                                   n2.getObjectName()+" , "+
64                                   n2.getClassName()+"]");
65                System.exit(3);
66            }
67        } catch (Exception x) {
68            System.err.println("Hashcode failed for: "+
69                               "["+n1.getObjectName()+" , "+
70                               n1.getClassName()+"] ["+
71                               n2.getObjectName()+" , "+
72                               n2.getClassName()+"]: " + x);
73            x.printStackTrace();
74            System.exit(4);
75        }
76    }
77
78    public static void testNotEquals(ObjectInstance n1, ObjectInstance n2) {
79        try {
80            if (n1.equals(n2) || n2.equals(n1)) {
81                System.err.println("Equals yields true for: "+
82                                   "["+n1.getObjectName()+" , "+
83                                   n1.getClassName()+"] ["+
84                                   n2.getObjectName()+" , "+
85                                   n2.getClassName()+"]");
86                System.exit(5);
87            }
88        } catch (Exception x) {
89            System.err.println("!Equals failed for: "+
90                               "["+n1.getObjectName()+" , "+
91                               n1.getClassName()+"] ["+
92                               n2.getObjectName()+" , "+
93                               n2.getClassName()+"]: " + x);
94            x.printStackTrace();
95            System.exit(6);
96        }
97        try {
98            if (n1.hashCode() == n2.hashCode()) {
99                System.out.println("Warning: Same hashCode() for: "+
100                                   "["+n1.getObjectName()+" , "+
101                                   n1.getClassName()+"] ["+
102                                   n2.getObjectName()+" , "+
103                                   n2.getClassName()+"]");
104            }
105        } catch (Exception x) {
106            System.err.println("Hashcode failed for: "+
107                               "["+n1.getObjectName()+" , "+
108                               n1.getClassName()+"] ["+
109                               n2.getObjectName()+" , "+
110                               n2.getClassName()+"]: " + x);
111            x.printStackTrace();
112            System.exit(7);
113        }
114    }
115
116    public static void main(String[] args) throws Exception {
117        System.out.println("Test ObjectInstance(name,null).equals() and " +
118                           "ObjectInstance(name,null).hashCode()");
119        try {
120            ObjectName toto1  = new ObjectName("Toto:foo=bar");
121            ObjectName toto2  = new ObjectName("Toto:bar=foo");
122            ObjectName clone1 = new ObjectName("Toto:bar=foo,cloned=yes");
123            ObjectName clone2 = new ObjectName("Toto:cloned=yes,bar=foo");
124            ObjectInstance n1 = new ObjectInstance(toto1,null);
125            ObjectInstance n2 = new ObjectInstance(toto1,null);
126            testEquals(n1,n1);
127            testEquals(n1,n2);
128            ObjectInstance n3 = new ObjectInstance(toto1,"Object");
129            ObjectInstance n4 = new ObjectInstance(toto1,"Object");
130            testEquals(n3,n3);
131            testEquals(n3,n4);
132            testNotEquals(n1,n3);
133            ObjectInstance n5 = new ObjectInstance(toto2,null);
134            ObjectInstance n6 = new ObjectInstance(toto2,"Object");
135            testEquals(n5,n5);
136            testEquals(n6,n6);
137            testNotEquals(n5,n1);
138            testNotEquals(n5,n3);
139            testNotEquals(n6,n1);
140            testNotEquals(n6,n3);
141            testNotEquals(n5,n6);
142            ObjectInstance n7 = new ObjectInstance(clone1,null);
143            ObjectInstance n8 = new ObjectInstance(clone2,null);
144            testEquals(n7,n8);
145            testNotEquals(n7,n1);
146            testNotEquals(n7,n5);
147            ObjectInstance n9  = new ObjectInstance(clone1,"Object");
148            ObjectInstance n10 = new ObjectInstance(clone2,"Object");
149            testEquals(n9,n10);
150            testNotEquals(n9,n1);
151            testNotEquals(n9,n5);
152            testNotEquals(n9,n7);
153            testNotEquals(n9,n8);
154            testNotEquals(n10,n1);
155            testNotEquals(n10,n5);
156            testNotEquals(n10,n7);
157            testNotEquals(n10,n8);
158        } catch( Exception x) {
159            System.err.println("Unexpected exception: " + x);
160            x.printStackTrace();
161            System.exit(8);
162        }
163    }
164
165}
166