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
35 import javax.management.*;
36
37 public 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 }