1 /*
2 * Copyright (c) 2013, 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 import javax.management.MBeanAttributeInfo;
25 import javax.management.MBeanConstructorInfo;
26 import javax.management.MBeanFeatureInfo;
27 import javax.management.MBeanInfo;
28 import javax.management.MBeanNotificationInfo;
29 import javax.management.MBeanOperationInfo;
30 import javax.management.MBeanParameterInfo;
31 import javax.management.modelmbean.DescriptorSupport;
32 import javax.management.openmbean.SimpleType;
33
34 /*
35 * @test
36 * @bug 8023954
37 * @summary Test that MBean*Info.equals do not throw NPE
38 * @author Shanliang JIANG
39 * @run clean MBeanInfoEqualsNPETest
40 * @run build MBeanInfoEqualsNPETest
41 * @run main MBeanInfoEqualsNPETest
42 */
43 public class MBeanInfoEqualsNPETest {
44 private static int failed = 0;
45
46 public static void main(String[] args) throws Exception {
47 System.out.println("---MBeanInfoEqualsNPETest-main ...");
48
49 // ----
50 System.out.println("\n---Testing on MBeanAttributeInfo...");
51 MBeanAttributeInfo mbeanAttributeInfo0 = new MBeanAttributeInfo(
52 "name", SimpleType.INTEGER.getClassName(), "description", true, true, false);
53 MBeanAttributeInfo mbeanAttributeInfo = new MBeanAttributeInfo(
54 null, SimpleType.INTEGER.getClassName(), "description", true, true, false);
55 test(mbeanAttributeInfo0, mbeanAttributeInfo, "class name");
56
57 mbeanAttributeInfo = new MBeanAttributeInfo(
58 "name", null, "description", true, true, false);
59 test(mbeanAttributeInfo0, mbeanAttributeInfo, "type");
60
61 mbeanAttributeInfo = new MBeanAttributeInfo(
62 "name", SimpleType.INTEGER.getClassName(), null, true, true, false);
63 test(mbeanAttributeInfo0, mbeanAttributeInfo, "description");
64
65 // ----
66 System.out.println("\n---Testing on MBeanConstructorInfo...");
67 MBeanConstructorInfo mbeanConstructorInfo0 = new MBeanConstructorInfo(
68 "", "", new MBeanParameterInfo[]{}, new DescriptorSupport());
69 MBeanConstructorInfo mbeanConstructorInfo = new MBeanConstructorInfo(
70 null, "", new MBeanParameterInfo[]{}, new DescriptorSupport());
71 test(mbeanConstructorInfo0, mbeanConstructorInfo, "name");
72
73 mbeanConstructorInfo = new MBeanConstructorInfo(
74 "", null, new MBeanParameterInfo[]{}, new DescriptorSupport());
75 test(mbeanConstructorInfo0, mbeanConstructorInfo, "description");
76
77 mbeanConstructorInfo = new MBeanConstructorInfo(
78 "", "", null, new DescriptorSupport());
79 test(mbeanConstructorInfo0, mbeanConstructorInfo, "MBeanParameterInfo");
80
81 mbeanConstructorInfo = new MBeanConstructorInfo(
82 "", "", new MBeanParameterInfo[]{}, null);
83 test(mbeanConstructorInfo0, mbeanConstructorInfo, "descriptor");
84
85 // ----
86 System.out.println("\n---Testing on MBeanOperationInfo...");
87 MBeanOperationInfo mbeanOperationInfo0 = new MBeanOperationInfo(
88 "name", "description", new MBeanParameterInfo[]{}, "type",
89 MBeanOperationInfo.UNKNOWN, new DescriptorSupport());
90
91 MBeanOperationInfo mbeanOperationInfo = new MBeanOperationInfo(
92 null, "description", new MBeanParameterInfo[]{}, "type",
93 MBeanOperationInfo.UNKNOWN, new DescriptorSupport());
94 test(mbeanOperationInfo0, mbeanOperationInfo, "name");
95
96 mbeanOperationInfo = new MBeanOperationInfo(
97 "name", null, new MBeanParameterInfo[]{}, "type",
98 MBeanOperationInfo.UNKNOWN, new DescriptorSupport());
99 test(mbeanOperationInfo0, mbeanOperationInfo, "description");
100
101 mbeanOperationInfo = new MBeanOperationInfo(
102 "name", "description", null, "type", 1, new DescriptorSupport());
103 test(mbeanOperationInfo0, mbeanOperationInfo, "MBeanParameterInfo");
104
105 mbeanOperationInfo = new MBeanOperationInfo(
106 "name", "description", new MBeanParameterInfo[]{}, null,
107 MBeanOperationInfo.UNKNOWN, new DescriptorSupport());
108 test(mbeanOperationInfo0, mbeanOperationInfo, "type");
109
110 mbeanOperationInfo = new MBeanOperationInfo(
111 "name", "description", new MBeanParameterInfo[]{}, null,
112 MBeanOperationInfo.UNKNOWN, null);
113 test(mbeanOperationInfo0, mbeanOperationInfo, "Descriptor");
114
115 // ----
116 System.out.println("\n---Testing on MBeanParameterInfo...");
117 MBeanParameterInfo mbeanParameterInfo0 = new MBeanParameterInfo(
118 "name", "type", "description", new DescriptorSupport());
119 MBeanParameterInfo mbeanParameterInfo = new MBeanParameterInfo(
120 null, "type", "description", new DescriptorSupport());
121 test(mbeanParameterInfo0, mbeanParameterInfo, "name");
122
123 mbeanParameterInfo = new MBeanParameterInfo(
124 "name", null, "description", new DescriptorSupport());
125 test(mbeanParameterInfo0, mbeanParameterInfo, "type");
126
127 mbeanParameterInfo = new MBeanParameterInfo(
128 "name", "type", null, new DescriptorSupport());
129 test(mbeanParameterInfo0, mbeanParameterInfo, "description");
130
131 mbeanParameterInfo = new MBeanParameterInfo(
132 "name", "type", "description", null);
133 test(mbeanParameterInfo0, mbeanParameterInfo, "Descriptor");
134
135 // ----
136 System.out.println("\n---Testing on MBeanFeatureInfo ...");
137 MBeanFeatureInfo mbeanFeatureInfo0 = new MBeanFeatureInfo(
138 "name", "description", new DescriptorSupport());
139 MBeanFeatureInfo mbeanFeatureInfo = new MBeanFeatureInfo(
140 null, "description", new DescriptorSupport());
141 test(mbeanFeatureInfo0, mbeanFeatureInfo, "name");
142
143 mbeanFeatureInfo = new MBeanFeatureInfo(
144 "name", null, new DescriptorSupport());
145 test(mbeanParameterInfo0, mbeanParameterInfo, "description");
146
147 mbeanFeatureInfo = new MBeanFeatureInfo(
148 "name", "description", null);
149 test(mbeanParameterInfo0, mbeanParameterInfo, "Descriptor");
150
151 // ----
152 System.out.println("\n---Testing on MBeanInfo...");
153 String className = "toto";
154 String description = "titi";
155 MBeanAttributeInfo[] attrInfos = new MBeanAttributeInfo[]{};
156 MBeanConstructorInfo[] constrInfos = new MBeanConstructorInfo[]{};
157 MBeanOperationInfo[] operaInfos = new MBeanOperationInfo[]{};
158 MBeanNotificationInfo[] notifInfos = new MBeanNotificationInfo[]{};
159
160 MBeanInfo minfo0 = new MBeanInfo("toto", description, attrInfos, constrInfos, operaInfos, notifInfos);
161 MBeanInfo minfo = new MBeanInfo(null, description, attrInfos, constrInfos, operaInfos, notifInfos);
162 test(minfo0, minfo, "class name");
163
164 minfo = new MBeanInfo(className, null, attrInfos, constrInfos, operaInfos, notifInfos);
165 test(minfo0, minfo, "description");
166
167 minfo = new MBeanInfo(className, description, null, constrInfos, operaInfos, notifInfos);
168 test(minfo0, minfo, "attrInfos");
169
170 minfo = new MBeanInfo(className, description, attrInfos, null, operaInfos, notifInfos);
171 test(minfo0, minfo, "constrInfos");
172
173 minfo = new MBeanInfo(className, description, attrInfos, constrInfos, null, notifInfos);
174 test(minfo0, minfo, "operaInfos");
175
176 minfo = new MBeanInfo(className, description, attrInfos, constrInfos, operaInfos, null);
177 test(minfo0, minfo, "notifInfos");
178
179 if (failed > 0) {
180 throw new RuntimeException("Test failed: "+failed);
181 } else {
182 System.out.println("---Test: PASSED");
183 }
184 }
185
186 private static void test(Object obj1, Object obj2, String param) {
187 try {
188 obj1.equals(obj2);
189 System.out.println("OK-1: "+obj1.getClass().getSimpleName()+".equals worked with a null paramer: "+param);
190 } catch (NullPointerException npe) {
191 System.out.println("--->KO-1!!! "+obj1.getClass().getSimpleName()+".equals got NPE with a null paramer: "+param);
192 npe.printStackTrace();
193 failed++;
194 }
195
196 try {
197 obj2.equals(obj1);
198 System.out.println("OK-2: "+obj2.getClass().getSimpleName()+".equals worked with a null paramer: "+param);
199 } catch (NullPointerException npe) {
200 System.out.println("--->KO-2!!! "+obj2.getClass().getSimpleName()+".equals got NPE with a null paramer: "+param);
201 npe.printStackTrace();
202 failed++;
203 }
204
205 try {
206 obj1.equals(null);
207 obj2.equals(null);
208
209 System.out.println("OK-3: "+obj1.getClass().getSimpleName()+".equals worked with a null field.");
210 } catch (NullPointerException npe) {
211 System.out.println("--->KO-3!!! "+obj1.getClass().getSimpleName()+".equals got NPE with a null field.");
212 npe.printStackTrace();
213 failed++;
214 }
215 }
216 }