KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > junitx > framework > ObjectAssert


1 /*
2  * The JUnit-addons Software License, Version 1.0
3  * (based on the Apache Software License, Version 1.1)
4  *
5  * Copyright (c) 2002-2003 Vladimir R. Bossicard. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if
20  * any, must include the following acknowlegement:
21  * "This product includes software developed by Vladimir R.
22  * Bossicard as well as other contributors
23  * (http://junit-addons.sourceforge.net/)."
24  * Alternately, this acknowlegement may appear in the software itself,
25  * if and wherever such third-party acknowlegements normally appear.
26  *
27  * 4. The name "JUnit-addons" must not be used to endorse or promote
28  * products derived from this software without prior written
29  * permission. For written permission, please contact
30  * vbossica@users.sourceforge.net.
31  *
32  * 5. Products derived from this software may not be called "JUnit-addons"
33  * nor may "JUnit-addons" appear in their names without prior written
34  * permission of the project managers.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  * ======================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals. For more information on the JUnit-addons Project, please
52  * see <http://junit-addons.sourceforge.net/>.
53  */
54
55 package junitx.framework;
56
57 /**
58  * A set of assert methods specially targetted to asserting objects.
59  *
60  * @version $Revision: 1.7 $ $Date: 2003/04/27 02:14:33 $
61  * @author <a HREF="mailto:vbossica@users.sourceforge.net">Vladimir R. Bossicard</a>
62  */
63 public class ObjectAssert {
64
65     /**
66      * Don't let anyone have access to this constructor.
67      */
68     private ObjectAssert() {
69     }
70
71     /**
72      * Asserts that an object is an instance of a class. Throws an
73      * <tt>AssertionFailedError</tt> if it is not an instance of that class.
74      */
75     public static void assertInstanceOf(String JavaDoc message,
76                                         Class JavaDoc expected,
77                                         Object JavaDoc actual) {
78         if (expected.isInstance(actual)) {
79             return;
80         }
81         failInstanceOf(message, expected, actual);
82     }
83
84     /**
85      * Asserts that an object is an instance of a class. Throws an
86      * <tt>AssertionFailedError</tt> if it is not an instance of that class.
87      */
88     public static void assertInstanceOf(Class JavaDoc expected,
89                                         Object JavaDoc actual) {
90         assertInstanceOf(null, expected, actual);
91     }
92
93     /**
94      * Asserts that an object is not an instance of a class. Throws an
95      * <tt>AssertionFailedError</tt> if it is an instance of that class.
96      */
97     public static void assertNotInstanceOf(String JavaDoc message,
98                                            Class JavaDoc expected,
99                                            Object JavaDoc actual) {
100         if (!expected.isInstance(actual)) {
101             return;
102         }
103         failNotInstanceOf(message, expected);
104     }
105
106     /**
107      * Asserts that an object is not an instance of a class. Throws an
108      * <tt>AssertionFailedError</tt> if it is an instance of that class.
109      */
110     public static void assertNotInstanceOf(Class JavaDoc expected,
111                                            Object JavaDoc actual) {
112         assertNotInstanceOf(null, expected, actual);
113     }
114
115     /**
116      * Asserts that an object are the same. Throws an
117      * <tt>AssertionFailedError</tt> if they are not (including the objects'
118      * values).
119      */
120     public static void assertSame(Object JavaDoc expected,
121                                     Object JavaDoc actual) {
122         assertSame(null, expected, actual);
123     }
124
125     /**
126      * Asserts that an object are the same. Throws an
127      * <tt>AssertionFailedError</tt> if they are not (including the objects'
128      * values).
129      */
130     public static void assertSame(String JavaDoc message,
131                                     Object JavaDoc expected,
132                                     Object JavaDoc actual) {
133         if (expected == actual) {
134             return;
135         }
136         failSame(message, expected, actual);
137     }
138
139     /**
140      * Asserts that an object are not the same. Throws an
141      * <tt>AssertionFailedError</tt> if they are.
142      */
143     public static void assertNotSame(Object JavaDoc expected,
144                                        Object JavaDoc actual) {
145         assertNotSame(null, expected, actual);
146     }
147
148     /**
149      * Asserts that an object are not the same. Throws an
150      * <tt>AssertionFailedError</tt> if they are.
151      */
152     public static void assertNotSame(String JavaDoc message,
153                                        Object JavaDoc expected,
154                                        Object JavaDoc actual) {
155         if (expected != actual) {
156             return;
157         }
158         failNotSame(message, expected);
159     }
160
161     static private void failInstanceOf(String JavaDoc message,
162                                        Class JavaDoc expected,
163                                        Object JavaDoc actual) {
164         String JavaDoc formatted = "";
165         if (message != null) {
166             formatted = message + " ";
167         }
168
169         Assert.fail(formatted + "expected instance of class: <" + expected.getName() + "> but was of class: <" + actual.getClass().getName() + ">");
170     }
171
172     static private void failNotInstanceOf(String JavaDoc message,
173                                           Class JavaDoc expected) {
174         String JavaDoc formatted = "";
175         if (message != null) {
176             formatted = message + " ";
177         }
178
179         Assert.fail(formatted + "expected not instance of class: <" + expected.getName() + ">");
180     }
181
182     static private void failSame(String JavaDoc message,
183                                    Object JavaDoc expected,
184                                    Object JavaDoc actual) {
185        String JavaDoc formatted = "";
186        if (message != null) {
187            formatted = message + " ";
188        }
189
190        Assert.fail(formatted + "expected same as : <" + expected + "> but was <" + actual + ">");
191     }
192     
193     static private void failNotSame(String JavaDoc message,
194                                       Object JavaDoc expected) {
195        String JavaDoc formatted = "";
196        if (message != null) {
197            formatted = message + " ";
198        }
199
200        Assert.fail(formatted + "expected not same as : <" + expected + ">");
201     }
202     
203 }
204
Popular Tags