KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > hivemind > util > TestConstructorUtils


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.hivemind.util;
16
17 import org.apache.hivemind.ApplicationRuntimeException;
18 import org.apache.hivemind.test.HiveMindTestCase;
19
20 /**
21  * Tests for {@link org.apache.hivemind.util.ConstructorUtils}. Alas (for the moment), just fills a
22  * few gaps ... most of the code is tested indirectly by code that uses it.
23  *
24  * @author Howard M. Lewis Ship
25  * @since 1.1
26  */
27 public class TestConstructorUtils extends HiveMindTestCase
28 {
29     public static class Troublemaker
30     {
31         public Troublemaker(ApplicationRuntimeException ex)
32         {
33             throw ex;
34         }
35     }
36
37     public void testInvocationTargetException()
38     {
39         Throwable JavaDoc inner = new ApplicationRuntimeException("Inner exception.");
40
41         try
42         {
43             ConstructorUtils.invokeConstructor(Troublemaker.class, new Object JavaDoc[]
44             { inner });
45
46             unreachable();
47         }
48         catch (ApplicationRuntimeException ex)
49         {
50             String JavaDoc message = UtilMessages.invokeFailed(
51                     Troublemaker.class.getConstructors()[0],
52                     inner);
53
54             assertEquals(message, ex.getMessage());
55             assertSame(inner, ex.getCause());
56         }
57     }
58 }
Popular Tags