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Java > Open Source Codes > org > picocontainer > defaults > issues > Issue0280TestCase


1 package org.picocontainer.defaults.issues;
2 import org.picocontainer.MutablePicoContainer;
3 import org.picocontainer.PicoInitializationException;
4 import org.picocontainer.defaults.DefaultPicoContainer;
5
6 import junit.framework.TestCase;
7
8 /**
9  * Test case for issue http://jira.codehaus.org/browse/PICO-280
10  */
11 public class Issue0280TestCase extends TestCase
12 {
13     public void testShouldFailIfInstantiationInChildContainerFails()
14     {
15         MutablePicoContainer parent = new DefaultPicoContainer();
16         MutablePicoContainer child = new DefaultPicoContainer(parent);
17
18         parent.registerComponentImplementation(CommonInterface.class, ParentImplementation.class);
19         child.registerComponentImplementation(CommonInterface.class, ChildImplementation.class);
20
21         parent.start();
22         
23         try
24         {
25             Object JavaDoc result = child.getComponentInstanceOfType(CommonInterface.class);
26             
27             // should never get here
28 assertFalse(result.getClass() == ParentImplementation.class);
29         }
30         catch (Exception JavaDoc e)
31         {
32             assertTrue(e.getClass() == PicoInitializationException.class);
33         }
34
35     }
36
37     public interface CommonInterface
38     {
39         
40     }
41     
42     public static class ParentImplementation implements CommonInterface
43     {
44     }
45
46     public static class ChildImplementation implements CommonInterface
47     {
48         public ChildImplementation()
49         {
50             throw new PicoInitializationException("Problem during initialization");
51         }
52     }
53
54 }
55
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