=== Apache Excalibur===
The following examples shows that class CascadingErrorTestCase is extending from an abstract class called TestCase, possibly in the junit.framework.TestCase package.
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}
}
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<pre>
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.avalon.framework.test;
import org.apache.avalon.framework.CascadingException;
import org.apache.avalon.framework.CascadingThrowable;
import junit.framework.TestCase;
/**
* TestCase for {@link CascadingException}.
*
* @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
* @version $Id$
*/
public class CascadingExceptionTestCase extends TestCase
{
public void testConstructor()
{
assertNotNull( new CascadingException( null, null ) );
assertNotNull( new CascadingException( "msg", null ) );
assertNotNull(
new CascadingException( "msg", new RuntimeException() ) );
assertNotNull( new CascadingException( null, new RuntimeException() ) );
assertNotNull( new CascadingException( "msg" ) );
// ambiguous assertNotNull( new CascadingException( null ) );
//assertNotNull( new CascadingException() );
}
public void testGetCause()
{
RuntimeException re = new RuntimeException();
CascadingException e = new CascadingException( "msg", re );
assertEquals( re, e.getCause() );
e = new CascadingException( "msg", null );
assertNull( e.getCause() );
// default to jdk 1.3 cause (not that it seems to help,
// but it still makes sense)
/*Exception exc = new Exception("blah");
try
{
try
{
throw exc;
}
catch( Exception ex )
{
throw new CascadingException();
}
}
catch( CascadingException ex )
{
ex.getCause();
}*/
}
public void testCasts()
{
CascadingException e = new CascadingException( "msg", null );
assertTrue( e instanceof Exception );
assertTrue( e instanceof CascadingThrowable );
}
}
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