/*
* Copyright 2004-2008 the original author or authors.
*
* Licensed 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.springframework.binding.method;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import junit.framework.TestCase;
/**
* Test case for {@link MethodInvocationException}.
*
* @author Erwin Vervaet
*/
public class MethodInvocationExceptionTests extends TestCase {
public void testGetTargetException() {
// runtime exception
IllegalArgumentException iae = new IllegalArgumentException("test");
MethodInvocationException ex = testException(iae);
assertSame(iae, ex.getTargetException());
// exception
IOException ioe = new IOException("test");
ex = testException(ioe);
assertSame(ioe, ex.getTargetException());
// nested
InvocationTargetException ite = new InvocationTargetException(ioe);
ex = testException(ite);
assertSame(ioe, ex.getTargetException());
// deep nesting
ite = new InvocationTargetException(new InvocationTargetException(ioe));
ex = testException(ite);
assertSame(ioe, ex.getTargetException());
}
// internal helpers
private MethodInvocationException testException(Throwable cause) {
return new MethodInvocationException(new MethodSignature("test"), null, cause);
}
}