MethodInvocationExceptionTests.java :  » Workflow-Engines » spring-webflow-2.0.8 » org » springframework » binding » method » Java Open Source

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spring webflow 2.0.8 » org » springframework » binding » method » MethodInvocationExceptionTests.java
/*
 * 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);
  }
}
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