Package org.apache.avalon.excalibur.component.test

Source Code of org.apache.avalon.excalibur.component.test.ComponentProxyGeneratorTestCase

/*
* 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.excalibur.component.test;

import junit.framework.TestCase;

import org.apache.avalon.excalibur.component.ComponentProxyGenerator;
import org.apache.avalon.framework.component.Component;

/**
* Create a Component proxy.  Requires JDK 1.3+
*
* @deprecated ECM is no longer supported
*
* @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
*/
public final class ComponentProxyGeneratorTestCase
    extends TestCase
{
    public ComponentProxyGeneratorTestCase( String name )
    {
        super( name );
    }

    public void testGenerateComponent()
        throws Exception
    {
        Integer testInt = new Integer( 7 );
        ComponentProxyGenerator proxyGen = new ComponentProxyGenerator();

        final Component component =
            proxyGen.getProxy( "java.lang.Comparable", testInt );
        assertTrue( component != null );
        assertTrue( component instanceof Comparable );

        Comparable comp = (Comparable)component;
        assertEquals( 0, comp.compareTo( testInt ) );

        /* Please note one important limitation of using the Proxy on final
         * classes like Integer.  I cannot create a proxy on Integer, but I
         * can on interfaces it implements like Comparable.  I can safely
         * compare the proxied class against the original Integer, but I
         * cannot compare the original Integer against the proxied class.
         * there ends up a class cast exception within the Integer.compareTo
         * method.
         */
    }
}
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