001 /***************************************************************************** 002 * Copyright (C) PicoContainer Organization. All rights reserved. * 003 * ------------------------------------------------------------------------- * 004 * The software in this package is published under the terms of the BSD * 005 * style license a copy of which has been included with this distribution in * 006 * the LICENSE.txt file. * 007 * * 008 * Original code by * 009 *****************************************************************************/ 010 package org.picocontainer.tck; 011 012 import junit.framework.TestCase; 013 import org.picocontainer.MutablePicoContainer; 014 import org.picocontainer.PicoException; 015 import org.picocontainer.PicoRegistrationException; 016 017 /** 018 * @author Aslak Hellesøy 019 * @version $Revision: 940 $ 020 */ 021 public abstract class AbstractLazyInstantiationTestCase extends TestCase { 022 023 protected abstract MutablePicoContainer createPicoContainer(); 024 025 public static class Kilroy { 026 public Kilroy(Havana havana) { 027 havana.graffiti("Kilroy was here"); 028 } 029 } 030 031 public static class Havana { 032 public String paint = "Clean wall"; 033 034 public void graffiti(String paint) { 035 this.paint = paint; 036 } 037 } 038 039 public void testLazyInstantiation() throws PicoException, PicoRegistrationException { 040 MutablePicoContainer pico = createPicoContainer(); 041 042 pico.registerComponentImplementation(Kilroy.class); 043 pico.registerComponentImplementation(Havana.class); 044 045 assertSame(pico.getComponentInstance(Havana.class), pico.getComponentInstance(Havana.class)); 046 assertNotNull(pico.getComponentInstance(Havana.class)); 047 assertEquals("Clean wall", ((Havana) pico.getComponentInstance(Havana.class)).paint); 048 assertNotNull(pico.getComponentInstance(Kilroy.class)); 049 assertEquals("Kilroy was here", ((Havana) pico.getComponentInstance(Havana.class)).paint); 050 } 051 }