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 the committers                                           *
009     *****************************************************************************/
010    
011    package org.picocontainer.containers;
012    
013    import static org.junit.Assert.assertNull;
014    import static org.junit.Assert.assertTrue;
015    
016    import org.junit.Test;
017    import org.picocontainer.NameBinding;
018    import org.picocontainer.PicoContainer;
019    
020    /**
021     * @author Mauro Talevi
022     */
023    public class EmptyPicoContainerTestCase {
024    
025        @Test public void testReturnValues() {
026            PicoContainer pico = new EmptyPicoContainer();
027            assertNull(pico.getComponentAdapter(null, (NameBinding) null));
028            assertNull(pico.getComponentAdapter(null, (NameBinding) null));
029            assertTrue(pico.getComponentAdapters().isEmpty());
030            assertTrue(pico.getComponentAdapters(null).isEmpty());
031            assertNull(pico.getComponent((Class) null));
032            assertNull(pico.getComponent((Class) null));
033            assertTrue(pico.getComponents().isEmpty());
034            assertTrue(pico.getComponents(null).isEmpty());
035            assertNull(pico.getParent());
036        }
037    }