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
011package org.picocontainer.containers;
012
013import static org.junit.Assert.assertNull;
014import static org.junit.Assert.assertTrue;
015
016import org.junit.Test;
017import org.picocontainer.NameBinding;
018import org.picocontainer.PicoContainer;
019
020/**
021 * @author Mauro Talevi
022 */
023public 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}