| package org.apache.commons.lang; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Commons", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| import junit.textui.TestRunner; |
| /** |
| * Unit tests {@link org.apache.commons.lang.ObjectUtils}. |
| * |
| * @author <a href="mailto:jmcnally@collab.net">John McNally</a> |
| * @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a> |
| * @author <a href="mailto:ridesmet@users.sourceforge.net">Ringo De Smet</a> |
| * @version $Id: ObjectUtilsTest.java,v 1.3 2002/09/18 20:12:15 scolebourne Exp $ |
| */ |
| public class ObjectUtilsTest extends TestCase { |
| private static final String FOO = "foo"; |
| private static final String BAR = "bar"; |
| |
| public ObjectUtilsTest(String name) { |
| super(name); |
| } |
| |
| public static void main(String[] args) { |
| TestRunner.run(suite()); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(ObjectUtilsTest.class); |
| suite.setName("ObjectUtils Tests"); |
| return suite; |
| } |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| //----------------------------------------------------------------------- |
| |
| public void testIsNull() { |
| Object o = FOO; |
| Object dflt = BAR; |
| assertSame("dflt was not returned when o was null", dflt, ObjectUtils.defaultIfNull(null, dflt)); |
| assertSame("dflt was returned when o was not null", o, ObjectUtils.defaultIfNull(o, dflt)); |
| } |
| |
| public void testEquals() { |
| assertTrue("ObjectUtils.equals(null, null) returned false", ObjectUtils.equals(null, null)); |
| assertTrue("ObjectUtils.equals(\"foo\", null) returned true", !ObjectUtils.equals(FOO, null)); |
| assertTrue("ObjectUtils.equals(null, \"bar\") returned true", !ObjectUtils.equals(null, BAR)); |
| assertTrue("ObjectUtils.equals(\"foo\", \"bar\") returned true", !ObjectUtils.equals(FOO, BAR)); |
| assertTrue("ObjectUtils.equals(\"foo\", \"foo\") returned false", ObjectUtils.equals(FOO, FOO)); |
| } |
| |
| public void testIdentityToString() { |
| assertEquals( |
| "java.lang.String@" + Integer.toHexString(System.identityHashCode(FOO)), |
| ObjectUtils.identityToString(FOO)); |
| Integer i = new Integer(90); |
| assertEquals( |
| "java.lang.Integer@" + Integer.toHexString(System.identityHashCode(i)), |
| ObjectUtils.identityToString(i)); |
| assertEquals(null, ObjectUtils.identityToString(null)); |
| } |
| |
| public void testNull() { |
| assertTrue(ObjectUtils.NULL != null); |
| assertTrue(ObjectUtils.NULL instanceof ObjectUtils.Null); |
| assertSame(ObjectUtils.NULL, SerializationUtils.clone(ObjectUtils.NULL)); |
| } |
| |
| } |