/* * Copyright (c) 2000 jPOS.org. 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 acknowledgment: "This product includes software * developed by the jPOS project (http://www.jpos.org/)". Alternately, this * acknowledgment may appear in the software itself, if and wherever such * third-party acknowledgments normally appear. *  4. The names "jPOS" and "jPOS.org" must not be used to endorse or promote * products derived from this software without prior written permission. For * written permission, please contact license@jpos.org. *  5. Products derived from this software may not be called "jPOS", nor may * "jPOS" appear in their name, without prior written permission of the jPOS * project. *  * 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 JPOS * PROJECT 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 jPOS Project. For more information please see * <http://www.jpos.org/> . */package iso;import junit.framework.TestCase;import org.jpos.iso.LeftPadder;/** * @author joconnor */public class LeftPadderTest extends TestCase {    private LeftPadder padder;        protected void setUp() {        padder = LeftPadder.ZERO_PADDER;    }        public void testPaddingNeeded() throws Exception {        assertEquals("000123", padder.pad("123", 6));    }    public void testNoPaddingNeeded() throws Exception {        assertEquals("123", padder.pad("123", 3));    }    public void testPadLengthTooShort() throws Exception {        try {            padder.pad("123", 2);            fail("Padding a string longer than the available width should throw an exception");        } catch (Exception asIExpected) {        }    }    public void testUnpad() throws Exception {        assertEquals("123", padder.unpad("000123"));    }    public void testUnpadAllPadding() throws Exception {        assertEquals("", padder.unpad("000"));    }    public void testReversability() throws Exception {        String origin = "Abc";        assertEquals(origin, padder.unpad(padder.pad(origin, 6)));    }}