| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 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", "Ant", 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 Group. |
| * |
| * 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/>. |
| */ |
| |
| package org.apache.tools.zip; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * JUnit 3 testcases for org.apache.tools.zip.ExtraFieldUtils. |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| */ |
| public class ExtraFieldUtilsTest extends TestCase implements UnixStat { |
| public ExtraFieldUtilsTest(String name) { |
| super(name); |
| } |
| |
| private AsiExtraField a; |
| private UnrecognizedExtraField dummy; |
| private byte[] data; |
| private byte[] aLocal; |
| |
| public void setUp() { |
| a = new AsiExtraField(); |
| a.setMode(0755); |
| a.setDirectory(true); |
| dummy = new UnrecognizedExtraField(); |
| dummy.setHeaderId(new ZipShort(1)); |
| dummy.setLocalFileDataData(new byte[0]); |
| dummy.setCentralDirectoryData(new byte[] {0}); |
| |
| aLocal = a.getLocalFileDataData(); |
| byte[] dummyLocal = dummy.getLocalFileDataData(); |
| data = new byte[4 + aLocal.length + 4 + dummyLocal.length]; |
| System.arraycopy(a.getHeaderId().getBytes(), 0, data, 0, 2); |
| System.arraycopy(a.getLocalFileDataLength().getBytes(), 0, data, 2, 2); |
| System.arraycopy(aLocal, 0, data, 4, aLocal.length); |
| System.arraycopy(dummy.getHeaderId().getBytes(), 0, data, |
| 4+aLocal.length, 2); |
| System.arraycopy(dummy.getLocalFileDataLength().getBytes(), 0, data, |
| 4+aLocal.length+2, 2); |
| System.arraycopy(dummyLocal, 0, data, |
| 4+aLocal.length+4, dummyLocal.length); |
| |
| } |
| |
| /** |
| * test parser. |
| */ |
| public void testParse() throws Exception { |
| ZipExtraField[] ze = ExtraFieldUtils.parse(data); |
| assertEquals("number of fields", 2, ze.length); |
| assert("type field 1", ze[0] instanceof AsiExtraField); |
| assertEquals("mode field 1", 040755, |
| ((AsiExtraField) ze[0]).getMode()); |
| assert("type field 2", ze[1] instanceof UnrecognizedExtraField); |
| assertEquals("data length field 2", 0, |
| ze[1].getLocalFileDataLength().getValue()); |
| |
| byte[] data2 = new byte[data.length-1]; |
| System.arraycopy(data, 0, data2, 0, data2.length); |
| try { |
| ExtraFieldUtils.parse(data2); |
| fail("data should be invalid"); |
| } catch (Exception e) { |
| assertEquals("message", |
| "data starting at "+(4+aLocal.length)+" is in unknown format", |
| e.getMessage()); |
| } |
| } |
| |
| /** |
| * Test merge methods |
| */ |
| public void testMerge() { |
| byte[] local = |
| ExtraFieldUtils.mergeLocalFileDataData(new ZipExtraField[] {a, dummy}); |
| assertEquals("local length", data.length, local.length); |
| for (int i=0; i<local.length; i++) { |
| assertEquals("local byte "+i, data[i], local[i]); |
| } |
| |
| byte[] dummyCentral = dummy.getCentralDirectoryData(); |
| byte[] data2 = new byte[4 + aLocal.length + 4 + dummyCentral.length]; |
| System.arraycopy(data, 0, data2, 0, 4 + aLocal.length + 2); |
| System.arraycopy(dummy.getCentralDirectoryLength().getBytes(), 0, |
| data2, 4+aLocal.length+2, 2); |
| System.arraycopy(dummyCentral, 0, data2, |
| 4+aLocal.length+4, dummyCentral.length); |
| |
| |
| byte[] central = |
| ExtraFieldUtils.mergeCentralDirectoryData(new ZipExtraField[] {a, dummy}); |
| assertEquals("central length", data2.length, central.length); |
| for (int i=0; i<central.length; i++) { |
| assertEquals("central byte "+i, data2[i], central[i]); |
| } |
| |
| } |
| } |