ant/src/testcases/org/apache/tools/zip/ZipEntryTest.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2002 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", "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.ZipEntry.
 *
 * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> 
 */
public class ZipEntryTest extends TestCase {

    public ZipEntryTest(String name) {
        super(name);
    }

    /**
     * test handling of extra fields
     *
     * @since 1.1
     */
    public void testExtraFields() {
        AsiExtraField a = new AsiExtraField();
        a.setDirectory(true);
        a.setMode(0755);
        UnrecognizedExtraField u = new UnrecognizedExtraField();
        u.setHeaderId(new ZipShort(1));
        u.setLocalFileDataData(new byte[0]);

        ZipEntry ze = new ZipEntry("test/");
        ze.setExtraFields(new ZipExtraField[] {a, u});
        byte[] data1 = ze.getExtra();
        ZipExtraField[] result = ze.getExtraFields();
        assertEquals("first pass", 2, result.length);
        assertSame(a, result[0]);
        assertSame(u, result[1]);

        UnrecognizedExtraField u2 = new UnrecognizedExtraField();
        u2.setHeaderId(new ZipShort(1));
        u2.setLocalFileDataData(new byte[] {1});

        ze.addExtraField(u2);
        byte[] data2 = ze.getExtra();
        result = ze.getExtraFields();
        assertEquals("second pass", 2, result.length);
        assertSame(a, result[0]);
        assertSame(u2, result[1]);
        assertEquals("length second pass", data1.length+1, data2.length);

        UnrecognizedExtraField u3 = new UnrecognizedExtraField();
        u3.setHeaderId(new ZipShort(2));
        u3.setLocalFileDataData(new byte[] {1});
        ze.addExtraField(u3);
        result = ze.getExtraFields();
        assertEquals("third pass", 3, result.length);

        ze.removeExtraField(new ZipShort(1));
        byte[] data3 = ze.getExtra();
        result = ze.getExtraFields();
        assertEquals("fourth pass", 2, result.length);
        assertSame(a, result[0]);
        assertSame(u3, result[1]);
        assertEquals("length fourth pass", data2.length, data3.length);

        try {
            ze.removeExtraField(new ZipShort(1));
            fail("should be no such element");
        } catch (java.util.NoSuchElementException nse) {
        }
    }

    public void testUnixMode() {
        ZipEntry ze = new ZipEntry("foo");
        assertEquals(0, ze.getPlatform());
        ze.setUnixMode(0755);
        assertEquals(3, ze.getPlatform());
        assertEquals(0755, 
                     (ze.getExternalAttributes() >> 16) & 0xFFFF);
        assertEquals(0, ze.getExternalAttributes()  & 0xFFFF);

        ze = new ZipEntry("foo/");
        ze.setUnixMode(0577);
        assertEquals(3, ze.getPlatform());
        assertEquals(0577, 
                     (ze.getExternalAttributes() >> 16) & 0xFFFF);
        assertEquals(0x10, ze.getExternalAttributes()  & 0xFFFF);
    }

}