/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.zip;

import junit.framework.TestCase;

/**
 * JUnit 3 testcases for org.apache.tools.zip.ZipEntry.
 *
 */
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.setUnixMode(0444);
        assertEquals(3, ze.getPlatform());
        assertEquals(0444,
                     (ze.getExternalAttributes() >> 16) & 0xFFFF);
        assertEquals(1, ze.getExternalAttributes()  & 0xFFFF);

        ze = new ZipEntry("foo/");
        assertEquals(0, ze.getPlatform());
        ze.setUnixMode(0777);
        assertEquals(3, ze.getPlatform());
        assertEquals(0777,
                     (ze.getExternalAttributes() >> 16) & 0xFFFF);
        assertEquals(0x10, ze.getExternalAttributes()  & 0xFFFF);

        ze.setUnixMode(0577);
        assertEquals(3, ze.getPlatform());
        assertEquals(0577,
                     (ze.getExternalAttributes() >> 16) & 0xFFFF);
        assertEquals(0x11, ze.getExternalAttributes()  & 0xFFFF);
    }

}