/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug 6285124

 * @summary Small compressed zip entries should be read in one read() operation

 * @author Martin Buchholz

 */

import java.io.*;

import java.util.zip.*;

public class ShortRead {

    public static void main(String[] args) throws Exception {

        final File zFile = new File("abc.zip");

        try {

            final String entryName = "abc";

            final String data = "Data disponible";

            try (FileOutputStream fos = new FileOutputStream(zFile);

                 ZipOutputStream zos = new ZipOutputStream(fos))

            {

                zos.putNextEntry(new ZipEntry(entryName));

                zos.write(data.getBytes("ASCII"));

                zos.closeEntry();

            }

            try (ZipFile zipFile = new ZipFile(zFile)) {

                final ZipEntry zentry = zipFile.getEntry(entryName);

                final InputStream inputStream = zipFile.getInputStream(zentry);

                System.out.printf("size=%d csize=%d available=%d%n",

                                  zentry.getSize(),

                                  zentry.getCompressedSize(),

                                  inputStream.available());

                byte[] buf = new byte[data.length()];

                final int count = inputStream.read(buf);

                if (! new String(buf, "ASCII").equals(data) ||

                    count != data.length())

                    throw new Exception("short read?");

            }

        } finally {

            zFile.delete();

        }

    }

}