/*
* This file is part of the OWASP Proxy, a free intercepting proxy library.
* Copyright (C) 2008-2010 Rogan Dawes <rogan@dawes.za.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package org.owasp.proxy.io;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.SecureRandom;
import java.util.logging.Logger;
import java.util.zip.GZIPOutputStream;
import org.junit.Assert;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.owasp.proxy.io.GzipInputStream;
public class GzipInputStreamTest {
private static Logger logger = Logger.getAnonymousLogger();
private static byte[] random;
private static byte[] data;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
random = new byte[16385];
SecureRandom sr = new SecureRandom();
sr.nextBytes(random);
data = new byte[16385];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) (i % 256);
}
}
@Before
public void setUp() throws Exception {
}
@After
public void tearDown() throws Exception {
}
@Test
public void testReadByteArrayIntInt() throws IOException {
verify(data);
verify(random);
}
private void verify(byte[] test) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
GZIPOutputStream gzos = new GZIPOutputStream(baos);
gzos.write(test);
gzos.close();
byte[] gzipped = baos.toByteArray();
InputStream in = new ByteArrayInputStream(test);
in = new GzipInputStream(in);
byte[] buff = new byte[gzipped.length];
int read = 0, got;
while ((got = in.read(buff, read, buff.length - read)) > -1) {
logger.fine("Read " + got);
read += got;
}
compare(gzipped, 0, buff, 0, read);
}
private void compare(byte[] a, int ao, byte[] b, int bo, int len) {
for (int i = 0; i < len; i++) {
Assert.assertEquals("Unexpected input at position " + (ao + i)
+ "/" + (bo + i), a[ao + i], b[bo + i]);
}
}
}