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//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.websocket.common.extensions.compress;
import java.nio.ByteBuffer;
import java.util.zip.Deflater;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.websocket.common.util.Hex;
import org.junit.Ignore;
import org.junit.Test;
public class DeflateTest
{
private int bufSize = 8 * 1024;
public String deflate(String inputHex, Deflater deflater, int flushMode)
{
byte uncompressed[] = Hex.asByteArray(inputHex);
deflater.reset();
deflater.setInput(uncompressed,0,uncompressed.length);
if (flushMode != Deflater.SYNC_FLUSH)
deflater.finish();
ByteBuffer out = ByteBuffer.allocate(bufSize);
byte buf[] = new byte[64];
int len = deflater.deflate(buf,0,buf.length,flushMode);
out.put(buf,0,len);
out.flip();
return Hex.asHex(out);
}
@Test
@Ignore("noisy")
public void deflateAllTypes()
{
int levels[] = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
boolean nowraps[] = new boolean[] { true, false };
int strategies[] = new int[] { Deflater.DEFAULT_STRATEGY, Deflater.FILTERED, Deflater.HUFFMAN_ONLY };
int flushmodes[] = new int[] { Deflater.NO_FLUSH, Deflater.SYNC_FLUSH, Deflater.FULL_FLUSH };
String inputHex = Hex.asHex(StringUtil.getUtf8Bytes("time:"));
for (int level : levels)
{
for (boolean nowrap : nowraps)
{
Deflater deflater = new Deflater(level,nowrap);
for (int strategy : strategies)
{
deflater.setStrategy(strategy);
for (int flushmode : flushmodes)
{
String result = deflate(inputHex,deflater,flushmode);
System.out.printf("%d | %b | %d | %d | \"%s\"%n",level,nowrap,strategy,flushmode,result);
}
}
}
}
}
}
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