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package org.bouncycastle.openpgp.test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openpgp.PGPCompressedData;
import org.bouncycastle.openpgp.PGPCompressedDataGenerator;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.jcajce.JcaPGPObjectFactory;
import org.bouncycastle.util.test.SimpleTest;
import org.bouncycastle.util.test.UncloseableOutputStream;
public class PGPCompressionTest
extends SimpleTest
{
public void performTest()
throws Exception
{
testCompression(PGPCompressedData.UNCOMPRESSED);
testCompression(PGPCompressedData.ZIP);
testCompression(PGPCompressedData.ZLIB);
testCompression(PGPCompressedData.BZIP2);
//
// new style - using stream close
//
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
PGPCompressedDataGenerator cPacket = new PGPCompressedDataGenerator(
PGPCompressedData.ZIP);
OutputStream out = cPacket.open(new UncloseableOutputStream(bOut), new byte[4]);
out.write("hello world! !dlrow olleh".getBytes());
out.close();
validateData(bOut.toByteArray());
try
{
out.close();
cPacket.close();
}
catch (Exception e)
{
fail("Redundant close() should be ignored");
}
//
// new style - using generator close
//
bOut = new ByteArrayOutputStream();
cPacket = new PGPCompressedDataGenerator(
PGPCompressedData.ZIP);
out = cPacket.open(new UncloseableOutputStream(bOut), new byte[4]);
out.write("hello world! !dlrow olleh".getBytes());
cPacket.close();
validateData(bOut.toByteArray());
try
{
out.close();
cPacket.close();
}
catch (Exception e)
{
fail("Redundant close() should be ignored");
}
}
private void validateData(byte[] data)
throws IOException, PGPException
{
JcaPGPObjectFactory pgpFact = new JcaPGPObjectFactory(data);
PGPCompressedData c1 = (PGPCompressedData)pgpFact.nextObject();
InputStream pIn = c1.getDataStream();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
int ch;
while ((ch = pIn.read()) >= 0)
{
bOut.write(ch);
}
if (!areEqual(bOut.toByteArray(), "hello world! !dlrow olleh".getBytes()))
{
fail("compression test failed");
}
}
private void testCompression(
int type)
throws IOException, PGPException
{
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
PGPCompressedDataGenerator cPacket = new PGPCompressedDataGenerator(type);
OutputStream out = cPacket.open(new UncloseableOutputStream(bOut));
out.write("hello world!".getBytes());
out.close();
JcaPGPObjectFactory pgpFact = new JcaPGPObjectFactory(bOut.toByteArray());
PGPCompressedData c1 = (PGPCompressedData)pgpFact.nextObject();
InputStream pIn = c1.getDataStream();
bOut.reset();
int ch;
while ((ch = pIn.read()) >= 0)
{
bOut.write(ch);
}
if (!areEqual(bOut.toByteArray(), "hello world!".getBytes()))
{
fail("compression test failed");
}
}
public String getName()
{
return "PGPCompressionTest";
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new PGPCompressionTest());
}
}
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