/*
* 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.
*/
/**
* @author Boris V. Kuznetsov
* @version $Revision$
*/
package org.apache.harmony.crypto.internal;
import java.nio.ByteBuffer;
import java.util.Arrays;
import javax.crypto.ShortBufferException;
import org.apache.harmony.crypto.internal.NullCipherSpi;
import junit.framework.TestCase;
/**
*
* Tests for NullCipher implementation
*/
public class NullCipherSpiTest extends TestCase {
public void testEngineGetBlockSize() {
NullCipherSpi spi = new NullCipherSpi();
assertEquals("incorrect block size", 1, spi.engineGetBlockSize());
}
public void testEngineGetOutputSize() {
NullCipherSpi spi = new NullCipherSpi();
assertEquals("incorrect output size", 100, spi.engineGetOutputSize(100));
}
public void testEngineGetIV() {
NullCipherSpi spi = new NullCipherSpi();
assertTrue("Incorrect IV", Arrays.equals(spi.engineGetIV() , new byte[8]));
}
/*
* Class under test for byte[] engineUpdate(byte[], int, int)
*/
public void testEngineUpdatebyteArrayintint() {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {1,2,3,4,5,6,7,8,9};
byte[] b1 = spi.engineUpdate(b, 3, 4);
for (int i = 0; i < 4; i++) {
assertEquals("incorrect update result", b[3+i], b1[i]);
}
}
/*
* Class under test for int engineUpdate(byte[], int, int, byte[], int)
*/
public void testEngineUpdatebyteArrayintintbyteArrayint() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {1,2,3,4,5,6,7,8,9};
byte[] b1 = new byte[10];
assertEquals("incorrect update result", 4, spi.engineUpdate(b, 3, 4, b1, 5));
for (int i = 0; i < 4; i++) {
assertEquals("incorrect update result", b[3+i], b1[5+i]);
}
}
/*
* Class under test for byte[] engineDoFinal(byte[], int, int)
*/
public void testEngineDoFinalbyteArrayintint() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {1,2,3,4,5,6,7,8,9};
byte[] b1 = null;
b1 = spi.engineDoFinal(b, 3, 4);
for (int i = 0; i < 4; i++) {
assertEquals("incorrect doFinal result", b[3+i], b1[i]);
}
}
/*
* Class under test for int engineDoFinal(byte[], int, int, byte[], int)
*/
public void testEngineDoFinalbyteArrayintintbyteArrayint() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {1,2,3,4,5,6,7,8,9};
byte[] b1 = new byte[10];
assertEquals("incorrect doFinal result", 4, spi.engineDoFinal(b, 3, 4, b1, 5));
for (int i = 0; i < 4; i++) {
assertEquals("incorrect doFinal result", b[3+i], b1[5+i]);
}
}
/*
* Class under test for int engineUpdate(ByteBuffer, ByteBuffer)
*/
public void testEngineUpdateByteBufferByteBuffer() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
ByteBuffer inbuf = ByteBuffer.wrap(b,0,b.length);
ByteBuffer outbuf = ByteBuffer.allocate(6);
try {
spi.engineUpdate(null, outbuf);
fail("No expected NullPointerException");
} catch (NullPointerException e) {
}
try {
spi.engineUpdate(inbuf, null);
fail("No expected NullPointerException");
} catch (NullPointerException e) {
}
inbuf.get();
inbuf.get();
inbuf.get();
inbuf.get();
int result = spi.engineUpdate(inbuf, outbuf);
assertEquals("incorrect result", b.length - 4, result);
for (int i = 0; i < result; i++) {
assertEquals("incorrect outbuf", i + 4, outbuf.get(i));
}
inbuf = ByteBuffer.wrap(b,0,b.length);
outbuf = ByteBuffer.allocate(5);
inbuf.get();
inbuf.get();
inbuf.get();
inbuf.get();
try {
spi.engineUpdate(inbuf, outbuf);
fail("No expected ShortBufferException");
} catch (ShortBufferException e) {
}
}
/*
* Class under test for int engineDoFinal(ByteBuffer, ByteBuffer)
*/
public void testEngineDoFinalByteBufferByteBuffer() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
byte[] b = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
ByteBuffer inbuf = ByteBuffer.wrap(b,0,b.length);
ByteBuffer outbuf = ByteBuffer.allocate(6);
try {
spi.engineDoFinal(null, outbuf);
fail("No expected NullPointerException");
} catch (NullPointerException e) {
}
try {
spi.engineDoFinal(inbuf, null);
fail("No expected NullPointerException");
} catch (NullPointerException e) {
}
inbuf.get();
inbuf.get();
inbuf.get();
inbuf.get();
int result = spi.engineDoFinal(inbuf, outbuf);
assertEquals("incorrect result", b.length - 4, result);
for (int i = 0; i < result; i++) {
assertEquals("incorrect outbuf", i + 4, outbuf.get(i));
}
inbuf = ByteBuffer.wrap(b,0,b.length);
outbuf = ByteBuffer.allocate(5);
inbuf.get();
inbuf.get();
inbuf.get();
inbuf.get();
try {
spi.engineDoFinal(inbuf, outbuf);
fail("No expected ShortBufferException");
} catch (ShortBufferException e) {
}
}
/*
* Class under test for byte[] engineWrap(Key)
*/
public void testEngineWrapKey() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
try {
spi.engineWrap(null);
fail("No expected UnsupportedOperationException");
} catch (UnsupportedOperationException e) {
}
}
/*
* Class under test for Key engineUnwrap(byte[], String, int)
*/
public void testEngineUnwrapbyteArrayStringint() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
try {
spi.engineUnwrap(new byte[3], "", 10);
fail("No expected UnsupportedOperationException");
} catch (UnsupportedOperationException e) {
}
}
/*
* Class under test for int engineGetKeySize(Key)
*/
public void testEngineGetKeySize() throws Exception {
NullCipherSpi spi = new NullCipherSpi();
try {
spi.engineGetKeySize(null);
fail("No expected UnsupportedOperationException");
} catch (UnsupportedOperationException e) {
}
}
}