/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayOutputStream;
import org.jboss.security.Base64Utils;
import org.junit.Test;
/**
* Tests for {@link Base64Utils} class.
*
* @author Josef Cacek
*/
public class Base64UtilsTestCase
{
@Test
public void leadingZeroKeyTest()
{
final byte[] leadingZeroKey = new byte[] { 0, 81, 121, -37, 46, -64, 20, 114 };
final String b64EncLeadinZeroKey = "01HUTikm1Ho";
assertEquals(b64EncLeadinZeroKey, Base64Utils.tob64(leadingZeroKey));
assertArrayEquals(leadingZeroKey, Base64Utils.fromb64(b64EncLeadinZeroKey));
}
@Test
public void paddedLeadingZeroKeyTest()
{
final byte[] key = new byte[] { 0, 81, 121, -37, 46, -64, 20, 114 };
final String b64Key = "_01HUTikm1Ho";
assertEquals(b64Key, Base64Utils.tob64(key, true));
assertArrayEquals(key, Base64Utils.fromb64(b64Key));
}
@Test
public void lastZeroTest()
{
final byte[] key = new byte[] { 114, 81, 121, -37, 46, -64, 20, 0 };
final String b64Key = "79HUTikm1G0";
assertEquals(b64Key, Base64Utils.tob64(key));
assertArrayEquals(key, Base64Utils.fromb64(b64Key));
}
@Test
public void emptyKeyTest()
{
final byte[] key = new byte[] {};
final String b64Key = "";
assertEquals(b64Key, Base64Utils.tob64(key, true));
assertEquals(b64Key, Base64Utils.tob64(key, false));
assertArrayEquals(key, Base64Utils.fromb64(b64Key));
}
@Test
public void paddingTest()
{
ByteArrayOutputStream baos = new ByteArrayOutputStream(4);
baos.write(0);
assertEquals("__00", Base64Utils.tob64(baos.toByteArray(), true));
baos.write(0);
assertEquals("_000", Base64Utils.tob64(baos.toByteArray(), true));
baos.write(0);
assertEquals("0000", Base64Utils.tob64(baos.toByteArray(), true));
baos.write(0);
assertEquals("__000000", Base64Utils.tob64(baos.toByteArray(), true));
baos.write(0);
// assertArrayEquals(new byte[] {115, 117, 114, 101, 46}, Base64Utils.fromb64("_c3VyZS4"));
}
@Test
public void encodeDecodeTest() {
doEncodeDecodeTest(generateData(252));
doEncodeDecodeTest(generateData(253));
doEncodeDecodeTest(generateData(254));
doEncodeDecodeTest(generateData(255));
}
private void doEncodeDecodeTest(byte[] inputData) {
String s = Base64Utils.tob64(inputData);
String sp = Base64Utils.tob64(inputData, true);
byte[] decoded = Base64Utils.fromb64(s);
byte[] decodedp = Base64Utils.fromb64(sp);
//assertTrue("Whole result data has to be within the range for base64", isInRange(result));
assertArrayEquals("Encode-Decode test failed, results are not the same.", inputData, decoded);
assertArrayEquals("Encode-Decode test for padding failed, results are not the same.", inputData, decodedp);
}
private byte[] generateData(final int len) {
byte[] data = new byte[len];
for (int i = 0; i < len ; i++) {
data[i] = (byte)i;
}
return data;
}
}