/*
* Copyright (c) 2002-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.util;
import junit.framework.*;
import java.io.*;
import java.util.*;
/**
*
* @author mike
*/
public class BASE64Test extends TestCase {
public BASE64Test(java.lang.String testName) {
super(testName);
}
public static void main(java.lang.String[] args) {
junit.textui.TestRunner.run(suite());
System.err.flush();
System.out.flush();
}
public static Test suite() {
TestSuite suite = new TestSuite(BASE64Test.class);
return suite;
}
public void testRoundTrip0() {
byte testVector1[] = {};
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip1() {
byte testVector1[] = { 0 };
byte testVector3[] = { 127 };
byte testVector4[] = { -128 };
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip2() {
byte testVector1[] = { 0, 0 };
byte testVector2[] = { 0, 1 };
byte testVector3[] = { 127, 127 };
byte testVector4[] = { -128, -128 };
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip3() {
byte testVector1[] = { 0, 0, 0 };
byte testVector2[] = { 0, 1, 2 };
byte testVector3[] = { 127, 127, 127 };
byte testVector4[] = { -128, -128, -128 };
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip4() {
byte testVector1[] = { 0, 0, 0, 0 };
byte testVector2[] = { 0, 1, 2, 3 };
byte testVector3[] = { 127, 127, 127, 127 };
byte testVector4[] = { -128, -128, -128, -128 };
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip80() {
byte testVector1[] = new byte[80];
Arrays.fill(testVector1, (byte) 0);
byte testVector2[] = new byte[80];
Arrays.fill(testVector1, (byte) 1);
byte testVector3[] = new byte[80];
Arrays.fill(testVector1, (byte) 127);
byte testVector4[] = new byte[80];
Arrays.fill(testVector1, (byte) -128);
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip1024() {
byte testVector1[] = new byte[1024];
Arrays.fill(testVector1, (byte) 0);
byte testVector2[] = new byte[1024];
Arrays.fill(testVector2, (byte) 1);
byte testVector3[] = new byte[1024];
Arrays.fill(testVector3, (byte) 127);
byte[] testVector4 = createTestArray((byte) -128);
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTrip131072() {
byte testVector1[] = new byte[131072];
Arrays.fill(testVector1, (byte) 0);
byte testVector2[] = new byte[131072];
Arrays.fill(testVector1, (byte) 1);
byte testVector3[] = new byte[131072];
Arrays.fill(testVector1, (byte) 127);
byte testVector4[] = new byte[131072];
Arrays.fill(testVector1, (byte) -128);
try {
assertTrue("vector didn't round trip successfully", roundTripTest(testVector1));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector2));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector3));
assertTrue("vector didn't round trip successfully", roundTripTest(testVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public void testRoundTripCR1024() {
byte testVector1[] = createTestArray((byte)0);
String expectedB64ForVector1
= "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
+ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==";
byte testVector2[] = createTestArray((byte)1);
String expectedB64ForVector2
= "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB\n"
+ "AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQ==";
byte testVector3[] = createTestArray((byte)127);
String expectedB64ForVector3
= "f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/\n" +
"f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/f39/fw==";
byte[] testVector4 = createTestArray((byte) -128);
String expectedB64ForVector4
= "gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA\n" +
"gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgA==";
try {
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector1, expectedB64ForVector1));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector2, expectedB64ForVector2));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector3, expectedB64ForVector3));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector4, expectedB64ForVector4));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
private byte[] createTestArray(byte fillByte) {
byte testArray[] = new byte[1024];
Arrays.fill(testArray, fillByte);
return testArray;
}
public void testRoundTripCR131072Random() {
Random random = new Random();
byte testVector1[] = new byte[131072];
random.nextBytes(testVector1);
byte testVector2[] = new byte[131072];
random.nextBytes(testVector2);
byte testVector3[] = new byte[131072];
random.nextBytes(testVector3);
byte testVector4[] = new byte[131072];
random.nextBytes(testVector4);
try {
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector1, null));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector2, null));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector3, null));
assertTrue("vector didn't round trip successfully", roundTripTestCR(testVector4, null));
} catch (IOException failed) {
fail("Exception " + failed);
}
}
public boolean roundTripTest(byte[] source) throws IOException {
StringWriter base64Writer = new StringWriter();
OutputStream out = new BASE64OutputStream(base64Writer);
out.write(source);
out.close();
StringReader base64Reader = new StringReader(base64Writer.toString());
InputStream input = new BASE64InputStream(base64Reader);
DataInput di = new DataInputStream(input);
byte result[] = new byte[source.length];
di.readFully(result);
if (-1 != input.read()) {
throw new IOException("Not at EOF");
}
return Arrays.equals(source, result);
}
/**
* A round trip test that also compares whether our encoder works against
* an alternate sun private implemenation.
**/
public boolean roundTripTestCR(byte[] source, String expectedB64) throws IOException {
StringWriter base64Writer = new StringWriter();
OutputStream out = new BASE64OutputStream(base64Writer, 72);
out.write(source);
out.close();
if(expectedB64 != null) {
assertEquals(expectedB64, base64Writer.getBuffer().toString());
}
StringReader base64Reader = new StringReader(base64Writer.toString());
InputStream input = new BASE64InputStream(base64Reader);
DataInput di = new DataInputStream(input);
byte result[] = new byte[source.length];
di.readFully(result);
if (-1 != input.read()) {
throw new IOException("Not at EOF");
}
return Arrays.equals(source, result);
}
}