/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.tests.unit.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.math.BigInteger;
import java.util.Arrays;
import org.junit.Test;
import org.syncany.util.Base58;
public class Base58Test {
@Test
public void testEncode() throws Exception {
byte[] testbytes = "Hello World".getBytes();
assertEquals("JxF12TrwUP45BMd", Base58.encode(testbytes));
BigInteger bi = BigInteger.valueOf(3471844090L);
assertEquals("16Ho7Hs", Base58.encode(bi.toByteArray()));
byte[] zeroBytes1 = new byte[1];
assertEquals("1", Base58.encode(zeroBytes1));
byte[] zeroBytes7 = new byte[7];
assertEquals("1111111", Base58.encode(zeroBytes7));
// test empty encode
assertEquals("", Base58.encode(new byte[0]));
}
@Test
public void testDecode() throws Exception {
byte[] testbytes = "Hello World".getBytes();
byte[] actualbytes = Base58.decode("JxF12TrwUP45BMd");
assertTrue(new String(actualbytes), Arrays.equals(testbytes, actualbytes));
assertTrue("1", Arrays.equals(Base58.decode("1"), new byte[1]));
assertTrue("1111", Arrays.equals(Base58.decode("1111"), new byte[4]));
try {
Base58.decode("This isn't valid base58");
fail();
} catch (RuntimeException e) {
// expected
}
// Test decode of empty String.
assertEquals(0, Base58.decode("").length);
}
}