/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2005, University of Maryland
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.ba;
import java.util.Arrays;
import junit.framework.Assert;
import junit.framework.TestCase;
/**
* @author David Hovemeyer
*/
public class MethodHashTest extends TestCase {
byte[] hash;
String s;
byte[] sameHash;
byte[] greaterHash;
byte[] lesserHash;
byte[] shorterHash;
byte[] longerHash;
/* (non-Javadoc)
* @see junit.framework.TestCase#setUp()
*/
@Override
protected void setUp() throws Exception {
hash = new byte[]{0x06, 0x04, (byte)0xDE, (byte)0xAD, (byte)0xBE, (byte)0xEF};
s = "0604deadbeef";
sameHash = new byte[]{0x06, 0x04, (byte)0xDE, (byte)0xAD, (byte)0xBE, (byte)0xEF};
greaterHash = new byte[]{0x06, 0x05, (byte)0xDE, (byte)0xAD, (byte)0xBE, (byte)0xEF};
lesserHash = new byte[]{0x06, 0x03, (byte)0xDE, (byte)0xAD, (byte)0xBE, (byte)0xEF};
shorterHash = new byte[]{0x06, 0x04, (byte)0xDE, (byte)0xAD, (byte)0xBE};
longerHash = new byte[]{0x06, 0x04, (byte)0xDE, (byte)0xAD, (byte)0xBE, (byte)0xEF, (byte)0x01};
}
public void testHashToString() {
String s2 = ClassHash.hashToString(hash);
Assert.assertEquals(s, s2);
}
public void testStringToHash() {
byte[] hash2 = ClassHash.stringToHash(s);
Assert.assertTrue(Arrays.equals(hash, hash2));
}
public void testSame() {
Assert.assertTrue(MethodHash.compareHashes(hash, sameHash) == 0);
Assert.assertTrue(MethodHash.compareHashes(sameHash, hash) == 0);
}
public void testGreater() {
Assert.assertTrue(MethodHash.compareHashes(hash, greaterHash) < 0);
}
public void testLesser() {
Assert.assertTrue(MethodHash.compareHashes(hash, lesserHash) > 0);
}
public void testShorter() {
Assert.assertTrue(MethodHash.compareHashes(hash, shorterHash) > 0);
}
public void testLonger() {
Assert.assertTrue(MethodHash.compareHashes(hash, longerHash) < 0);
}
}