/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.core.encoder;
import static junit.framework.Assert.*;
import java.util.Random;
import org.junit.Test;
public class ByteArrayUtilTest {
int BA_SIZE = 16;
byte[] byteArray = new byte[BA_SIZE];
Random random = new Random(18532235);
@Test
public void smoke() {
verifyLoop(byteArray, 0, 0);
verifyLoop(byteArray, 0, 10);
verifyLoop(byteArray, 0, Integer.MAX_VALUE);
verifyLoop(byteArray, 0, Integer.MIN_VALUE);
}
@Test
public void random() {
for(int i = 0; i < 100000; i++) {
int rOffset = random.nextInt(BA_SIZE-4);
int rInt = random.nextInt();
verifyLoop(byteArray, rOffset, rInt);
}
}
void verifyLoop(byte[] ba, int offset, int expected) {
ByteArrayUtil.writeInt(byteArray, offset, expected);
int back = ByteArrayUtil.readInt(byteArray, offset);
assertEquals(expected, back);
}
}