/*
* Copyright 2008-2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.nominanuda.lang;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import com.nominanuda.codec.Hex;
public class MathsTest {
@Test
public void testGetBytes() {
long l = 0xFF00EE11DD22CC33L;
byte[] b = Maths.getBytes(l);
assertEquals("FF00EE11DD22CC33".toLowerCase(), Hex.encode(b));
}
@Test
public void testAsUnsignedByte() {
assertEquals(128, Maths.asUnsignedByte((byte)-128));
assertEquals(131, Maths.asUnsignedByte((byte)-125));
assertEquals(0 , Maths.asUnsignedByte((byte)0));
assertEquals(127, Maths.asUnsignedByte((byte)127));
assertEquals(254, Maths.asUnsignedByte((byte)-2));
assertEquals(255, Maths.asUnsignedByte((byte)-1));
}
}