/*
* Aphelion
* Copyright (c) 2015 Joris van der Wel
*
* This file is part of Aphelion
*
* Aphelion is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* Aphelion 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 Affero General Public License
* along with Aphelion. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, the following supplemental terms apply, based on section 7 of
* the GNU Affero General Public License (version 3):
* a) Preservation of all legal notices and author attributions
* b) Prohibition of misrepresentation of the origin of this material, and
* modified versions are required to be marked in reasonable ways as
* different from the original version (for example by appending a copyright notice).
*
* Linking this library statically or dynamically with other modules is making a
* combined work based on this library. Thus, the terms and conditions of the
* GNU Affero General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent modules,
* and to copy and distribute the resulting executable under terms of your
* choice, provided that you also meet, for each linked independent module,
* the terms and conditions of the license of that module. An independent
* module is a module which is not derived from or based on this library.
*/
package aphelion.shared.swissarmyknife;
import static org.junit.Assert.*;
import org.junit.Test;
public class SwissArmyKnifeTest
{
@Test
public void testDivideFloorInt()
{
try
{
SwissArmyKnife.divideFloor(0, 0);
assert false;
}
catch(ArithmeticException ex)
{
assert true;
}
assertEquals(0, SwissArmyKnife.divideFloor(0, 1));
assertEquals(1, SwissArmyKnife.divideFloor(1, 1));
assertEquals(0, SwissArmyKnife.divideFloor(1, 2));
assertEquals(3, SwissArmyKnife.divideFloor(10, 3));
assertEquals(5, SwissArmyKnife.divideFloor(10, 2));
assertEquals(-5, SwissArmyKnife.divideFloor(-10, 2));
assertEquals(-4, SwissArmyKnife.divideFloor(-10, 3));
assertEquals(-4, SwissArmyKnife.divideFloor(10, -3));
assertEquals(3, SwissArmyKnife.divideFloor(-10, -3));
assertEquals(-1, SwissArmyKnife.divideFloor(-1, 32));
}
@Test
public void testDivideFloorLong()
{
try
{
SwissArmyKnife.divideFloor(0L, 0L);
assert false;
}
catch(ArithmeticException ex)
{
assert true;
}
assertEquals(0L, SwissArmyKnife.divideFloor(0L, 1L));
assertEquals(1L, SwissArmyKnife.divideFloor(1L, 1L));
assertEquals(0L, SwissArmyKnife.divideFloor(1L, 2L));
assertEquals(3L, SwissArmyKnife.divideFloor(10L, 3L));
assertEquals(5L, SwissArmyKnife.divideFloor(10L, 2L));
assertEquals(-5L, SwissArmyKnife.divideFloor(-10L, 2L));
assertEquals(-4L, SwissArmyKnife.divideFloor(-10L, 3L));
assertEquals(-4L, SwissArmyKnife.divideFloor(10L, -3L));
assertEquals(3L, SwissArmyKnife.divideFloor(-10L, -3L));
assertEquals(-1L, SwissArmyKnife.divideFloor(-1L, 32L));
}
@Test
public void testDivideCeilInt()
{
try
{
SwissArmyKnife.divideCeil(0, 0);
assert false;
}
catch (ArithmeticException ex)
{
assert true;
}
assertEquals(0, SwissArmyKnife.divideCeil(0, 1));
assertEquals(1, SwissArmyKnife.divideCeil(1, 1));
assertEquals(1, SwissArmyKnife.divideCeil(1, 2));
assertEquals(4, SwissArmyKnife.divideCeil(10, 3));
assertEquals(5, SwissArmyKnife.divideCeil(10, 2));
assertEquals(-5, SwissArmyKnife.divideCeil(-10, 2));
assertEquals(-3, SwissArmyKnife.divideCeil(-10, 3));
assertEquals(-3, SwissArmyKnife.divideCeil(10, -3));
assertEquals(4, SwissArmyKnife.divideCeil(-10, -3));
assertEquals(0, SwissArmyKnife.divideCeil(-1, 32));
}
@Test
public void testDivideCeilLong()
{
try
{
SwissArmyKnife.divideCeil(0L, 0L);
assert false;
}
catch (ArithmeticException ex)
{
assert true;
}
assertEquals(0L, SwissArmyKnife.divideCeil(0L, 1L));
assertEquals(1L, SwissArmyKnife.divideCeil(1L, 1L));
assertEquals(1L, SwissArmyKnife.divideCeil(1L, 2L));
assertEquals(4L, SwissArmyKnife.divideCeil(10L, 3L));
assertEquals(5L, SwissArmyKnife.divideCeil(10L, 2L));
assertEquals(-5L, SwissArmyKnife.divideCeil(-10L, 2L));
assertEquals(-3L, SwissArmyKnife.divideCeil(-10L, 3L));
assertEquals(-3L, SwissArmyKnife.divideCeil(10L, -3L));
assertEquals(4L, SwissArmyKnife.divideCeil(-10L, -3L));
assertEquals(0L, SwissArmyKnife.divideCeil(-1L, 32L));
}
@Test
public void testDivideUpInt()
{
try
{
SwissArmyKnife.divideUp(0, 0);
assert false;
}
catch (ArithmeticException ex)
{
assert true;
}
assertEquals(0, SwissArmyKnife.divideUp(0, 1));
assertEquals(1, SwissArmyKnife.divideUp(1, 30));
assertEquals(-1, SwissArmyKnife.divideUp(-1, 30));
assertEquals(-1, SwissArmyKnife.divideUp(1, -30));
assertEquals(1, SwissArmyKnife.divideUp(-1, -30));
assertEquals(5, SwissArmyKnife.divideUp(10, 2));
assertEquals(-5, SwissArmyKnife.divideUp(10, -2));
assertEquals(-5, SwissArmyKnife.divideUp(-10, 2));
assertEquals(5, SwissArmyKnife.divideUp(-10, -2));
}
@Test
public void testDivideUpLong()
{
try
{
SwissArmyKnife.divideUp(0L, 0L);
assert false;
}
catch (ArithmeticException ex)
{
assert true;
}
assertEquals(0L, SwissArmyKnife.divideUp(0L, 1L));
assertEquals(1L, SwissArmyKnife.divideUp(1L, 30L));
assertEquals(-1L, SwissArmyKnife.divideUp(-1L, 30L));
assertEquals(-1L, SwissArmyKnife.divideUp(1L, -30L));
assertEquals(1L, SwissArmyKnife.divideUp(-1L, -30L));
assertEquals(5L, SwissArmyKnife.divideUp(10L, 2L));
assertEquals(-5L, SwissArmyKnife.divideUp(10L, -2L));
assertEquals(-5L, SwissArmyKnife.divideUp(-10L, 2L));
assertEquals(5L, SwissArmyKnife.divideUp(-10L, -2L));
}
}