/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.utilities;
import org.junit.Test;
import org.terasology.math.Rect2i;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class Rect2iTest {
@Test
public void testSubtraction0() {
Rect2i a = Rect2i.createFromMinAndSize(1, 2, 3, 3);
Rect2i b = Rect2i.createFromMinAndSize(0, 4, 3, 3);
List<Rect2i> sub = Rect2i.difference(a, b);
assertEquals(2, sub.size());
int area = 0;
for (Rect2i r : sub) {
area += r.area();
}
assertEquals(7, area);
assertTrue(sub.contains(Rect2i.createFromMinAndSize(1, 2, 3, 2)));
assertTrue(sub.contains(Rect2i.createFromMinAndSize(3, 4, 1, 1)));
}
@Test
public void testSubtraction1() {
Rect2i a = Rect2i.createFromMinAndSize(1, 2, 3, 3);
Rect2i b = Rect2i.createFromMinAndSize(3, 2, 3, 3);
List<Rect2i> sub = Rect2i.difference(a, b);
assertEquals(1, sub.size());
assertEquals(Rect2i.createFromMinAndSize(1, 2, 2, 3), sub.get(0));
}
@Test
public void overlap() {
assertTrue(Rect2i.createFromMinAndSize(5, 5, 472, 17).overlaps(Rect2i.createFromMinAndSize(5, 5, 1, 16)));
}
@Test
public void testContains() {
Rect2i a = Rect2i.createFromMinAndMax(0, 0, 0, 0);
assertTrue(a.contains(0, 0));
assertFalse(a.contains(1, 0));
assertFalse(a.contains(0, 1));
assertFalse(a.contains(1, 1));
assertFalse(a.contains(-1, 0));
assertFalse(a.contains(0, -1));
assertFalse(a.contains(-1, 1));
assertFalse(a.contains(1, -1));
assertFalse(a.contains(-1, -1));
}
}