/* Copyright (c) 2016 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chunky 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 General Public License
* along with Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.util;
import org.junit.Test;
import java.util.NoSuchElementException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
public class TestRingBuffer {
@Test
public void testEmpty() {
assertTrue(new RingBuffer<Integer>(10).isEmpty());
}
@Test
public void testEmpty2() {
RingBuffer<Integer> buff = new RingBuffer<>(10);
buff.append(1);
assertFalse(buff.isEmpty());
}
@Test
public void testRemove() {
RingBuffer<Integer> buff = new RingBuffer<>(10);
buff.append(123);
assertEquals((Integer) 123, buff.remove());
}
@Test
public void testRemove2() {
RingBuffer<String> buff = new RingBuffer<>(3);
buff.append("A");
buff.append("B");
buff.append("C");
buff.append("D");
assertEquals("A", buff.remove());
assertEquals("B", buff.remove());
assertEquals("C", buff.remove());
}
@Test
public void testRemove3() {
RingBuffer<String> buff = new RingBuffer<>(50);
try {
buff.remove();
fail("Expected exception.");
} catch (NoSuchElementException e) {
}
}
@Test
public void testRemove4() {
RingBuffer<String> buff = new RingBuffer<>(3);
buff.append("A");
buff.append("B");
buff.append("C");
buff.append("D");
buff.remove();
buff.remove();
buff.remove();
try {
buff.remove();
fail("Expected exception.");
} catch (NoSuchElementException e) {
}
}
}