@Test
public void testHead1() {
final RingBuffer<Integer> ring = new RingBufferSimple<Integer>(1);
assertEquals(ring.length(), 1);
ring.setHead(100, 100);
assertEquals(ring.head(), 100);
assertEquals(ring.get(100), (Integer) 100);
ring.setHead(123, 100);
assertEquals(ring.head(), 123);
assertEquals(ring.get(123), (Integer) 100);
}
@Test
public void testRingArray1() {
final RingBuffer<Integer> ring = new RingBufferSimple<Integer>(10);
int ringMemSize;
ringMemSize = JavaSize.of(ring);
// System.err.println("ring mem size=" + ringMemSize);
assertEquals(ringMemSize, 72);
//
int basis;
for (int k = 0; k < 10; k++) {
ring.set(k, new Integer(k));
}
basis = ring.head();
// System.err.println("ring basis=" + basis);
assertEquals(basis, 0);
//
for (int k = 0; k < 10; k++) {
assertEquals(ring.get(k), (Integer) k);
}
//
assertEquals(ring.head(), 0);
assertEquals(ring.tail(), 9);
assertEquals(ring.get(4), (Integer) 4);
for (int k = 5; k < 10; k++) {
// System.err.println("ring k=" + k);
assertEquals(ring.get(k), (Integer) (k));
}
//
}
@Test
public void testHead() {
final RingBuffer<Integer> ring = new RingBufferSimple<Integer>(10);
assertEquals(ring.length(), 10);
ring.setHead(100, 100);
assertEquals(ring.count(), 1);
assertEquals(ring.get(100), (Integer) 100);
for (int k = 101; k < 110; k++) {
assertEquals(ring.get(k), null);
}
for (int k = 100; k < 110; k++) {
ring.set(k, k);
}
assertEquals(ring.count(), 10);
for (int k = 100; k < 110; k++) {
assertEquals(ring.get(k), (Integer) k);
}
ring.setHead(105, 205);
assertEquals(ring.count(), 5);
assertEquals(ring.head(), 105);
assertEquals(ring.tail(), 114);
assertEquals(ring.get(105), (Integer) 205);
for (int k = 106; k < 110; k++) {
assertEquals(ring.get(k), (Integer) k);
}
for (int k = 110; k < 115; k++) {
assertEquals(ring.get(k), (Integer) null);
}
ring.set(114, 114);
assertEquals(ring.count(), 6);
assertEquals(ring.get(114), (Integer) 114);
}
@Test
public void testyTail() {
final RingBuffer<Integer> ring = new RingBufferSimple<Integer>(10);
assertEquals(ring.length(), 10);
ring.setTail(109, 109);
assertEquals(ring.count(), 1);
assertEquals(ring.get(109), (Integer) 109);
for (int k = 100; k < 109; k++) {
assertEquals(ring.get(k), null);
}
for (int k = 100; k < 110; k++) {
ring.set(k, k);
}
assertEquals(ring.count(), 10);
for (int k = 100; k < 110; k++) {
assertEquals(ring.get(k), (Integer) k);
}
ring.setTail(104, 204);
assertEquals(ring.count(), 5);
assertEquals(ring.head(), 95);
assertEquals(ring.tail(), 104);
assertEquals(ring.get(104), (Integer) 204);
for (int k = 100; k < 104; k++) {
assertEquals(ring.get(k), (Integer) k);
}
for (int k = 95; k < 100; k++) {
assertEquals(ring.get(k), (Integer) null);
}
ring.set(95, 95);
assertEquals(ring.get(95), (Integer) 95);
assertEquals(ring.count(), 6);
}