/** iterator.remove removes current element */
public void testDescendingIteratorRemove() {
final NavigableSet q = dset0();
q.add(new Integer(2));
q.add(new Integer(1));
q.add(new Integer(3));
Iterator it = q.iterator();
it.next();
it.remove();
it = q.iterator();
assertEquals(2, it.next());
assertEquals(3, it.next());
assertFalse(it.hasNext());
}
/**
* Marks an offset has committed. This method has side effects - it sets the internal state in
* such a way that future calls to {@link #findNextCommitOffset()} will return offsets greater
* than the offset specified, if any.
*
* @param committedOffset offset to be marked as committed
*/
public void commit(OffsetAndMetadata committedOffset) {
long numCommittedOffsets = 0;
if (committedOffset != null) {
final long oldCommittedOffset = this.committedOffset;
numCommittedOffsets = committedOffset.offset() - this.committedOffset;
this.committedOffset = committedOffset.offset();
for (Iterator<KafkaSpoutMessageId> iterator = ackedMsgs.iterator(); iterator.hasNext(); ) {
if (iterator.next().offset() <= committedOffset.offset()) {
iterator.remove();
} else {
break;
}
}
numUncommittedOffsets -= numCommittedOffsets;
LOG.debug(
"Committed offsets [{}-{} = {}] for topic-partition [{}]. [{}] uncommitted offsets across all topic partitions",
oldCommittedOffset + 1,
this.committedOffset,
numCommittedOffsets,
tp,
numUncommittedOffsets);
} else {
LOG.debug(
"Committed [{}] offsets for topic-partition [{}]. [{}] uncommitted offsets across all topic partitions",
numCommittedOffsets,
tp,
numUncommittedOffsets);
}
LOG.trace("{}", this);
}
/** iterator iterates through all elements */
public void testIterator() {
NavigableSet q = populatedSet(SIZE);
Iterator it = q.iterator();
int i;
for (i = 0; it.hasNext(); i++) assertTrue(q.contains(it.next()));
assertEquals(i, SIZE);
assertIteratorExhausted(it);
}
/** iterator of empty set has no elements */
public void testDescendingEmptyIterator() {
NavigableSet q = dset0();
int i = 0;
Iterator it = q.iterator();
while (it.hasNext()) {
assertTrue(q.contains(it.next()));
++i;
}
assertEquals(0, i);
}
/** iterator iterates through all elements */
public void testDescendingIterator() {
NavigableSet q = populatedSet(SIZE);
int i = 0;
Iterator it = q.iterator();
while (it.hasNext()) {
assertTrue(q.contains(it.next()));
++i;
}
assertEquals(i, SIZE);
}
public void testKeyDeleteRandomGaussian() throws Exception {
NavigableSet<Integer> keys = new TreeSet<Integer>();
long seed = System.currentTimeMillis();
System.out.println("testKeyDeleteRandomGaussian seed : " + seed);
MersenneTwisterFast random = new MersenneTwisterFast(seed);
while (keys.size() < KEYS_COUNT) {
int key = (int) (random.nextGaussian() * Integer.MAX_VALUE / 2 + Integer.MAX_VALUE);
if (key < 0) continue;
sbTree.put(key, createValue(key, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE + 4));
keys.add(key);
Assert.assertEquals(
sbTree.get(key), createValue(key, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE + 4));
doReset();
}
Iterator<Integer> keysIterator = keys.iterator();
while (keysIterator.hasNext()) {
int key = keysIterator.next();
if (key % 3 == 0) {
sbTree.remove(key);
keysIterator.remove();
}
doReset();
}
Assert.assertEquals(sbTree.firstKey(), keys.first());
doReset();
Assert.assertEquals(sbTree.lastKey(), keys.last());
doReset();
for (int key : keys) {
if (key % 3 == 0) {
Assert.assertNull(sbTree.get(key));
} else {
Assert.assertEquals(
sbTree.get(key), createValue(key, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE + 4));
}
doReset();
}
}
@SuppressWarnings("EmptyCatchBlock")
static void ensureNotDirectlyModifiable(NavigableSet<Integer> unmod) {
try {
unmod.add(4);
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.remove(4);
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.addAll(Collections.singleton(4));
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.pollFirst();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.pollLast();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
Iterator<Integer> iterator = unmod.iterator();
iterator.next();
iterator.remove();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
Iterator<Integer> iterator = unmod.descendingIterator();
iterator.next();
iterator.remove();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
}
@GwtIncompatible("NavigableSet")
void ensureNotDirectlyModifiable(NavigableSet<Integer> unmod) {
try {
unmod.add(4);
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.remove(4);
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.addAll(Collections.singleton(4));
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.pollFirst();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
unmod.pollLast();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
Iterator<Integer> iterator = unmod.iterator();
iterator.next();
iterator.remove();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
try {
Iterator<Integer> iterator = unmod.descendingIterator();
iterator.next();
iterator.remove();
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException expected) {
}
}
public void testKeyDeleteRandomUniform() throws Exception {
NavigableSet<Integer> keys = new TreeSet<Integer>();
for (int i = 0; i < KEYS_COUNT; i++) {
sbTree.put(i, createValue(i, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE + 4));
keys.add(i);
doReset();
}
Iterator<Integer> keysIterator = keys.iterator();
while (keysIterator.hasNext()) {
int key = keysIterator.next();
if (key % 3 == 0) {
sbTree.remove(key);
keysIterator.remove();
}
doReset();
}
Assert.assertEquals(sbTree.firstKey(), keys.first());
doReset();
Assert.assertEquals(sbTree.lastKey(), keys.last());
doReset();
for (int key : keys) {
if (key % 3 == 0) {
Assert.assertNull(sbTree.get(key));
} else {
Assert.assertEquals(
sbTree.get(key), createValue(key, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE + 4));
}
doReset();
}
}