@Test
public void long_stack_page_overflow() throws IOException {
engine.lock.writeLock().lock();
// fill page until near overflow
for (int i = 0; i < StorageDirect.LONG_STACK_NUM_OF_RECORDS_PER_PAGE; i++) {
engine.longStackPut(TEST_LS_RECID, 1000L + i);
}
engine.commit();
// check content
long pageId = engine.index.getLong(TEST_LS_RECID * 8);
assertEquals(StorageDirect.LONG_STACK_PAGE_SIZE, pageId >>> 48);
pageId = pageId & StorageDirect.PHYS_OFFSET_MASK;
assertEquals(8L, pageId);
assertEquals(StorageDirect.LONG_STACK_NUM_OF_RECORDS_PER_PAGE, engine.phys.getByte(pageId));
for (int i = 0; i < StorageDirect.LONG_STACK_NUM_OF_RECORDS_PER_PAGE; i++) {
assertEquals(1000L + i, engine.phys.getLong(pageId + 8 + i * 8));
}
// add one more item, this will trigger page overflow
engine.longStackPut(TEST_LS_RECID, 11L);
engine.commit();
// check page overflowed
pageId = engine.index.getLong(TEST_LS_RECID * 8);
assertEquals(StorageDirect.LONG_STACK_PAGE_SIZE, pageId >>> 48);
pageId = pageId & StorageDirect.PHYS_OFFSET_MASK;
assertEquals(8L + StorageDirect.LONG_STACK_PAGE_SIZE, pageId);
assertEquals(1, engine.phys.getByte(pageId));
assertEquals(8L, engine.phys.getLong(pageId) & StorageDirect.PHYS_OFFSET_MASK);
assertEquals(11L, engine.phys.getLong(pageId + 8));
}
@Test
public void long_stack_page_deleted_after_take() throws IOException {
engine.lock.writeLock().lock();
engine.longStackPut(TEST_LS_RECID, 111);
engine.commit();
assertEquals(111L, engine.longStackTake(TEST_LS_RECID));
engine.commit();
assertEquals(0L, engine.index.getLong(TEST_LS_RECID * 8));
}
@Test
public void test_index_record_delete() {
long recid = engine.put(1000L, Serializer.LONG_SERIALIZER);
engine.commit();
assertEquals(1, countIndexRecords());
engine.delete(recid, Serializer.LONG_SERIALIZER);
engine.commit();
assertEquals(0, countIndexRecords());
}
@Test
public void test_index_stores_record_size() throws IOException {
final long recid = engine.put(1, Serializer.INTEGER_SERIALIZER);
engine.commit();
assertEquals(
4, engine.index.getUnsignedShort(recid * 8 + StorageDirect.INDEX_OFFSET_START * 8));
assertEquals(Integer.valueOf(1), engine.get(recid, Serializer.INTEGER_SERIALIZER));
engine.update(recid, 1L, Serializer.LONG_SERIALIZER);
engine.commit();
assertEquals(
8, engine.index.getUnsignedShort(recid * 8 + StorageDirect.INDEX_OFFSET_START * 8));
assertEquals(Long.valueOf(1), engine.get(recid, Serializer.LONG_SERIALIZER));
}
@Test
public void test_index_record_delete_and_reusef() {
long recid = engine.put(1000L, Serializer.LONG_SERIALIZER);
engine.commit();
assertEquals(1, countIndexRecords());
assertEquals(Engine.LAST_RESERVED_RECID + 1, recid);
engine.delete(recid, Serializer.LONG_SERIALIZER);
engine.commit();
assertEquals(0, countIndexRecords());
long recid2 = engine.put(1000L, Serializer.LONG_SERIALIZER);
engine.commit();
// test that previously deleted index slot was reused
assertEquals(recid, recid2);
assertEquals(1, countIndexRecords());
assertNotEquals(0, engine.index.getLong(recid * 8 + StorageDirect.INDEX_OFFSET_START * 8));
}
@Test
public void test_long_stack_puts_record_size_into_index() throws IOException {
engine.lock.writeLock().lock();
engine.longStackPut(TEST_LS_RECID, 1);
engine.commit();
assertEquals(
StorageDirect.LONG_STACK_PAGE_SIZE, engine.index.getUnsignedShort(TEST_LS_RECID * 8));
}
@Test
public void long_stack_page_created_after_put() throws IOException {
engine.lock.writeLock().lock();
engine.longStackPut(TEST_LS_RECID, 111);
engine.commit();
long pageId = engine.index.getLong(TEST_LS_RECID * 8);
assertEquals(StorageDirect.LONG_STACK_PAGE_SIZE, pageId >>> 48);
pageId = pageId & StorageDirect.PHYS_OFFSET_MASK;
assertEquals(8L, pageId);
assertEquals(1, engine.phys.getByte(pageId));
assertEquals(0, engine.phys.getLong(pageId) & StorageDirect.PHYS_OFFSET_MASK);
assertEquals(111, engine.phys.getLong(pageId + 8));
}
@Test
public void compact() {
Map<Long, Long> recids = new HashMap<Long, Long>();
for (Long l = 0L; l < 1000; l++) {
recids.put(l, engine.put(l, Serializer.LONG_SERIALIZER));
}
engine.commit();
engine.compact();
for (Map.Entry<Long, Long> e : recids.entrySet()) {
Long recid = e.getValue();
Long value = e.getKey();
assertEquals(value, engine.get(recid, Serializer.LONG_SERIALIZER));
}
}
@Test
public void test_basic_long_stack() throws IOException {
// dirty hack to make sure we have lock
engine.lock.writeLock().lock();
final long max = 150;
ArrayList<Long> list = new ArrayList<Long>();
for (long i = 1; i < max; i++) {
engine.longStackPut(TEST_LS_RECID, i);
list.add(i);
}
Collections.reverse(list);
engine.commit();
assertEquals(list, getLongStack(TEST_LS_RECID));
}