@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 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_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 long_stack_put_five() throws IOException {
engine.lock.writeLock().lock();
engine.longStackPut(TEST_LS_RECID, 111);
engine.longStackPut(TEST_LS_RECID, 112);
engine.longStackPut(TEST_LS_RECID, 113);
engine.longStackPut(TEST_LS_RECID, 114);
engine.longStackPut(TEST_LS_RECID, 115);
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(5, engine.phys.getByte(pageId));
assertEquals(0, engine.phys.getLong(pageId) & StorageDirect.PHYS_OFFSET_MASK);
assertEquals(111, engine.phys.getLong(pageId + 8));
assertEquals(112, engine.phys.getLong(pageId + 16));
assertEquals(113, engine.phys.getLong(pageId + 24));
assertEquals(114, engine.phys.getLong(pageId + 32));
assertEquals(115, engine.phys.getLong(pageId + 40));
}
@Test
public void test_long_stack_put_take() throws IOException {
engine.lock.writeLock().lock();
final long max = 150;
for (long i = 1; i < max; i++) {
engine.longStackPut(TEST_LS_RECID, i);
}
for (long i = max - 1; i > 0; i--) {
assertEquals(i, engine.longStackTake(TEST_LS_RECID));
}
assertEquals(0, getLongStack(TEST_LS_RECID).size());
}
@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));
}
@Test
public void test_long_stack_put_take_simple() throws IOException {
engine.lock.writeLock().lock();
engine.longStackPut(TEST_LS_RECID, 111);
assertEquals(111L, engine.longStackTake(TEST_LS_RECID));
}