int assertDeleteSucceed(int i, int freeSpaceBeforeDelete, int deleteSpace) {
int startOffset = appender.getTupleStartOffset(i);
int endOffset = appender.getTupleEndOffset(i);
int tupleLength = appender.getTupleLength(i);
appender.delete(i);
assertEquals(startOffset, appender.getTupleStartOffset(i));
assertEquals(-endOffset, appender.getTupleEndOffset(i));
assertEquals(-tupleLength, appender.getTupleLength(i));
assertEquals(freeSpaceBeforeDelete, appender.getContiguousFreeSpace());
assertEquals(deleteSpace + tupleLength + freeSpaceBeforeDelete, appender.getTotalFreeSpace());
return tupleLength;
}
@Test
public void testReset() throws Exception {
ByteBuffer buffer = ByteBuffer.allocate(cap);
appender.reset(buffer);
assertTrue(appender.getBuffer() == buffer);
assertTrue(appender.getTupleCount() == 0);
assertTrue(appender.getContiguousFreeSpace() == cap - 4 - 4);
int count = 10;
int deleted = 7;
buffer = makeAFrame(cap, count, deleted);
int pos = buffer.position();
appender.reset(buffer);
assertTrue(appender.getBuffer() == buffer);
assertTrue(appender.getTupleCount() == count);
assertTrue(appender.getContiguousFreeSpace() == cap - 4 - 4 - count * 4 - pos);
assertTrue(appender.getTotalFreeSpace() == appender.getContiguousFreeSpace() + deleted);
int dataOffset = 0;
for (int i = 0; i < count; i++) {
dataOffset += assertTupleIsExpected(i, dataOffset);
}
}
@Test
public void testResetAfterDelete() throws Exception {
testDelete();
appender.reset(appender.getBuffer());
assertEquals(cap - appender.getTupleCount() * 4 - 4 - 4, appender.getTotalFreeSpace());
}
