// min size 2, so will allocate 2 right away
assertEquals(2, alloc.getBufferOwnedSegmentCount());
assertEquals(0, alloc.getReusableSegmentCount());
buffer.appendEntry(new byte[24]); // fills 1 buffer, part of second
buffer.appendEntry(new byte[17]); // fills 2nd buffer, starts third
assertEquals(3, alloc.getBufferOwnedSegmentCount());
assertEquals(0, alloc.getReusableSegmentCount());
assertEquals(3, buffer.getSegmentCount());