readBytes = is.read(buf);
assertTrue(readBytes > 0);
assertTrue(Arrays.equals(Arrays.copyOfRange(buf, 0, readBytes), Arrays.copyOfRange(data, moved, moved+readBytes)));
moved += readBytes;
}
LockableRandomAccessBuffer raf = bucket.toRandomAccessBuffer();
assertEquals(length, raf.size());
RAFBucket wrapped = new RAFBucket(raf);
assertTrue(BucketTools.equalBuckets(bucket, wrapped));
for(int i=0;i<100;i++) {
int end = length == 1 ? 1 : r.nextInt(length)+1;