question: public void test_multipleWrites ( ) { final IRawStore store = getStore ( ) ; try { final int limit = 100 ; final long [ ] addrs = new long [ limit ] ; final byte [ ] [ ] records = new byte [ limit ] [ ] ; for ( int i = 0 ; i < limit ; i ++ ) { final byte [ ] expected = new byte [ r . nextInt ( 100 ) + 1 ] ; r . nextBytes ( expected ) ; final ByteBuffer tmp = ByteBuffer . wrap ( expected ) ; final long addr = store . write ( tmp ) ; assertEquals ( expected . length , tmp . position ( ) ) ; assertEquals ( tmp . position ( ) , tmp . limit ( ) ) ; assertEquals ( expected , store . read ( addr ) ) ; addrs [ i ] = addr ; records [ i ] = expected ; } final int [ ] order = getRandomOrder ( limit ) ; for ( int i = 0 ; i < limit ; i ++ ) { final long addr = addrs [ order [ i ] ] ; final byte [ ] expected = records [ order [ i ] ] ; assertEquals ( expected , store . read ( addr ) ) ; } } finally { store . destroy ( ) ; } }
target:  Test writes a bunch of records and verifies that each can be read after it is written.  The test then performs a random order read and verifies that each of the records can be read correctly.