question: public void test_restartSafe_oneWrite ( ) { IAtomicStore store = ( IAtomicStore ) getStore ( ) ; try { assertTrue ( store . isStable ( ) ) ; final Random r = new Random ( ) ; final int len = 100 ; final byte [ ] expected = new byte [ len ] ; r . nextBytes ( expected ) ; final ByteBuffer tmp = ByteBuffer . wrap ( expected ) ; final long addr1 = store . write ( tmp ) ; assertEquals ( len , tmp . position ( ) ) ; assertEquals ( tmp . position ( ) , tmp . limit ( ) ) ; ByteBuffer actual = store . read ( addr1 ) ; assertEquals ( expected , actual ) ; assertEquals ( 0 , actual . position ( ) ) ; assertEquals ( expected . length , actual . limit ( ) ) ; store . commit ( ) ; store = ( IAtomicStore ) reopenStore ( store ) ; assertTrue ( store . isStable ( ) ) ; actual = store . read ( addr1 ) ; assertEquals ( expected , actual ) ; } finally { store . destroy ( ) ; } }
target:  Writes a record, verifies the write then commits the store. Closes and reopens the store and finally verifies the write on the reopened store.