private void assertStoreAndRead(long... data) {
   for (long value : data) {
     idBuffer.store(value);
   }
   idBuffer.flush();
   System.out.println("idBuffer = " + idBuffer + " for " + Arrays.toString(data));
   idBuffer.toggleMode();
   for (long value : data) {
     assertEquals(value, idBuffer.read());
   }
 }