assertFalse( results.isFirst() );
assertFalse( results.isLast() );
assertFalse( results.next() );
for ( int i=1; i<3; i++ ) {
assertFalse( results.scroll( i ) );
assertFalse( results.isFirst() );
assertFalse( results.isLast() );
assertFalse( results.scroll( - i ) );
assertFalse( results.isFirst() );