cursor = new SubstringCursor( store, evaluator );
cursor.afterLast();
assertFalse( cursor.available() );
assertTrue( cursor.previous() );
assertTrue( cursor.available() );
assertEquals( Strings.getUUID( 6 ), cursor.get().getId() );
assertEquals( "bean", cursor.get().getKey() );
assertFalse( cursor.previous() );
assertFalse( cursor.available() );