try ( SmbResource c = f.resolve(String.format("%s%d.tmp", prefix, i)) ) {
                        c.createNewFile();
                    }
                }

                String[] found = f.list();
                Arrays.sort(found);

                for ( int i = 0; i < n; i++ ) {
                    Assert.assertTrue(Arrays.binarySearch(found, String.format("%s%d.tmp", prefix, i)) >= 0);
                }