}

                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);
                }
            }
            finally {
                f.delete();
            }
        }

    }


    @Test