//compareTo Check
Assert.assertEquals(-1, f.compareFileName(new File("/tmp/x400001"), new File("/tmp/x400002")));
Assert.assertEquals(-1, f.compareFileName(new File("/tmp/x400001"), new File("/tmp/x400002"))); // DUPLICATE?
Assert.assertEquals(1, f.compareFileName(new File("/tmp/x410001"), new File("/tmp/x400002")));
Assert.assertEquals(1, f.compareFileName(new File("/tmp/x410009"), new File("/tmp/x410003")));
Assert.assertEquals(0, f.compareFileName(new File("/tmp/x410009"), new File("/tmp/x410009")));
//isNextFileInSeq
Assert.assertFalse(f.isNextFileInSequence(new File("/tmp/x400000"), new File("/tmp/x400000")));
Assert.assertFalse(f.isNextFileInSequence(new File("/tmp/x410000"), new File("/tmp/x400000")));
Assert.assertFalse(f.isNextFileInSequence(new File("/tmp/x400001"), new File("/tmp/x400000")));