public void testStatisticsOperations() throws Exception {
final Statistics stats = new Statistics("file");
Assert.assertEquals(0L, stats.getBytesRead());
Assert.assertEquals(0L, stats.getBytesWritten());
Assert.assertEquals(0, stats.getWriteOps());
stats.incrementBytesWritten(1000);
Assert.assertEquals(1000L, stats.getBytesWritten());
Assert.assertEquals(0, stats.getWriteOps());
stats.incrementWriteOps(123);
Assert.assertEquals(123, stats.getWriteOps());