@Test
public void testProcessed() throws Exception {
RoundRobinSchedulerStats stats = new RoundRobinSchedulerStats();
assertEquals("Wrong default value.", 0, stats.getProcessedItemCount());
stats.incrementProcessed();
assertEquals("Wrong incremented value.", 1, stats.getProcessedItemCount());
stats.incrementProcessed();
assertEquals("Wrong incremented value.", 2, stats.getProcessedItemCount());
stats.incrementProcessed();
assertEquals("Wrong incremented value.", 3, stats.getProcessedItemCount());
}