@Test
public void testScheduledItems() throws Exception {
RoundRobinSchedulerStats stats = new RoundRobinSchedulerStats();
assertEquals("Wrong default value.", 0, stats.getScheduledItemCount());
stats.incrementScheduled();
assertEquals("Wrong incremented value.", 1, stats.getScheduledItemCount());
stats.incrementScheduled();
assertEquals("Wrong incremented value.", 2, stats.getScheduledItemCount());
stats.incrementScheduled();
assertEquals("Wrong incremented value.", 3, stats.getScheduledItemCount());
stats.decrementScheduled();
assertEquals("Wrong decremented value.", 2, stats.getScheduledItemCount());
stats.decrementScheduled();
assertEquals("Wrong decremented value.", 1, stats.getScheduledItemCount());
stats.decrementScheduled();
assertEquals("Wrong decremented value.", 0, stats.getScheduledItemCount());
stats.decrementScheduled();
assertEquals("Wrong decremented value.", 0, stats.getScheduledItemCount());
}
