series.add(new Year(2005), 2.0);
assertEquals(2, series.getItemCount());
this.gotSeriesChangeEvent = false;
assertEquals(2, series.getItemCount());
series.removeAgedItems(new Year(2005).getMiddleMillisecond(), true);
assertEquals(2, series.getItemCount());
assertFalse(this.gotSeriesChangeEvent);
series.removeAgedItems(y2006, true);
assertEquals(1, series.getItemCount());
assertTrue(this.gotSeriesChangeEvent);