TrackingCartesianChartModel extends LineChartModel { public Date getMaxDate() { return maxDate; }  Date getMinDate(); long getMin(); long getMax(); Date getMaxDate(); void addDate(Date d);  }
@Test public void testGetMaxDate_1() throws Exception { TrackingCartesianChartModel fixture = new TrackingCartesianChartModel(); fixture.addSeries(new ChartSeries()); Date result = fixture.getMaxDate(); }