/** Some checks for the getDataItem(int) method. */ @Test public void testGetDataItem1() { TimeSeries series = new TimeSeries("S", Year.class); // can't get anything yet...just an exception boolean pass = false; try { /*TimeSeriesDataItem item =*/ series.getDataItem(0); } catch (IndexOutOfBoundsException e) { pass = true; } assertTrue(pass); series.add(new Year(2006), 100.0); TimeSeriesDataItem item = series.getDataItem(0); assertEquals(new Year(2006), item.getPeriod()); pass = false; try { /*item = */ series.getDataItem(-1); } catch (IndexOutOfBoundsException e) { pass = true; } assertTrue(pass); pass = false; try { /*item = */ series.getDataItem(1); } catch (IndexOutOfBoundsException e) { pass = true; } assertTrue(pass); }
/** * Create a TimeSeriesDataItem, add it to a TimeSeries. Now, modifying the original * TimeSeriesDataItem should NOT affect the TimeSeries. */ @Test public void testAdd_TimeSeriesDataItem() { TimeSeriesDataItem item = new TimeSeriesDataItem(new Year(2009), 1.0); TimeSeries series = new TimeSeries("S1"); series.add(item); assertTrue(item.equals(series.getDataItem(0))); item.setValue(new Double(99.9)); assertFalse(item.equals(series.getDataItem(0))); }
/** Some checks for the getDataItem(RegularTimePeriod) method. */ @Test public void testGetDataItem2() { TimeSeries series = new TimeSeries("S", Year.class); assertNull(series.getDataItem(new Year(2006))); // try a null argument boolean pass = false; try { /* TimeSeriesDataItem item = */ series.getDataItem(null); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); }
/** * Test the setMaximumItemCount() method to ensure that it removes items from the series if * necessary. */ @Test public void testSetMaximumItemCount() { TimeSeries s1 = new TimeSeries("S1", Year.class); s1.add(new Year(2000), 13.75); s1.add(new Year(2001), 11.90); s1.add(new Year(2002), null); s1.add(new Year(2005), 19.32); s1.add(new Year(2007), 16.89); assertTrue(s1.getItemCount() == 5); s1.setMaximumItemCount(3); assertTrue(s1.getItemCount() == 3); TimeSeriesDataItem item = s1.getDataItem(0); assertTrue(item.getPeriod().equals(new Year(2002))); assertEquals(16.89, s1.getMinY(), EPSILON); assertEquals(19.32, s1.getMaxY(), EPSILON); }