org.jfree.data.xy.YIntervalSeries Java Examples

/**
 * Some checks for the add() method for an UNSORTED series.
 */
public void testAdd() {
    YIntervalSeries series = new YIntervalSeries("Series", false, true);
    series.add(5.0, 5.50, 5.50, 5.50);
    series.add(5.1, 5.51, 5.51, 5.51);
    series.add(6.0, 6.6, 6.6, 6.6);
    series.add(3.0, 3.3, 3.3, 3.3);
    series.add(4.0, 4.4, 4.4, 4.4);
    series.add(2.0, 2.2, 2.2, 2.2);
    series.add(1.0, 1.1, 1.1, 1.1);
    assertEquals(5.5, series.getYValue(0), EPSILON);
    assertEquals(5.51, series.getYValue(1), EPSILON);
    assertEquals(6.6, series.getYValue(2), EPSILON);
    assertEquals(3.3, series.getYValue(3), EPSILON);
    assertEquals(4.4, series.getYValue(4), EPSILON);
    assertEquals(2.2, series.getYValue(5), EPSILON);
    assertEquals(1.1, series.getYValue(6), EPSILON);
}
 

/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
    YIntervalSeriesCollection c2 = new YIntervalSeriesCollection();
    assertEquals(c1, c2);
    
    // add a series
    YIntervalSeries s1 = new YIntervalSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3);
    c1.addSeries(s1);
    assertFalse(c1.equals(c2));
    YIntervalSeries s2 = new YIntervalSeries("Series");
    s2.add(1.0, 1.1, 1.2, 1.3);
    c2.addSeries(s2);
    assertTrue(c1.equals(c2));
    
    // add an empty series
    c1.addSeries(new YIntervalSeries("Empty Series"));
    assertFalse(c1.equals(c2));
    c2.addSeries(new YIntervalSeries("Empty Series"));
    assertTrue(c1.equals(c2));
}
 

/**
 * Some checks for the add() method for an UNSORTED series.
 */
public void testAdd() {
    YIntervalSeries series = new YIntervalSeries("Series", false, true);
    series.add(5.0, 5.50, 5.50, 5.50);
    series.add(5.1, 5.51, 5.51, 5.51);
    series.add(6.0, 6.6, 6.6, 6.6);
    series.add(3.0, 3.3, 3.3, 3.3);
    series.add(4.0, 4.4, 4.4, 4.4);
    series.add(2.0, 2.2, 2.2, 2.2);
    series.add(1.0, 1.1, 1.1, 1.1);
    assertEquals(5.5, series.getYValue(0), EPSILON);
    assertEquals(5.51, series.getYValue(1), EPSILON);
    assertEquals(6.6, series.getYValue(2), EPSILON);
    assertEquals(3.3, series.getYValue(3), EPSILON);
    assertEquals(4.4, series.getYValue(4), EPSILON);
    assertEquals(2.2, series.getYValue(5), EPSILON);
    assertEquals(1.1, series.getYValue(6), EPSILON);
}
 

/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
    YIntervalSeriesCollection c2 = new YIntervalSeriesCollection();
    assertEquals(c1, c2);

    // add a series
    YIntervalSeries s1 = new YIntervalSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3);
    c1.addSeries(s1);
    assertFalse(c1.equals(c2));
    YIntervalSeries s2 = new YIntervalSeries("Series");
    s2.add(1.0, 1.1, 1.2, 1.3);
    c2.addSeries(s2);
    assertTrue(c1.equals(c2));

    // add an empty series
    c1.addSeries(new YIntervalSeries("Empty Series"));
    assertFalse(c1.equals(c2));
    c2.addSeries(new YIntervalSeries("Empty Series"));
    assertTrue(c1.equals(c2));
}
 

/**
 * Simple test for the remove() method.
 */
public void testRemove() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1");
    s1.add(1.0, 1.0, 1.0, 2.0);
    s1.add(2.0, 2.0, 2.0, 2.0);
    s1.add(3.0, 3.0, 3.0, 3.0);
    assertEquals(3, s1.getItemCount());
    
    s1.remove(new Double(2.0));
    assertEquals(new Double(3.0), s1.getX(1));
    
    s1.remove(new Double(1.0));
    assertEquals(new Double(3.0), s1.getX(0));    
}
 

/**
 * When items are added with duplicate x-values, we expect them to remain
 * in the order they were added.
 */
public void testAdditionOfDuplicateXValues() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1");
    s1.add(1.0, 1.0, 1.0, 1.0);
    s1.add(2.0, 2.0, 2.0, 2.0);
    s1.add(2.0, 3.0, 3.0, 3.0);
    s1.add(2.0, 4.0, 4.0, 4.0);
    s1.add(3.0, 5.0, 5.0, 5.0);
    assertEquals(1.0, s1.getYValue(0), EPSILON);
    assertEquals(2.0, s1.getYValue(1), EPSILON);
    assertEquals(3.0, s1.getYValue(2), EPSILON);
    assertEquals(4.0, s1.getYValue(3), EPSILON);
    assertEquals(5.0, s1.getYValue(4), EPSILON);
}
 

/**
 * A simple check that the maximumItemCount attribute is working.
 */
public void testSetMaximumItemCount() {
    YIntervalSeries s1 = new YIntervalSeries("S1");
    assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
    s1.setMaximumItemCount(2);
    assertEquals(2, s1.getMaximumItemCount());
    s1.add(1.0, 1.1, 1.1, 1.1);
    s1.add(2.0, 2.2, 2.2, 2.2);
    s1.add(3.0, 3.3, 3.3, 3.3);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
 

/**
 * Check that the maximum item count can be applied retrospectively.
 */
public void testSetMaximumItemCount2() {
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.1, 1.1);
    s1.add(2.0, 2.2, 2.2, 2.2);
    s1.add(3.0, 3.3, 3.3, 3.3);
    s1.setMaximumItemCount(2);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
 

/**
 * Some checks for the clear() method.
 */
public void testClear() {
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.addChangeListener(this);
    s1.clear();
    assertNull(this.lastEvent);
    assertTrue(s1.isEmpty());
    s1.add(1.0, 2.0, 3.0, 4.0);
    assertFalse(s1.isEmpty());
    s1.clear();
    assertNotNull(this.lastEvent);
    assertTrue(s1.isEmpty());
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);
    
    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * Simple test for the indexOf() method.
 */
public void testIndexOf() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1");
    s1.add(1.0, 1.0, 1.0, 2.0);
    s1.add(2.0, 2.0, 2.0, 3.0);
    s1.add(3.0, 3.0, 3.0, 4.0);
    assertEquals(0, s1.indexOf(new Double(1.0)));
}
 

/**
 * A check for the indexOf() method for an unsorted series.
 */
public void testIndexOf2() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1", false, true);
    s1.add(1.0, 1.0, 1.0, 2.0);
    s1.add(3.0, 3.0, 3.0, 3.0);
    s1.add(2.0, 2.0, 2.0, 2.0);
    assertEquals(0, s1.indexOf(new Double(1.0)));        
    assertEquals(1, s1.indexOf(new Double(3.0)));        
    assertEquals(2, s1.indexOf(new Double(2.0)));        
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
@Test
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * When items are added with duplicate x-values, we expect them to remain 
 * in the order they were added.
 */
public void testAdditionOfDuplicateXValues() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1");
    s1.add(1.0, 1.0, 1.0, 1.0);
    s1.add(2.0, 2.0, 2.0, 2.0);
    s1.add(2.0, 3.0, 3.0, 3.0);
    s1.add(2.0, 4.0, 4.0, 4.0);
    s1.add(3.0, 5.0, 5.0, 5.0);
    assertEquals(1.0, s1.getYValue(0), EPSILON);
    assertEquals(2.0, s1.getYValue(1), EPSILON);
    assertEquals(3.0, s1.getYValue(2), EPSILON);
    assertEquals(4.0, s1.getYValue(3), EPSILON);
    assertEquals(5.0, s1.getYValue(4), EPSILON);
}
 

/**
 * A simple check that the maximumItemCount attribute is working.
 */
public void testSetMaximumItemCount() {
    YIntervalSeries s1 = new YIntervalSeries("S1");
    assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
    s1.setMaximumItemCount(2);
    assertEquals(2, s1.getMaximumItemCount());
    s1.add(1.0, 1.1, 1.1, 1.1);
    s1.add(2.0, 2.2, 2.2, 2.2);
    s1.add(3.0, 3.3, 3.3, 3.3);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
 

/**
 * Check that the maximum item count can be applied retrospectively.
 */
public void testSetMaximumItemCount2() {
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.1, 1.1);
    s1.add(2.0, 2.2, 2.2, 2.2);
    s1.add(3.0, 3.3, 3.3, 3.3);
    s1.setMaximumItemCount(2);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
 

/**
 * Some checks for the clear() method.
 */
public void testClear() {
	YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.addChangeListener(this);
    s1.clear();
    assertNull(this.lastEvent);
    assertTrue(s1.isEmpty());
    s1.add(1.0, 2.0, 3.0, 4.0);
    assertFalse(s1.isEmpty());
    s1.clear();
    assertNotNull(this.lastEvent);
    assertTrue(s1.isEmpty());
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
@Test
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
@Test
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * A check for the indexOf() method for an unsorted series.
 */
public void testIndexOf2() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1", false, true);
    s1.add(1.0, 1.0, 1.0, 2.0);
    s1.add(3.0, 3.0, 3.0, 3.0);
    s1.add(2.0, 2.0, 2.0, 2.0);
    assertEquals(0, s1.indexOf(new Double(1.0)));
    assertEquals(1, s1.indexOf(new Double(3.0)));
    assertEquals(2, s1.indexOf(new Double(2.0)));
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
@Test
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
@Test
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
@Test
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
@Test
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
@Test
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
@Test
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
@Test
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * A check for the datasetIndex and seriesIndex fields in the LegendItem
 * returned by the getLegendItem() method.
 */
public void testGetLegendItemSeriesIndex() {
    YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("S1");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s2 = new YIntervalSeries("S2");
    s2.add(1.0, 1.1, 1.2, 1.3);
    d1.addSeries(s1);
    d1.addSeries(s2);

    YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
    YIntervalSeries s3 = new YIntervalSeries("S3");
    s3.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s4 = new YIntervalSeries("S4");
    s4.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeries s5 = new YIntervalSeries("S5");
    s5.add(1.0, 1.1, 1.2, 1.3);
    d2.addSeries(s3);
    d2.addSeries(s4);
    d2.addSeries(s5);

    YIntervalRenderer r = new YIntervalRenderer();
    XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
            new NumberAxis("y"), r);
    plot.setDataset(1, d2);
    /*JFreeChart chart =*/ new JFreeChart(plot);
    LegendItem li = r.getLegendItem(1, 2);
    assertEquals("S5", li.getLabel());
    assertEquals(1, li.getDatasetIndex());
    assertEquals(2, li.getSeriesIndex());
}
 

/**
 * Some checks for the range bounds of a dataset that implements the
 * {@link IntervalXYDataset} interface.
 */
public void testIterateRangeBounds4() {
    YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
    Range r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);
    YIntervalSeries s1 = new YIntervalSeries("S1");
    dataset.addSeries(s1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertNull(r);

    // try a single item
    s1.add(1.0, 2.0, 1.5, 2.5);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.5, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another item
    s1.add(2.0, 2.0, 1.4, 2.1);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // another empty series
    YIntervalSeries s2 = new YIntervalSeries("S2");
    dataset.addSeries(s2);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.5, r.getUpperBound(), EPSILON);

    // an item in series 2
    s2.add(1.0, 2.0, 1.9, 2.6);
    r = DatasetUtilities.iterateRangeBounds(dataset);
    assertEquals(1.4, r.getLowerBound(), EPSILON);
    assertEquals(2.6, r.getUpperBound(), EPSILON);
}
 

/**
 * Simple test for the indexOf() method.
 */
public void testIndexOf() {
    YIntervalSeries s1 = new YIntervalSeries("Series 1");
    s1.add(1.0, 1.0, 1.0, 2.0);
    s1.add(2.0, 2.0, 2.0, 3.0);
    s1.add(3.0, 3.0, 3.0, 4.0);
    assertEquals(0, s1.indexOf(new Double(1.0)));
}