private static JFreeChart createChart(CategoryDataset categorydataset) {
JFreeChart jfreechart =
ChartFactory.createLineChart(
"Statistical Line Chart Demo 1",
"Type",
"Value",
categorydataset,
PlotOrientation.VERTICAL,
true,
true,
false);
jfreechart.setBackgroundPaint(Color.white);
CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
categoryplot.setBackgroundPaint(Color.lightGray);
categoryplot.setRangeGridlinePaint(Color.white);
CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setUpperMargin(0.0D);
categoryaxis.setLowerMargin(0.0D);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setAutoRangeIncludesZero(true);
StatisticalLineAndShapeRenderer statisticallineandshaperenderer =
new StatisticalLineAndShapeRenderer(true, false);
statisticallineandshaperenderer.setUseSeriesOffset(true);
categoryplot.setRenderer(statisticallineandshaperenderer);
return jfreechart;
}
/** Two objects that are equal are required to return the same hashCode. */
@Test
public void testHashcode() {
StatisticalLineAndShapeRenderer r1 = new StatisticalLineAndShapeRenderer();
StatisticalLineAndShapeRenderer r2 = new StatisticalLineAndShapeRenderer();
assertTrue(r1.equals(r2));
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/** A simple test for bug report 1562759. */
@Test
public void test1562759() {
StatisticalLineAndShapeRenderer r = new StatisticalLineAndShapeRenderer(true, false);
assertTrue(r.getBaseLinesVisible());
assertFalse(r.getBaseShapesVisible());
r = new StatisticalLineAndShapeRenderer(false, true);
assertFalse(r.getBaseLinesVisible());
assertTrue(r.getBaseShapesVisible());
}
/** Some checks for the findRangeBounds() method. */
@Test
public void testFindRangeBounds() {
StatisticalLineAndShapeRenderer r = new StatisticalLineAndShapeRenderer();
assertNull(r.findRangeBounds(null));
// an empty dataset should return a null range
DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset();
assertNull(r.findRangeBounds(dataset));
dataset.add(1.0, 0.5, "R1", "C1");
assertEquals(new Range(0.5, 1.5), r.findRangeBounds(dataset));
dataset.add(-2.0, 0.2, "R1", "C2");
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
dataset.add(null, null, "R1", "C3");
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
dataset.add(5.0, 1.0, "R2", "C3");
assertEquals(new Range(-2.2, 6.0), r.findRangeBounds(dataset));
// check that the series visible flag is observed
r.setSeriesVisible(1, Boolean.FALSE);
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
}
/** Check that the equals() method distinguishes all fields. */
@Test
public void testEquals() {
StatisticalLineAndShapeRenderer r1 = new StatisticalLineAndShapeRenderer();
StatisticalLineAndShapeRenderer r2 = new StatisticalLineAndShapeRenderer();
assertTrue(r1.equals(r2));
assertTrue(r2.equals(r1));
r1.setErrorIndicatorPaint(Color.red);
assertFalse(r1.equals(r2));
r2.setErrorIndicatorPaint(Color.red);
assertTrue(r2.equals(r1));
}
/** Confirm that cloning works. */
@Test
public void testCloning() throws CloneNotSupportedException {
StatisticalLineAndShapeRenderer r1 = new StatisticalLineAndShapeRenderer();
StatisticalLineAndShapeRenderer r2 = (StatisticalLineAndShapeRenderer) r1.clone();
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}