/**
* Some checks for the getDomainBounds() method.
*/
public void testGetDomainBounds() {
XYSeriesCollection dataset = new XYSeriesCollection();
Range r = dataset.getDomainBounds(false);
assertNull(r);
r = dataset.getDomainBounds(true);
assertNull(r);
XYSeries series = new XYSeries("S1");
dataset.addSeries(series);
r = dataset.getDomainBounds(false);
assertNull(r);
r = dataset.getDomainBounds(true);
assertNull(r);
series.add(1.0, 1.1);
r = dataset.getDomainBounds(false);
assertEquals(new Range(1.0, 1.0), r);
r = dataset.getDomainBounds(true);
assertEquals(new Range(0.5, 1.5), r);
series.add(-1.0, -1.1);
r = dataset.getDomainBounds(false);
assertEquals(new Range(-1.0, 1.0), r);
r = dataset.getDomainBounds(true);
assertEquals(new Range(-1.5, 1.5), r);
}