XYSeriesCollection dataset = new XYSeriesCollection();
XYSeries series = new XYSeries("S1");
series.add(1.0, null);
dataset.addSeries(series);
Range r = renderer.findDomainBounds(dataset);
assertEquals(0.5, r.getLowerBound(), EPSILON);
assertEquals(1.5, r.getUpperBound(), EPSILON);
dataset.removeAllSeries();
r = renderer.findDomainBounds(dataset);