public void testDrawWithNullMean() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(null, new Double(2.0),
new Double(0.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),