*/
public void testURL() {
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("Alpha '1'", new Double(5.0));
dataset.setValue("Beta", new Double(5.5));
StandardPieURLGenerator g1 = new StandardPieURLGenerator(
"chart.jsp", "category");
String url = g1.generateURL(dataset, "Beta", 0);
assertEquals("chart.jsp?category=Beta&pieIndex=0", url);
url = g1.generateURL(dataset, "Alpha '1'", 0);
assertEquals("chart.jsp?category=Alpha+%271%27&pieIndex=0", url);
}