BarRenderer r = new BarRenderer();
assertEquals(Color.WHITE, r.getDefaultFillPaint());
// first check that autoPopulate==false works as expected
r.setAutoPopulateSeriesFillPaint(false);
assertEquals(Color.WHITE, r.lookupSeriesFillPaint(0));
assertNull(r.getSeriesFillPaint(0));
// now check autoPopulate==true
r.setAutoPopulateSeriesFillPaint(true);
/*CategoryPlot plot =*/ new CategoryPlot(null, new CategoryAxis(