assertFalse(r1.equals(r2));
r2.setLegendBar(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
assertTrue(r1.equals(r2));
// positiveItemLabelFallbackPosition
r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
assertFalse(r1.equals(r2));
r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
assertTrue(r1.equals(r2));
// negativeItemLabelFallbackPosition
r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
assertFalse(r1.equals(r2));
r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
assertTrue(r1.equals(r2));
// barPainter
r1.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33));
assertFalse(r1.equals(r2));