public void testCloning1() {
        AbstractCategoryItemRenderer r1 = new BarRenderer();
        r1.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        AbstractCategoryItemRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        r1 = new BarRenderer();
        r1.setSeriesItemLabelGenerator(0, 
                new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        r1 = new BarRenderer();
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));