ValueDistributionResultSwingRendererGroupDelegate r = new ValueDistributionResultSwingRendererGroupDelegate("foo",
13, 100);
r.renderGroupResult(new ValueDistributionGroupResult(column.getName(), topValueCount, null, 0, 10, 0, 0));
Map<String, PieSliceGroup> groups = r.getGroups();
DefaultPieDataset dataset = r.getDataset();
assertEquals(10, dataset.getItemCount());
assertEquals(9, groups.size());
assertEquals(10, dataset.getValue("<unique>").intValue());
assertTrue(groups.containsKey("<count=2>"));
assertTrue(groups.containsKey("<count=3>"));
assertTrue(groups.containsKey("<count=4>"));
assertTrue(groups.containsKey("<count=5>"));