public void testAccessMethods() throws Exception {
    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet();
    XSSFDrawing drawing = sheet.createDrawingPatriarch();
    XSSFClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 1, 1, 10, 30);
    XSSFChart chart = drawing.createChart(anchor);
    XSSFCategoryAxis axis = chart.getChartAxisFactory().createCategoryAxis(AxisPosition.BOTTOM);

    axis.setCrosses(AxisCrosses.AUTO_ZERO);
    assertEquals(axis.getCrosses(), AxisCrosses.AUTO_ZERO);

    assertEquals(chart.getAxis().size(), 1);
  }