private void printPage(DateBasedDataProviderNavigator<TestChartBean> basedDataProviderNavigator) {
    Iterator<IModel<TestChartBean>> it = basedDataProviderNavigator.getCurrentPage().iterator();

    for (int i = 0; i < 10; i++) {
      assertTrue(it.hasNext());
      TestChartBean test = it.next().getObject();
      assertNotNull(test);
      System.out.println(test.getDate());
    }
    assertFalse(it.hasNext());
  }