@Test
  public void testConvertStringToTimestamp() throws Exception {
    final Date today = new Date();
    final Calendar todayCalendar = new GregorianCalendar();
    todayCalendar.setTime(today);
    final String datePart = DateUtil.convertDateToString(today);

    final Timestamp time = (Timestamp) converter.convert(Timestamp.class, datePart + " 01:02:03.4");
    final Calendar cal = new GregorianCalendar();
    cal.setTimeInMillis(time.getTime());
    assertEquals(todayCalendar.get(Calendar.YEAR), cal.get(Calendar.YEAR));
    assertEquals(todayCalendar.get(Calendar.MONTH), cal.get(Calendar.MONTH));
    assertEquals(todayCalendar.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH));
  }
  @Test
  public void testConvertStringToDate() throws Exception {
    final Date today = new Date();
    final Calendar todayCalendar = new GregorianCalendar();
    todayCalendar.setTime(today);
    final String datePart = DateUtil.convertDateToString(today);
    // test empty time
    Date date = (Date) converter.convert(Date.class, "");
    assertNull(date);
    date = (Date) converter.convert(Date.class, datePart);

    final Calendar cal = new GregorianCalendar();
    cal.setTime(date);
    assertEquals(todayCalendar.get(Calendar.YEAR), cal.get(Calendar.YEAR));
    assertEquals(todayCalendar.get(Calendar.MONTH), cal.get(Calendar.MONTH));
    assertEquals(todayCalendar.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH));
  }
 @Test
 public void testConvertDateToString() throws Exception {
   final Calendar cal = new GregorianCalendar(2005, 0, 16);
   final String date = (String) converter.convert(String.class, cal.getTime());
   assertEquals(DateUtil.convertDateToString(cal.getTime()), date);
 }