@Test
public void testDestinationParam() {

  final DestinationParam p = new DestinationParam(DestinationParam.DEFAULT);
  Assert.assertEquals(null, p.getValue());
  new DestinationParam("/abc");
  try {
    new DestinationParam("abc");
    Assert.fail();
  } catch(IllegalArgumentException e) {
    LOG.info("EXPECTED: " + e);
  }
}