@Test public void testSingleElementRange(){
  final int start=1;
  final int max=1;
  final int step=-1;
  final List seq=new ArrayList();
  final IntegerSequence.Range r=IntegerSequence.range(start,max,step);
  for (  Integer i : r) {
    seq.add(i);
  }
  Assert.assertEquals(1,seq.size());
  Assert.assertEquals(seq.size(),r.size());
  Assert.assertEquals(start,seq.get(0).intValue());
}