testViewAgainstExpected(
              expectedSubRangeSet(rangeSet, subRange), rangeSet.subRangeSet(subRange));
        }
      }
    }
  }

  public void testSubRangeSetAdd() {
    TreeRangeSet<Integer> set = TreeRangeSet.create();
    Range<Integer> range = Range.closedOpen(0, 5);
    set.subRangeSet(range).add(range);
  }

  public void testSubRangeSetReplaceAdd() {