assertTrue(rangeSet.encloses(Range.<Integer>all()));
    assertTrue(rangeSet.enclosesAll(rangeSet));
    assertEquals(ImmutableRangeSet.<Integer>of(), rangeSet.complement());
  }

  public void testSingleBoundedRange() {
    ImmutableRangeSet<Integer> rangeSet = ImmutableRangeSet.of(Range.closedOpen(1, 5));

    assertThat(rangeSet.asRanges()).contains(Range.closedOpen(1, 5));