assertTrue(rangeSet.intersects(Range.greaterThan(2)));
    assertFalse(rangeSet.intersects(Range.greaterThan(7)));

    assertTrue(rangeSet.encloses(Range.closed(3, 4)));
    assertTrue(rangeSet.encloses(Range.closedOpen(1, 4)));
    assertTrue(rangeSet.encloses(Range.closedOpen(1, 5)));
    assertFalse(rangeSet.encloses(Range.greaterThan(2)));

    assertTrue(rangeSet.contains(3));

    Cut<Integer> a = Range.lessThan(0).lowerBound;
    Cut<Integer> b = Range.atLeast(0).lowerBound;
    Cut<Integer> c = Range.greaterThan(0).lowerBound;
    Cut<Integer> d = Range.atLeast(1).lowerBound;
    Cut<Integer> e = Range.greaterThan(1).lowerBound;
    Cut<Integer> f = Range.greaterThan(1).upperBound;

    testCompareToAndEquals(ImmutableList.of(a, b, c, d, e, f));
  }

  @SuppressWarnings("DistinctVarargsChecker")

    Cut<Integer> a = Range.lessThan(0).lowerBound;
    Cut<Integer> b = Range.atLeast(0).lowerBound;
    Cut<Integer> c = Range.greaterThan(0).lowerBound;
    Cut<Integer> d = Range.atLeast(1).lowerBound;
    Cut<Integer> e = Range.greaterThan(1).lowerBound;
    Cut<Integer> f = Range.greaterThan(1).upperBound;

    testCompareToAndEquals(ImmutableList.of(a, b, c, d, e, f));
  }

  @SuppressWarnings("DistinctVarargsChecker")

    assertThrows(
        IllegalArgumentException.class,
        () -> ContiguousSet.create(range, UNBOUNDED_THROWING_DOMAIN));
  }

  public void testCreate_noMax() {
    Range<Integer> range = Range.greaterThan(0);
    assertThrows(
        IllegalArgumentException.class,
        () -> ContiguousSet.create(range, UNBOUNDED_THROWING_DOMAIN));
  }

  public void testCreate_empty() {

    assertThrows(
        IllegalArgumentException.class,
        () -> ContiguousSet.create(range, UNBOUNDED_THROWING_DOMAIN));
  }

  public void testCreate_noMax() {
    Range<Integer> range = Range.greaterThan(0);
    assertThrows(
        IllegalArgumentException.class,
        () -> ContiguousSet.create(range, UNBOUNDED_THROWING_DOMAIN));
  }

  public void testCreate_empty() {

    assertEquals(set, Sets.subSet(set, Range.greaterThan(0)));
    assertEquals(ImmutableSortedSet.of(6, 8, 10), Sets.subSet(set, Range.greaterThan(4)));
    assertEquals(ImmutableSortedSet.of(8, 10), Sets.subSet(set, Range.greaterThan(7)));
    assertEquals(empty, Sets.subSet(set, Range.greaterThan(20)));

    assertEquals(empty, Sets.subSet(set, Range.lessThan(0)));

   * ranges {@code [3..3)} and {@code [4..4)}.
   *
   * <p><b>Warning:</b> Be extremely careful what you do with the {@code asSet} view of a large
   * range set (such as {@code ImmutableRangeSet.of(Range.greaterThan(0))}). Certain operations on
   * such a set can be performed efficiently, but others (such as {@link Set#hashCode} or {@link
   * Collections#frequency}) can cause major performance problems.
   *