}

  @Override
  public void clear() {
    remove(Range.<C>all());
  }

  @Override
  public boolean enclosesAll(RangeSet<C> other) {
    return enclosesAll(other.asRanges());
  }

  @Override
  public boolean enclosesAll(Iterable<Range<C>> ranges) {
    for (Range<C> range : ranges) {
      if (!encloses(range)) {
        return false;
      }
    }
    return true;

    throw new UnsupportedOperationException();
  }

  @Override
  public void clear() {
    remove(Range.<C>all());
  }

  @Override
  public boolean enclosesAll(RangeSet<C> other) {
    return enclosesAll(other.asRanges());
  }

  @Override
  public void addAll(RangeSet<C> other) {
    addAll(other.asRanges());
  }

  @Override
  public void removeAll(RangeSet<C> other) {

   * other} is empty.
   *
   * <p>This is equivalent to checking if this range set {@link #encloses} each of the ranges in
   * {@code other}.
   */
  boolean enclosesAll(RangeSet<C> other);

  /**
   * Returns {@code true} if for each range in {@code other} there exists a member range in this
   * range set which {@linkplain Range#encloses encloses} it. Returns {@code true} if {@code other}

    assertFalse(rangeSet.contains(0));
    assertFalse(rangeSet.intersects(Range.singleton(0)));
    assertFalse(rangeSet.encloses(Range.singleton(0)));
    assertTrue(rangeSet.enclosesAll(rangeSet));
    assertTrue(rangeSet.isEmpty());
  }

  public void testAll() {
    ImmutableRangeSet<Integer> rangeSet = ImmutableRangeSet.all();

          expectEnclose,
          rangeSet.encloses(query));
      assertEquals(
          rangeSet + " was incorrect on enclosesAll([" + query + "])",
          expectEnclose,
          rangeSet.enclosesAll(ImmutableList.of(query)));
    }
  }

  public void testAllSingleRangesComplementAgainstRemove() {
    for (Range<Integer> range : QUERY_RANGES) {

          expectEnclose,
          rangeSet.encloses(query));
      assertEquals(
          rangeSet + " was incorrect on enclosesAll([" + query + "])",
          expectEnclose,
          rangeSet.enclosesAll(ImmutableList.of(query)));
    }
  }

  public void testAllSingleRangesComplementAgainstRemove() {
    for (Range<Integer> range : QUERY_RANGES) {

    assertFalse(rangeSet.contains(0));
    assertFalse(rangeSet.intersects(Range.singleton(0)));
    assertFalse(rangeSet.encloses(Range.singleton(0)));
    assertTrue(rangeSet.enclosesAll(rangeSet));
    assertTrue(rangeSet.isEmpty());
  }

  public void testAll() {
    ImmutableRangeSet<Integer> rangeSet = ImmutableRangeSet.all();

  public void testEncloseAll() {
    assertEquals(Range.closed(0, 0), Range.encloseAll(Arrays.asList(0)));
    assertEquals(Range.closed(-3, 5), Range.encloseAll(Arrays.asList(5, -3)));
    assertEquals(Range.closed(-3, 5), Range.encloseAll(Arrays.asList(1, 2, 2, 2, 5, -3, 0, -1)));
  }

  public void testEncloseAll_empty() {
    try {
      Range.encloseAll(ImmutableSet.<Integer>of());
      fail();

  public void testEncloseAll() {
    assertEquals(Range.closed(0, 0), Range.encloseAll(Arrays.asList(0)));
    assertEquals(Range.closed(-3, 5), Range.encloseAll(Arrays.asList(5, -3)));
    assertEquals(Range.closed(-3, 5), Range.encloseAll(Arrays.asList(1, 2, 2, 2, 5, -3, 0, -1)));
  }

  public void testEncloseAll_empty() {
    try {
      Range.encloseAll(ImmutableSet.<Integer>of());
      fail();

      for (int i = 0; i < elements.size() - 1; i++) {
        assertEquals(elements.get(i) + 1, (int) elements.get(i + 1));
      }
      Range<Integer> range =
          elements.isEmpty() ? Range.closedOpen(0, 0) : Range.encloseAll(elements);
      return ContiguousSet.create(range, DiscreteDomain.integers());
    }
  }