*/
      C afterLower = requireNonNull(range.lowerBound.leastValueAbove(domain));
      C beforeUpper = requireNonNull(range.upperBound.greatestValueBelow(domain));
      // Per class spec, we are allowed to throw CCE if necessary
      empty = Range.compareOrThrow(afterLower, beforeUpper) > 0;
    }

    return empty
        ? new EmptyContiguousSet<C>(domain)
        : new RegularContiguousSet<C>(effectiveRange, domain);
  }

    new EqualsTester()
        .addEqualityGroup(new SetContainsThrows())
        .addEqualityGroup(intersection(singleton(null), singleton(null))) // NPE
        .addEqualityGroup(intersection(singleton(0), singleton(0))) // CCE
        .testEquals();
  }

  /** Returns a {@link Set} with a {@link Set#size()} of {@code size}. */
  private static ContiguousSet<Integer> setSize(int size) {
    checkArgument(size >= 0);

        int entryCount = entry.getCount();
        if (entryCount != 0) {
          // Safe as long as we never add a new entry, which we won't.
          // (Presumably it can still throw CCE/NPE but only if the underlying Multiset does.)
          @SuppressWarnings({"unchecked", "nullness"})
          Multiset<@Nullable Object> multiset = (Multiset<@Nullable Object>) multiset();

        int entryCount = entry.getCount();
        if (entryCount != 0) {
          // Safe as long as we never add a new entry, which we won't.
          // (Presumably it can still throw CCE/NPE but only if the underlying Multiset does.)
          @SuppressWarnings({"unchecked", "nullness"})
          Multiset<@Nullable Object> multiset = (Multiset<@Nullable Object>) multiset();

    assertEquals("Ordering.explicit([0])", c.toString());
  }

  public void testExplicitMax_b297601553() {
    Ordering<Integer> c = Ordering.explicit(1, 2, 3);

    // TODO(b/297601553): this should probably throw CCE since 0 isn't explicitly listed
    assertEquals(0, (int) c.max(asList(0)));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.max(asList(0, 1)));

  }

  public void testExplicitMax_b297601553() {
    Ordering<Integer> c = Ordering.explicit(1, 2, 3);

    // TODO(b/297601553): this should probably throw an CCE since 0 isn't explicitly listed
    assertEquals(0, (int) c.max(asList(0)));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.max(asList(0, 1)));