assertThrows(
            IllegalArgumentException.class,
            () -> GeneralRange.range(ORDERING, 4, lboundType, 2, uboundType));
      }
    }
  }

  public void testCreateEmptyRangeOpenOpenFails() {
    for (Integer i : IN_ORDER_VALUES) {
      assertThrows(
          IllegalArgumentException.class,
          () -> GeneralRange.<@Nullable Integer>range(ORDERING, i, OPEN, i, OPEN));
    }
  }