assertEquals(
          GeneralRange.downTo(Ordering.natural(), 3, endpointType),
          GeneralRange.from(Range.downTo(3, endpointType)));
    }
  }

  public void testFromRangeTwoEnds() {
    for (BoundType lowerType : BoundType.values()) {
      for (BoundType upperType : BoundType.values()) {
        assertEquals(
            GeneralRange.range(Ordering.natural(), 3, lowerType, 4, upperType),