assertEquals(rangeMap.asMapOfRanges(), copy.asMapOfRanges());
  }

  public void testCopyOfImmutableRangeMap() {
    ImmutableRangeMap<Integer, Integer> rangeMap =
        ImmutableRangeMap.<Integer, Integer>builder()
            .put(Range.open(3, 7), 1)
            .put(Range.closed(9, 10), 2)
            .put(Range.closed(12, 16), 3)
            .build();