assertEquals(ImmutableMap.of(Range.closedOpen(0, 2), 1), subRangeMap.asMapOfRanges());
    assertEquals(ImmutableMap.of(Range.closedOpen(0, 2), 1), rangeMap.asMapOfRanges());
  }

  public void testPutCoalescingComplex() {
    // {[0..1): 1, [1..3): 1, [3..5): 1, [7..10): 2, [12..15): 2, [18..19): 3}
    RangeMap<Integer, Integer> rangeMap = TreeRangeMap.create();
    rangeMap.put(Range.closedOpen(0, 1), 1);