@Override
    public String toString() {
        return rangeSet.toString();
    }
@Test
    public void testToString() {
        set = new RangeSetWrapper<>(consumer, reverseConvert, managedCursor);
        set.addOpenClosed(0, 97, 0, 99);
        assertEquals(set.toString(), "[(0:97..0:99]]");
        set.addOpenClosed(0, 98, 0, 105);
        assertEquals(set.toString(), "[(0:97..0:105]]");
        set.addOpenClosed(0, 5, 0, 75);
        assertEquals(set.toString(), "[(0:5..0:75],(0:97..0:105]]");
    }