testRangeList(new IntRanges("2-5,-5--3,-8,0"), r(2, 5), r(-5, -3)); assertEquals("", new IntRanges(null).toString()); assertEquals("1", new IntRanges("1").toString()); assertEquals("-10--5", new IntRanges("-5--10").toString()); assertEquals("2-5,-5--3,-8,0", new IntRanges("2-5,-5--3,-8,0").toString());