Antlr4.Runtime.Test.TestIntervalSet.TestNotRIntersectionNotT C# (CSharp) Method

        public void TestNotRIntersectionNotT()
        {
            IntervalSet s = IntervalSet.Of(0, 's');
            s.Add('u', 200);
            IntervalSet s2 = IntervalSet.Of(0, 'q');
            s2.Add('s', 200);
            String expecting = "{0..113, 115, 117..200}";
            String result = (s.And(s2)).ToString();
            Assert.AreEqual(expecting, result);
        }