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

        public void TestIntersectionWithTwoContainedElementsReversed()
        {
            IntervalSet s = IntervalSet.Of(10, 20);
            IntervalSet s2 = IntervalSet.Of(2, 2);
            s2.Add(15);
            s2.Add(18);
            String expecting = "{15, 18}";
            String result = (s2.And(s)).ToString();
            Assert.AreEqual(expecting, result);
        }