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

        public void TestSize()
        {
            IntervalSet s = IntervalSet.Of(20, 30);
            s.Add(50, 55);
            s.Add(5, 19);
            String expecting = "32";
            String result = s.Count.ToString();
            Assert.AreEqual(expecting, result);
        }