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

        public void TestMembership()
        {
            IntervalSet s = IntervalSet.Of(15, 15);
            s.Add(50, 60);
            Assert.IsFalse(s.Contains(0));
            Assert.IsFalse(s.Contains(20));
            Assert.IsFalse(s.Contains(100));
            Assert.IsTrue(s.Contains(15));
            Assert.IsTrue(s.Contains(55));
            Assert.IsTrue(s.Contains(50));
            Assert.IsTrue(s.Contains(60));
        }