System.Net.Mail.Tests.SmtpClientTest.ServicePoint_ReflectsHostAndPortChange C# (CSharp) Method

        public void ServicePoint_ReflectsHostAndPortChange()
        {
            using (var smtp = new SmtpClient("localhost1", 25))
            {
                ServicePoint s1 = smtp.ServicePoint;

                smtp.Host = "localhost2";
                ServicePoint s2 = smtp.ServicePoint;
                smtp.Host = "localhost2";
                ServicePoint s3 = smtp.ServicePoint;

                Assert.NotSame(s1, s2);
                Assert.Same(s2, s3);

                smtp.Port = 26;
                ServicePoint s4 = smtp.ServicePoint;
                smtp.Port = 26;
                ServicePoint s5 = smtp.ServicePoint;

                Assert.NotSame(s3, s4);
                Assert.Same(s4, s5);
            }
        }