Tests for my URI ctor patch for System.Net.FtpClient

FtpClientTests.cs

using System;
using System.Net.FtpClient;
using NUnit.Framework;

namespace System.Net.FtpClient.Tests
{
    public class FtpClientTests
    {
        [TestFixture]
        public class when_constructing
        {
            [Test]
            public void It_should_set_the_port_to_21_when_no_port_is_specified()
            {
                var uri = new Uri("ftp://@testhost");
                Assert.AreEqual(21, new FtpClient(uri).Port);
            }

            [Test]
            public void It_should_set_the_server()
            {
                var uri = new Uri("ftp://testuser:testpass@testhost");
                Assert.AreEqual("testhost", new FtpClient(uri).Server);
            }

            [Test]
            public void It_should_set_the_port()
            {
                var uri = new Uri("ftp://testhost:999");
                Assert.AreEqual(999, new FtpClient(uri).Port);
            }

            [Test]
            public void It_should_set_the_username()
            {
                var uri = new Uri("ftp://testuser:testpass@testhost");
                Assert.AreEqual("testuser", new FtpClient(uri).Username);
            }

            [Test]
            public void It_should_set_the_password()
            {
                var uri = new Uri("ftp://testuser:testpass@testhost");
                Assert.AreEqual("testpass", new FtpClient(uri).Password);
            }

            [Test]
            public void It_should_set_the_ftp_mode_if_the_scheme_is_ftps()
            {
                var uri = new Uri("FTPS://testhost");
                Assert.AreEqual(FtpSslMode.Explicit, new FtpClient(uri).SslMode);
            }

            [Test]
            public void It_should_not_use_ssl_when_the_scheme_is_ftp()
            {
                var uri = new Uri("ftp://testhost");
                Assert.AreEqual(FtpSslMode.None, new FtpClient(uri).SslMode);
            }

            [Test]
            public void It_should_throw_an_exception_when_the_scheme_is_not_ftp_or_ftps()
            {
                var uri = new Uri("http://testhost");
                Assert.Throws<ArgumentException>(() => new FtpClient(uri));
            }
        }
    }
}