public void Receive_one_message()
        {
            var slice1 = new BufferSlice(new byte[65535], 0, 65535);
            var encoder1 = new StringEncoder();
            var decoder1 = new StringDecoder();
            var expected = "Hello".PadRight(5000);
            var outBuffer = new byte[expected.Length + 4];
            BitConverter2.GetBytes(expected.Length, outBuffer, 0);
            Encoding.UTF8.GetBytes(expected, 0, expected.Length, outBuffer, 4);
            object actual = null;
            var evt = new ManualResetEvent(false);
            var stream = new SslStream(new NetworkStream(_helper.Server));
            stream.BeginAuthenticateAsServer(_certificate, OnAuthenticated, stream);

            var sut1 = CreateClientChannel(slice1, encoder1, decoder1);
            sut1.MessageReceived = (channel, message) =>
            {
                actual = message;
                evt.Set();
            };
            sut1.Assign(_helper.Client);
            stream.Write(outBuffer);

            evt.WaitOne(500).Should().BeTrue();
            actual.Should().Be(expected);
        }
        public void send_message()
        {
            var slice = new BufferSlice(new byte[65535], 0, 65535);
            var encoder = new StringEncoder();
            var decoder = new StringDecoder();
            object expected = null;

            var sut = CreateClientChannel(slice, encoder, decoder);
            sut.MessageReceived += (channel, message) => expected = message;
            var stream = new SslStream(new NetworkStream(_helper.Server));
            stream.BeginAuthenticateAsServer(_certificate, OnAuthenticated, stream);
            sut.Assign(_helper.Client);
            sut.Send("Hello world");

            var buf = new byte[65535];
            var tmp = stream.Read(buf, 0, 65535);
            var actual = Encoding.ASCII.GetString(buf, 4, tmp-4); // string encoder have a length header.
            actual.Should().Be("Hello world");
        }
        public void send_close_message()
        {
            var slice = new BufferSlice(new byte[65535], 0, 65535);
            var encoder = new StringEncoder();
            var decoder = new StringDecoder();

            var sut = CreateClientChannel(slice, encoder, decoder);
            sut.MessageReceived += (channel, message) => { };
            var stream = new SslStream(new NetworkStream(_helper.Server));
            stream.BeginAuthenticateAsServer(_certificate, OnAuthenticated, stream);
            sut.Assign(_helper.Client);

            Assert.True(sut.IsConnected);

            sut.Close();

            Assert.False(sut.IsConnected);
        }