protected override void EstablishContext()
        {
            controlDevice = A.Fake <ISpiControlDevice>();
            controlDevice
            .CallsTo(device => device.Control(A <uint> .Ignored, A <SpiTransferControlStructure[]> .Ignored))
            .Returns(IOCTL_PINVOKE_RESULT_CODE);

            connection = new NativeSpiConnection(controlDevice);

            // SPI control structure we expect to see during the P/Invoke call
            controlStructure = new SpiTransferControlStructure {
                BitsPerWord      = BITS_PER_WORD,
                Length           = 5,
                Delay            = DELAY,
                ChipSelectChange = 1,
                Speed            = SPEED_IN_HZ
            };

            buffer = A.Fake <ISpiTransferBuffer>();
            buffer
            .CallsTo(b => b.ControlStructure)
            .Returns(controlStructure);

            // setup fake collection to return our "prepared" fake buffer
            collection = A.Fake <ISpiTransferBufferCollection>();
            collection
            .CallsTo(c => c.Length)
            .Returns(1);
            collection
            .CallsTo(c => c.GetEnumerator())
            .ReturnsLazily(call => new List <ISpiTransferBuffer> {
                buffer
            }.GetEnumerator());
        }
        protected override void EstablishContext()
        {
            // SPI control structure we expect to see during the P/Invoke call
            controlStructure = new SpiTransferControlStructure {
                BitsPerWord      = BITS_PER_WORD,
                Length           = 5,
                Delay            = DELAY,
                ChipSelectChange = 1,
                Speed            = SPEED_IN_HZ
            };

            controlDevice = A.Fake <ISpiControlDevice>();
            controlDevice
            .CallsTo(device => device.Control(A <uint> .Ignored, ref controlStructure))
            .WithAnyArguments()
            .Returns(IOCTL_PINVOKE_RESULT_CODE);

            connection = new NativeSpiConnection(controlDevice);

            buffer = A.Fake <ISpiTransferBuffer>();
            buffer
            .CallsTo(b => b.ControlStructure)
            .Returns(controlStructure);
        }
        protected override void EstablishContext()
        {
            // SPI control structure we expect to see during the P/Invoke call
            controlStructure = new SpiTransferControlStructure {
                BitsPerWord = BITS_PER_WORD,
                Length = 5,
                Delay = DELAY,
                ChipSelectChange = 1,
                Speed = SPEED_IN_HZ
            };

            controlDevice = A.Fake<ISpiControlDevice>();
            controlDevice
                .CallsTo(device => device.Control(A<uint>.Ignored, ref controlStructure))
                .WithAnyArguments()
                .Returns(IOCTL_PINVOKE_RESULT_CODE);

            connection = new NativeSpiConnection(controlDevice);

            buffer = A.Fake<ISpiTransferBuffer>();
            buffer
                .CallsTo(b => b.ControlStructure)
                .Returns(controlStructure);
        }
        protected override void EstablishContext()
        {
            controlDevice = A.Fake<ISpiControlDevice>();
            controlDevice
                .CallsTo(device => device.Control(A<uint>.Ignored, A<SpiTransferControlStructure[]>.Ignored))
                .Returns(IOCTL_PINVOKE_RESULT_CODE);

            connection = new NativeSpiConnection(controlDevice);

            // SPI control structure we expect to see during the P/Invoke call
            controlStructure = new SpiTransferControlStructure {
                BitsPerWord = BITS_PER_WORD,
                Length = 5,
                Delay = DELAY,
                ChipSelectChange = 1,
                Speed = SPEED_IN_HZ
            };

            buffer = A.Fake<ISpiTransferBuffer>();
            buffer
                .CallsTo(b => b.ControlStructure)
                .Returns(controlStructure);

            // setup fake collection to return our "prepared" fake buffer
            collection = A.Fake<ISpiTransferBufferCollection>();
            collection
                .CallsTo(c => c.Length)
                .Returns(1);
            collection
                .CallsTo(c => c.GetEnumerator())
                .ReturnsLazily(call => new List<ISpiTransferBuffer>{buffer}.GetEnumerator());
        }