protected override void EstablishContext()
{
controlDevice = A.Fake <ISpiControlDevice>();
A.CallTo(() => controlDevice.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>();
A.CallTo(() => buffer.ControlStructure)
.Returns(controlStructure);
// setup fake collection to return our "prepared" fake buffer
collection = A.Fake <ISpiTransferBufferCollection>();
A.CallTo(() => collection.Length)
.Returns(1);
A.CallTo(() => collection.GetEnumerator())
.ReturnsLazily(call => new List <ISpiTransferBuffer> {
buffer
}.GetEnumerator());
}
