public void CanGetPinInterface()
{
//arrange
var newPin = Substitute.For <Func <byte, IPinInterface> >();
var board = new BroadcomStub(newPin);
//act
var pin0 = board.GPIO0;
//assert
Assert.IsAssignableFrom <IPinInterface>(pin0);
}
public void PinInterfaceIsCached()
{
//arrange
var newPin = Substitute.For <Func <byte, IPinInterface> >();
var board = new BroadcomStub(newPin);
var pin0 = board.GPIO0;
//act
var pin1 = board.GPIO0;
//assert
Assert.Equal(pin0, pin1);
newPin.Received(1).Invoke(0);
}
public void DisposesAllPins()
{
//arrange
var newPin = Substitute.For <Func <byte, IPinInterface> >();
var pin = Substitute.For <IPinInterface>();
newPin.Invoke(Arg.Any <byte>()).Returns(_ => pin);
var board = new BroadcomStub(newPin);
for (var x = 0; x < 28; x++)
{
board.GetType().GetProperty($"GPIO{x}")?.GetValue(board);
}
//act
board.Dispose();
//assert
pin.Received(28).Dispose();
}
public void PinsAreMappedCorrectly()
{
//arrange
var newPin = Substitute.For <Func <byte, IPinInterface> >();
newPin.Invoke(Arg.Any <byte>()).Returns(p => new PinStub(p.Arg <byte>()));
var board = new BroadcomStub(newPin);
var pins = new PinStub[28];
//act
for (var x = 0; x < 28; x++)
{
pins[x] = (PinStub)board.GetType().GetProperty($"GPIO{x}")?.GetValue(board) !;
}
//assert
for (var x = 0; x < 28; x++)
{
Assert.Equal(x, pins[x].Pin);
}
}
