public void ConnectTo_SmallerSource_ThrowsException()
{
var busWidth = 8;
var source = new Bus(4);
var uut = new BusTap(busWidth);
Action test = () => uut.ConnectTo(source);
test.ShouldThrow <ArgumentException>();
}
public void ConnectTo_BiggerSource_MaintainsBusWidth()
{
var busWidth = 8;
var source = new Bus <BusData16>();
var uut = new BusTap(busWidth);
uut.ConnectTo(source);
uut.Signals.Should().HaveCount(busWidth);
}
public void TestInitialize()
{
var builder = CreateModelBuilder(HelloWorldBin);
var ioAddress = new BusTap(8);
ioAddress.ConnectTo(builder.Model.Address);
builder.AddOutputPort(ioAddress, builder.Model.Data, 0x20, "ConsoleOut");
builder.AddLogicAnalyzer(false);
builder.Model.LogicAnalyzer.ConnectInput(
builder.Model.OutputPorts.Values.First().PortEnable.DigitalSignal);
builder.Model.LogicAnalyzer.Start();
_model = builder.Model;
}
public void ConnectTo_ChangeSource_BusValueCorrect()
{
var busWidth = 8;
var source = new Bus <BusData16>();
var uut = new BusTap(busWidth);
uut.ConnectTo(source);
var driver = new BusMaster(source);
driver.IsEnabled = true;
driver.Write(new BusData16(0xAA55));
uut.Value.ToUInt32().Should().Be(0x55);
}
public void ConnectTo_ChangeSource_EventFires()
{
var busWidth = 8;
var source = new Bus <BusData16>();
var uut = new BusTap(busWidth);
uut.ConnectTo(source);
uut.MonitorEvents();
var driver = new BusMaster(source);
driver.IsEnabled = true;
driver.Write(new BusData16(0xAA55));
uut.ShouldRaise("OnChanged");
}
