public void BusDecoderAnd_DecodeAnd_OutputActiveWhenEnabled()
{
const byte Value = 0x10;
var decoder = new BusDecoder("decoder");
decoder.AddValue(Value);
decoder.Input.ConnectTo(new Bus <BusData8>("bus"));
var busInput = decoder.Input.CreateConnection();
busInput.IsEnabled = true;
var and = new AndGate()
{
Name = "and"
};
and.AddInput().ConnectTo(decoder.Output);
var enable = and.AddInput().CreateConnection();
var output = and.Output.CreateConnection();
busInput.Write(new BusData8(Value));
decoder.Output.Level.Should().Be(DigitalLevel.High);
output.DigitalSignal.Level.Should().Be(DigitalLevel.Low);
enable.Write(DigitalLevel.High);
output.DigitalSignal.Level.Should().Be(DigitalLevel.High);
}
public void Write_HighPosEdge_Low()
{
var uut = new AndGate();
var input1 = uut.AddInput().CreateConnection();
var input2 = uut.AddInput().CreateConnection();
var output = uut.Output.CreateConnection();
input1.Write(DigitalLevel.High);
input2.Write(DigitalLevel.PosEdge);
uut.Output.Level.Should().Be(DigitalLevel.Low);
}
public void Write_HighHighHighHigh_High()
{
var uut = new AndGate();
var input1 = uut.AddInput().CreateConnection();
var input2 = uut.AddInput().CreateConnection();
var input3 = uut.AddInput().CreateConnection();
var input4 = uut.AddInput().CreateConnection();
var output = uut.Output.CreateConnection();
input1.Write(DigitalLevel.High);
input2.Write(DigitalLevel.High);
input3.Write(DigitalLevel.High);
input4.Write(DigitalLevel.High);
uut.Output.Level.Should().Be(DigitalLevel.High);
}
// can be removed; just trying out stuff
public void BasicComposite_NoBuilders()
{
var notGate = new NotGate();
notGate.SetInput(Generator.AnInactiveSignal());
var orGate = new OrGate();
orGate.AddInput(Generator.AnInactiveSignal());
orGate.AddInput(Generator.AnActiveSignal());
var andGate = new AndGate();
andGate.AddInput(notGate);
andGate.AddInput(orGate);
Assert.True(andGate.Output());
}
public AndGate Build()
{
var gate = new AndGate();
foreach (var input in _inputs)
{
gate.AddInput(input);
}
return(gate);
}