private void Check(IQuadAdder adder,byte x,byte y, bool cIn, bool cOut, byte s)
{
string message = String.Format("(x={0},y={1},cIn={2}) => (cOut={3},s={4})",x,y,cIn,cOut,s);
Tuple<byte,byte,bool> input = new Tuple<byte, byte, bool>(x,y,cIn);
Tuple<byte,bool> result = adder.Output(input);
Assert.AreEqual(s,result.Item1, message);
Assert.AreEqual(cOut, result.Item2, message);
}
private void DoLoop(IQuadAdder adder,bool cIn)
{
// ohne carry in (cIn)
for(byte x = 0; x<16; x++)
for(byte y= 0; y<16; y++)
{
byte result = (byte)(x + y + (cIn ? 1:0 ));
bool cOut = (result & 0x10) > 0;
result &= 0x0F;
Check(adder, x,y,cIn,cOut,result);
Check(adder, y,x,cIn,cOut,result);
}
}