public string Process(string program, int startIndex = 0)
{
var output = program;
while (true)
{
var intList = _validator.SplitString(output).ToArray();
var opCode = ProgramConfiguration.GetOpCode(intList[startIndex].ToString());
if (opCode == 99)
{
return(output);
}
var logic = _intcodeProgramFactory.GetProgram(opCode);
if (opCode == 4)
{
_diagnosticCode = logic.Process(output, startIndex);
}
else if (opCode == 5 || opCode == 6)
{
logic.Process(output, startIndex);
}
else
{
output = (opCode == 3)
? logic.Process(output, _systemIdentifier, startIndex)
: logic.Process(output, startIndex);
}
startIndex += logic.InstructionLength;
}
}
public void Should_extract_opcode_from_last_2_digits(string program, int expected)
{
Assert.That(ProgramConfiguration.GetOpCode(program), Is.EqualTo(expected));
}