public void Should_evaluate_program_from_start_index()
{
var program = "101,5,1,5,99,0,1101,5,1,11,99,0";
ProgramConfiguration.GetParameterMode(program, out var arg1, out var arg2, out var writeParameterMode, startIndex: 6);
Assert.That(arg1, Is.EqualTo(ParameterMode.Immediate));
Assert.That(arg2, Is.EqualTo(ParameterMode.Immediate));
}
public string Process(string program, int startIndex = 0)
{
if (!_validator.Validate(program))
{
throw new Exception("");
}
_validator.ValidateProgramConfiguration(program, startIndex, 2);
var intList = _validator.SplitString(program).ToArray();
_validator.ExtractOrdinals(intList, out var i1, out var i2, out var pointer, startIndex: startIndex);
ProgramConfiguration.GetParameterMode(program, out var arg1Mode, out var arg2Mode, out var positionMode, startIndex: startIndex);
var arg1 = (arg1Mode == ParameterMode.Immediate) ? intList[startIndex + 1] : intList[i1];
var arg2 = (arg2Mode == ParameterMode.Immediate) ? intList[startIndex + 2] : intList[i2];
; intList[pointer] = arg1 * arg2;
return(_validator.Join(intList));
}
public void Parameters_that_an_instruction_writes_to_will_never_be_in_immediate_mode(string program, ParameterMode expected)
{
ProgramConfiguration.GetParameterMode(program, out var ignored, out var unused, out var writeParameterMode);
Assert.That(writeParameterMode, Is.EqualTo(ParameterMode.Positional));
}
public void Should_extract_parameter_mode_for_parameter_2(string program, ParameterMode expected)
{
ProgramConfiguration.GetParameterMode(program, out var ignored, out var i2, out var unused);
Assert.That(i2, Is.EqualTo(expected));
}
