public void GivenInput123ToX_WhenGet_ThenReturnCorrectSignalInstruction()
{
var instruction = _sut.Get("123 -> x");
Assert.Equal(instruction, new Instruction(new List <string>()
{
"123"
}, new SignalGate(), "x"));
}
public int Execute()
{
var instructionFactory = new InstructionFactory(_registers);
var currentInstructionIndex = 0;
_registers['c'] = 1;
while (currentInstructionIndex < _instructions.Length && currentInstructionIndex >= 0)
{
var instructionType = instructionFactory.Get(_instructions[currentInstructionIndex]);
currentInstructionIndex = instructionType.Execute(currentInstructionIndex);
}
return(_registers['a']);
}