aocpp/2019/09.cpp

#include <iostream>
#include <utility>

#include <doctest.h>

#include <aocpp/Startup.hpp>
#include <intcode/intcode.hpp>
using namespace intcode;

namespace {

auto Compute(Machine machine, ValueType d) -> ValueType {
  ValueType output = -1;
  Run(machine,
    [=](){ return d; },
    [&](auto o) { output = o; });
  return output;
}

} // namespace

TEST_SUITE("documented examples") {
  TEST_CASE("part 1") {
    std::vector<ValueType> pgm {109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99};
    std::vector<ValueType> output;
    Machine machine {pgm};
    Run(machine, []() -> ValueType{ REQUIRE(false); return 0; }, [&](ValueType o){ output.push_back(o);});
    REQUIRE(pgm == output);
  }
}

auto Main(std::istream & in, std::ostream & out) -> void
{
  auto machine = Machine{ParseStream(in)};
  out << "Part 1: " << Compute(machine, 1) << std::endl;
  out << "Part 2: " << Compute(std::move(machine), 2) << std::endl;
}