test_invalid_arguments.cpp

#ifdef WITH_MODULE
import argparse;
#else
#include <argparse/argparse.hpp>
#endif
#include <doctest.hpp>

using doctest::test_suite;

TEST_CASE("Parse unknown optional argument" *
          test_suite("compound_arguments")) {

  argparse::ArgumentParser bfm("bfm");

  bfm.add_argument("-l", "--load").help("load a VMM into the kernel");

  bfm.add_argument("-x", "--start")
      .default_value(false)
      .implicit_value(true)
      .help("start a previously loaded VMM");

  bfm.add_argument("-d", "--dump")
      .default_value(false)
      .implicit_value(true)
      .help("output the contents of the VMM's debug buffer");

  bfm.add_argument("-s", "--stop")
      .default_value(false)
      .implicit_value(true)
      .help("stop a previously started VMM");

  bfm.add_argument("-u", "--unload")
      .default_value(false)
      .implicit_value(true)
      .help("unload a previously loaded VMM");

  bfm.add_argument("-m", "--mem")
      .default_value(64ULL)
      .scan<'u', unsigned long long>()
      .help("memory in MB to give the VMM when loading");

  REQUIRE_THROWS_WITH_AS(bfm.parse_args({"./test.exe", "-om"}),
                         "Unknown argument: -om", std::runtime_error);
}