attr.cpp

//
// Copyright (c) 2019-2020 Kris Jusiak (kris at jusiak dot net)
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/ut.hpp>

constexpr auto sum = [](auto... args) { return (0 + ... + args); };

int main() {
  using boost::ut::operator""_test;
  using namespace boost::ut::literals;
  using namespace boost::ut::operators::terse;

  "macro"_test = [] {
#define expect void(),
    expect sum(1, 1) == 2_i;
    expect(6_i == sum(1, 2, 3));
#undef expect
  };

#if __has_cpp_attribute(expect)
  "attribute"_test = [] {
    [[expect]] 3_i == sum(1, 2);
    [[expect]] (sum(1, 2) == 3_i);
  };
#endif
}