BDD.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>

int main() {
  using namespace boost::ut::literals;
  using namespace boost::ut::operators::terse;
  using namespace boost::ut::bdd;

  "Scenario"_test = [] {
    given("I have...") = [] {
      when("I run...") = [] {
        then("I should have...") = [] { 1_u == 1u; };
        then("I should have...") = [] { 1u == 1_u; };
      };
    };
  };

  feature("Calculator") = [] {
    scenario("Addition") = [] {
      given("I have number 40") = [] {
        auto number = 40;
        when("I add 2 to number") = [&number] { number += 2; };
        then("I expect number to be 42") = [&number] { 42_i == number; };
      };
    };
  };

  // clang-format off
  scenario("Addition");
    given("I have number 40");
      auto number = 40;

    when("I add 2 to number");
      number += 2;

    then("I expect number to be 42");
      42_i == number;
  // clang-format on
}