//          Copyright Carl Philipp Reh 2009 - 2021.
// 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 <fcppt/catch/begin.hpp>
#include <fcppt/catch/end.hpp>
#include <fcppt/either/from_optional.hpp>
#include <fcppt/either/object.hpp>
#include <fcppt/either/output.hpp> // IWYU pragma: keep
#include <fcppt/optional/object.hpp>
#include <fcppt/config/external_begin.hpp>
#include <catch2/catch_test_macros.hpp>
#include <string>
#include <fcppt/config/external_end.hpp>

FCPPT_CATCH_BEGIN
// NOLINTBEGIN(bugprone-throwing-static-initialization,clang-analyzer-optin.core.EnumCastOutOfRange,misc-const-correctness,cert-err58-cpp,fuchsia-statically-constructed-objects,misc-use-anonymous-namespace,cppcoreguidelines-avoid-do-while)

TEST_CASE("either::from_optional", "[either]")
{
  using optional_int = fcppt::optional::object<int>;

  using either_int = fcppt::either::object<std::string, int>;

  auto const failure_function([] { return std::string("failure"); });

  CHECK(fcppt::either::from_optional(optional_int(42), failure_function) == either_int(42));

  CHECK(
      fcppt::either::from_optional(optional_int(), failure_function) ==
      either_int(std::string("failure")));
}

// NOLINTEND(bugprone-throwing-static-initialization,clang-analyzer-optin.core.EnumCastOutOfRange,misc-const-correctness,cert-err58-cpp,fuchsia-statically-constructed-objects,misc-use-anonymous-namespace,cppcoreguidelines-avoid-do-while)
FCPPT_CATCH_END
