//          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/io/read.hpp>
#include <fcppt/io/write.hpp>
#include <fcppt/optional/object.hpp>
#include <fcppt/optional/output.hpp> // IWYU pragma: keep
#include <fcppt/config/external_begin.hpp>
#include <catch2/catch_test_macros.hpp>
#include <bit>
#include <sstream>
#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)

namespace
{
using optional_int = fcppt::optional::object<int>;

void test_read_write(std::endian const _endianness)
{
  int const foo{42};

  std::stringstream stream{};

  fcppt::io::write(stream, foo, _endianness);

  optional_int const result(fcppt::io::read<int>(stream, _endianness));

  CHECK(result == optional_int{42});
}

}

TEST_CASE("io read_write", "[io]")
{
  test_read_write(std::endian::big);

  test_read_write(std::endian::little);

  {
    std::stringstream stream{};

    CHECK(fcppt::io::read<int>(stream, std::endian::little) == optional_int{});
  }
}

// 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
