//          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/optional/object.hpp>
#include <fcppt/optional/std_hash.hpp> // IWYU pragma: keep
#include <fcppt/config/external_begin.hpp>
#include <catch2/catch_test_macros.hpp>
#include <unordered_set>
#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("optional::hash", "[optional]")
{
  using optional_int = fcppt::optional::object<int>;

  using optional_set = std::unordered_set<optional_int>;

  optional_set const set{optional_int{1}};

  CHECK(set.contains(optional_int{1}));

  CHECK_FALSE(set.contains(optional_int{2}));

  CHECK_FALSE(set.contains(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
