File: header_map_synop.pass.cpp

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03

// XFAIL: availability-aligned_allocation-missing

// <experimental/map>

// namespace std { namespace experimental { namespace pmr {
// template <class K, class V, class Compare = less<Key> >
// using map =
//     ::std::map<K, V, Compare, polymorphic_allocator<pair<const K, V>>>
//
// template <class K, class V, class Compare = less<Key> >
// using multimap =
//     ::std::multimap<K, V, Compare, polymorphic_allocator<pair<const K, V>>>
//
// }}} // namespace std::experimental::pmr

// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS

#include <experimental/map>
#include <experimental/memory_resource>
#include <type_traits>
#include <cassert>

#include "test_macros.h"

namespace pmr = std::experimental::pmr;

int main(int, char**)
{
    using K = int;
    using V = char;
    using DC = std::less<int>;
    using OC = std::greater<int>;
    using P = std::pair<const K, V>;
    {
        using StdMap = std::map<K, V, DC, pmr::polymorphic_allocator<P>>;
        using PmrMap = pmr::map<K, V>;
        static_assert(std::is_same<StdMap, PmrMap>::value, "");
    }
    {
        using StdMap = std::map<K, V, OC, pmr::polymorphic_allocator<P>>;
        using PmrMap = pmr::map<K, V, OC>;
        static_assert(std::is_same<StdMap, PmrMap>::value, "");
    }
    {
        pmr::map<int, int> m;
        assert(m.get_allocator().resource() == pmr::get_default_resource());
    }
    {
        using StdMap = std::multimap<K, V, DC, pmr::polymorphic_allocator<P>>;
        using PmrMap = pmr::multimap<K, V>;
        static_assert(std::is_same<StdMap, PmrMap>::value, "");
    }
    {
        using StdMap = std::multimap<K, V, OC, pmr::polymorphic_allocator<P>>;
        using PmrMap = pmr::multimap<K, V, OC>;
        static_assert(std::is_same<StdMap, PmrMap>::value, "");
    }
    {
        pmr::multimap<int, int> m;
        assert(m.get_allocator().resource() == pmr::get_default_resource());
    }

  return 0;
}