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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
// Aligned allocation is required by std::experimental::pmr, but it was not provided
// before macosx10.13 and as a result we get linker errors when deploying to older than
// macosx10.13.
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}}
// <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
#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;
}
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