1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14
10// TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed
11// UNSUPPORTED: availability-pmr-missing
12
13// <set>
14
15// namespace std::pmr {
16// template <class V, class Compare = less<V> >
17// using set =
18// ::std::set<V, Compare, polymorphic_allocator<V>>
19//
20// template <class V, class Compare = less<V> >
21// using multiset =
22// ::std::multiset<V, Compare, polymorphic_allocator<V>>
23//
24// } // namespace std::pmr
25
26#include <set>
27#include <memory_resource>
28#include <type_traits>
29#include <cassert>
30
31int main(int, char**) {
32 using V = char;
33 using DC = std::less<V>;
34 using OC = std::greater<V>;
35 {
36 using StdSet = std::set<V, DC, std::pmr::polymorphic_allocator<V>>;
37 using PmrSet = std::pmr::set<V>;
38 static_assert(std::is_same<StdSet, PmrSet>::value, "");
39 }
40 {
41 using StdSet = std::set<V, OC, std::pmr::polymorphic_allocator<V>>;
42 using PmrSet = std::pmr::set<V, OC>;
43 static_assert(std::is_same<StdSet, PmrSet>::value, "");
44 }
45 {
46 std::pmr::set<int> m;
47 assert(m.get_allocator().resource() == std::pmr::get_default_resource());
48 }
49 {
50 using StdSet = std::multiset<V, DC, std::pmr::polymorphic_allocator<V>>;
51 using PmrSet = std::pmr::multiset<V>;
52 static_assert(std::is_same<StdSet, PmrSet>::value, "");
53 }
54 {
55 using StdSet = std::multiset<V, OC, std::pmr::polymorphic_allocator<V>>;
56 using PmrSet = std::pmr::multiset<V, OC>;
57 static_assert(std::is_same<StdSet, PmrSet>::value, "");
58 }
59 {
60 std::pmr::multiset<int> m;
61 assert(m.get_allocator().resource() == std::pmr::get_default_resource());
62 }
63
64 return 0;
65}
66

source code of libcxx/test/std/utilities/utility/mem.res/mem.res.aliases/header_set_synop.pass.cpp