1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
//===----------------------------------------------------------------------===//
//
// 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, c++11, c++14
// TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed
// UNSUPPORTED: availability-pmr-missing
// <map>
// namespace std::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::pmr
#include <map>
#include <memory_resource>
#include <type_traits>
#include <cassert>
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, std::pmr::polymorphic_allocator<P>>;
using PmrMap = std::pmr::map<K, V>;
static_assert(std::is_same<StdMap, PmrMap>::value, "");
}
{
using StdMap = std::map<K, V, OC, std::pmr::polymorphic_allocator<P>>;
using PmrMap = std::pmr::map<K, V, OC>;
static_assert(std::is_same<StdMap, PmrMap>::value, "");
}
{
std::pmr::map<int, int> m;
assert(m.get_allocator().resource() == std::pmr::get_default_resource());
}
{
using StdMap = std::multimap<K, V, DC, std::pmr::polymorphic_allocator<P>>;
using PmrMap = std::pmr::multimap<K, V>;
static_assert(std::is_same<StdMap, PmrMap>::value, "");
}
{
using StdMap = std::multimap<K, V, OC, std::pmr::polymorphic_allocator<P>>;
using PmrMap = std::pmr::multimap<K, V, OC>;
static_assert(std::is_same<StdMap, PmrMap>::value, "");
}
{
std::pmr::multimap<int, int> m;
assert(m.get_allocator().resource() == std::pmr::get_default_resource());
}
return 0;
}
|
