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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_unordered_map.cc
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1 // Copyright (C) 2018-2023 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++14 } }
20 #include <experimental/unordered_map>
22 namespace xpmr
= std::experimental::pmr
;
26 struct Hash
{ std::size_t operator()(X
) const { return 0; } };
27 struct Eq
{ bool operator()(X
, X
) const { return true; } };
29 static_assert(std::is_same
<xpmr::unordered_map
<X
, Y
>,
30 std::unordered_map
<X
, Y
, std::hash
<X
>, std::equal_to
<X
>,
31 xpmr::polymorphic_allocator
<std::pair
<const X
, Y
>>>>::value
,
32 "pmr::unordered_map");
33 static_assert(std::is_same
<xpmr::unordered_map
<X
, Y
, Hash
>,
34 std::unordered_map
<X
, Y
, Hash
, std::equal_to
<X
>,
35 xpmr::polymorphic_allocator
<std::pair
<const X
, Y
>>>>::value
,
36 "pmr::unordered_map");
37 static_assert(std::is_same
<xpmr::unordered_map
<X
, Y
, Hash
, Eq
>,
38 std::unordered_map
<X
, Y
, Hash
, Eq
,
39 xpmr::polymorphic_allocator
<std::pair
<const X
, Y
>>>>::value
,
40 "pmr::unordered_map");