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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/unordered_map/allocator/default_init.cc
1 // Copyright (C) 2020-2021 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 run { target c++11 } }
19 // { dg-options "-O0" }
20 // { dg-xfail-run-if "PR c++/65816" { *-*-* } }
22 #include <unordered_map>
23 #include <testsuite_hooks.h>
24 #include <testsuite_allocator.h>
26 #include <ext/aligned_buffer.h>
30 using __gnu_test::default_init_allocator
;
34 typedef default_init_allocator
<std::pair
<const T
, T
>> alloc_type
;
35 typedef std::unordered_map
<T
, T
, std::hash
<T
>, std::equal_to
<T
>,
36 alloc_type
> test_type
;
38 __gnu_cxx::__aligned_buffer
<test_type
> buf
;
39 __builtin_memset(buf
._M_addr(), ~0, sizeof(test_type
));
41 test_type
*tmp
= ::new(buf
._M_addr()) test_type
;
43 VERIFY( tmp
->get_allocator().state
== 0 );
50 typedef default_init_allocator
<std::pair
<const T
, T
>> alloc_type
;
51 typedef std::unordered_map
<T
, T
, std::hash
<T
>, std::equal_to
<T
>,
52 alloc_type
> test_type
;
54 __gnu_cxx::__aligned_buffer
<test_type
> buf
;
55 __builtin_memset(buf
._M_addr(), ~0, sizeof(test_type
));
57 test_type
*tmp
= ::new(buf
._M_addr()) test_type();
59 VERIFY( tmp
->get_allocator().state
== 0 );