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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/unordered_set/allocator/swap.cc
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1 // Copyright (C) 2013-2014 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-options "-std=c++11" }
20 #include <unordered_set>
21 #include <testsuite_hooks.h>
22 #include <testsuite_allocator.h>
28 std::size_t operator()(const T t
) const noexcept
34 bool operator()(const T
& lhs
, const T
& rhs
) const noexcept
35 { return lhs
.i
== rhs
.i
; }
38 using __gnu_test::propagating_allocator
;
40 // It is undefined behaviour to swap() containers wth unequal allocators
41 // if the allocator doesn't propagate, so ensure the allocators compare
42 // equal, while still being able to test propagation via get_personality().
44 operator==(const propagating_allocator
<T
, false>&,
45 const propagating_allocator
<T
, false>&)
51 operator!=(const propagating_allocator
<T
, false>&,
52 const propagating_allocator
<T
, false>&)
59 bool test
__attribute__((unused
)) = true;
60 typedef propagating_allocator
<T
, false> alloc_type
;
61 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
62 test_type
v1(alloc_type(1));
64 test_type
v2(alloc_type(2));
67 VERIFY(1 == v1
.get_allocator().get_personality());
68 VERIFY(2 == v2
.get_allocator().get_personality());
69 // swap back so assertions in uneq_allocator::deallocate don't fail
75 bool test
__attribute__((unused
)) = true;
76 typedef propagating_allocator
<T
, true> alloc_type
;
77 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
78 test_type
v1(alloc_type(1));
80 test_type
v2(alloc_type(2));
83 VERIFY(2 == v1
.get_allocator().get_personality());
84 VERIFY(1 == v2
.get_allocator().get_personality());