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99dee823 | 1 | // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
cc7f3d0e JW |
2 | // |
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) | |
7 | // any later version. | |
8 | ||
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. | |
13 | ||
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/>. | |
17 | ||
52066eae | 18 | // { dg-do run { target c++11 } } |
cc7f3d0e JW |
19 | |
20 | #include <list> | |
21 | #include <testsuite_hooks.h> | |
22 | #include <testsuite_allocator.h> | |
23 | ||
24 | struct T { int i; }; | |
25 | ||
26 | using __gnu_test::propagating_allocator; | |
27 | ||
28 | // It is undefined behaviour to swap() containers wth unequal allocators | |
29 | // if the allocator doesn't propagate, so ensure the allocators compare | |
30 | // equal, while still being able to test propagation via get_personality(). | |
31 | bool | |
32 | operator==(const propagating_allocator<T, false>&, | |
33 | const propagating_allocator<T, false>&) | |
34 | { | |
35 | return true; | |
36 | } | |
37 | ||
38 | bool | |
39 | operator!=(const propagating_allocator<T, false>&, | |
40 | const propagating_allocator<T, false>&) | |
41 | { | |
42 | return false; | |
43 | } | |
44 | ||
45 | void test01() | |
46 | { | |
cc7f3d0e JW |
47 | typedef propagating_allocator<T, false> alloc_type; |
48 | typedef std::list<T, alloc_type> test_type; | |
49 | test_type v1(alloc_type(1)); | |
50 | v1.push_front(T()); | |
51 | test_type v2(alloc_type(2)); | |
52 | v2.push_front(T()); | |
53 | std::swap(v1, v2); | |
54 | VERIFY(1 == v1.get_allocator().get_personality()); | |
55 | VERIFY(2 == v2.get_allocator().get_personality()); | |
56 | // swap back so assertions in uneq_allocator::deallocate don't fail | |
57 | std::swap(v1, v2); | |
58 | } | |
59 | ||
60 | void test02() | |
61 | { | |
cc7f3d0e JW |
62 | typedef propagating_allocator<T, true> alloc_type; |
63 | typedef std::list<T, alloc_type> test_type; | |
64 | test_type v1(alloc_type(1)); | |
65 | v1.push_front(T()); | |
66 | test_type v2(alloc_type(2)); | |
67 | v2.push_front(T()); | |
68 | std::swap(v1, v2); | |
69 | VERIFY(2 == v1.get_allocator().get_personality()); | |
70 | VERIFY(1 == v2.get_allocator().get_personality()); | |
71 | } | |
72 | ||
73 | int main() | |
74 | { | |
75 | test01(); | |
76 | test02(); | |
77 | return 0; | |
78 | } |