]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/unordered_multimap/insert/52476.cc
1 // { dg-options "-std=gnu++11" }
3 // Copyright (C) 2012-2016 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 #include <unordered_map>
23 #include <testsuite_hooks.h>
28 bool test
__attribute__((unused
)) = true;
30 unordered_multimap
<int, int> mmap
;
33 size_t nb_bkts
= mmap
.bucket_count();
37 mmap
.insert(make_pair(0, i
));
38 if (mmap
.bucket_count() != nb_bkts
)
39 // Container got rehash
42 transform(mmap
.begin(), mmap
.end(), back_inserter(values
),
43 [](const pair
<int, int>& p
) { return p
.second
; });
46 vector
<int> rehash_values
;
47 transform(mmap
.begin(), mmap
.end(), back_inserter(rehash_values
),
48 [](const pair
<int, int>& p
) { return p
.second
; });
49 // Remove the value that result in a rehash
50 rehash_values
.erase(remove(rehash_values
.begin(), rehash_values
.end(), i
));
52 VERIFY( rehash_values
== values
);