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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/vector/modifiers/insert/self_insert.cc
1 // { dg-do run { target c++11 } }
3 // Copyright (C) 2016-2024 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/>.
22 #include "testsuite_hooks.h"
26 std::vector
<std::vector
<int>> vv
=
33 // Make sure it doesn't reallocate during insertion.
36 vv
.insert(vv
.begin(), vv
[0]);
38 VERIFY( vv
.size() == 4 );
39 VERIFY( vv
[0].size() == 2 );
40 VERIFY( vv
[0][0] == 2 );
41 VERIFY( vv
[0][1] == 3 );
46 std::vector
<std::vector
<int>> vv
=
53 // Make sure we will reallocate for insertion.
54 VERIFY( vv
.capacity() == 3 );
56 vv
.insert(vv
.begin(), vv
[0]);
58 VERIFY( vv
.size() == 4 );
59 VERIFY( vv
[0].size() == 2 );
60 VERIFY( vv
[0][0] == 2 );
61 VERIFY( vv
[0][1] == 3 );