1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// { dg-do run { target c++11 } }
// Copyright (C) 2016-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <vector>
#include "testsuite_hooks.h"
void test01()
{
std::vector<std::vector<int>> vv =
{
{ 2, 3 },
{ 4, 5 },
{ 0, 1 }
};
// Make sure it doesn't reallocate during insertion.
vv.reserve(4);
vv.insert(vv.begin(), vv[0]);
VERIFY( vv.size() == 4 );
VERIFY( vv[0].size() == 2 );
VERIFY( vv[0][0] == 2 );
VERIFY( vv[0][1] == 3 );
}
void test02()
{
std::vector<std::vector<int>> vv =
{
{ 2, 3 },
{ 4, 5 },
{ 0, 1 }
};
// Make sure we will reallocate for insertion.
VERIFY( vv.capacity() == 3 );
vv.insert(vv.begin(), vv[0]);
VERIFY( vv.size() == 4 );
VERIFY( vv[0].size() == 2 );
VERIFY( vv[0][0] == 2 );
VERIFY( vv[0][1] == 3 );
}
int main()
{
test01();
test02();
}
|
