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
|
// { dg-options "-std=gnu++0x" }
// 2008-09-16 Chris Fairles <chris.fairles@gmail.com>
// Copyright (C) 2008, 2009 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 <algorithm>
#include <functional>
#include <testsuite_hooks.h>
struct compare_counter
: std::binary_function<int, int, bool>
{
static int count;
bool operator()(int a, int b) const
{
++count;
return a < b;
}
};
int compare_counter::count = 0;
void test01()
{
bool test __attribute__((unused)) = true;
std::pair<int, int> z = std::minmax({1, 2, 3, 4, 5, 6, 7, 8},
compare_counter());
// If N is the number of arguments in the minmax function call,
// 25.3.7 specifies that at most 3N/2 comparisons are allowed.
VERIFY(compare_counter::count <= (3 * 8 / 2));
}
int main()
{
test01();
return 0;
}
|
