// { 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;}