mirror of git://gcc.gnu.org/git/gcc.git
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// { dg-do run { target c++11 } }
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// 2008-09-16 Chris Fairles <chris.fairles@gmail.com>
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// Copyright (C) 2008-2016 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <algorithm>
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#include <functional>
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#include <testsuite_hooks.h>
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struct compare_counter
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: std::binary_function<int, int, bool>
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{
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static int count;
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bool operator()(int a, int b) const
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{
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++count;
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return a < b;
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}
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};
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int compare_counter::count = 0;
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void test01()
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{
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std::minmax({1, 2, 3, 4, 5, 6, 7, 8}, compare_counter());
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// If N is the number of arguments in the minmax function call,
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// 25.3.7 specifies that at most 3N/2 comparisons are allowed.
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VERIFY(compare_counter::count <= (3 * 8 / 2));
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}
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int main()
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{
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test01();
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return 0;
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}
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