libstdc++-v3/testsuite/25_algorithms/minmax/2.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2008-09-16  Chris Fairles  <chris.fairles@gmail.com>
   4
   5 // Copyright (C) 2008-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <algorithm>
  23 #include <functional>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   std::pair<int, int> z = std::minmax({1, 2, 3});
  29   std::pair<int, int> w = std::minmax({4, 3, 5, 4});
  30   std::pair<int, int> y = std::minmax({4, 5, 3, 7, 3});
  31   VERIFY( z.first == 1 );
  32   VERIFY( z.second == 3 );
  33   VERIFY( w.first == 3 );
  34   VERIFY( w.second == 5 );
  35   VERIFY( y.first == 3 );
  36   VERIFY( y.second == 7 );
  37
  38   std::pair<int, int> zc =
  39     std::minmax({1, 2, 3}, std::greater<int>());
  40
  41   std::pair<int, int> wc =
  42     std::minmax({4, 3, 5, 4}, std::greater<int>());
  43
  44   std::pair<int, int> yc =
  45     std::minmax({4, 5, 3, 7, 3}, std::greater<int>());
  46
  47   VERIFY( zc.first == 3 );
  48   VERIFY( zc.second == 1 );
  49   VERIFY( wc.first == 5 );
  50   VERIFY( wc.second == 3 );
  51   VERIFY( yc.first == 7 );
  52   VERIFY( yc.second == 3 );
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }