libstdc++-v3/testsuite/25_algorithms/max/3.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2008 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 #include <algorithm>
  22 #include <functional>
  23 #include <testsuite_hooks.h>
  24
  25 void test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28
  29   const int& x = std::max({1, 3, 2});
  30   const int& y = std::max({4, 3, 2});
  31   const int& z = std::max({3, 2, 4});
  32   VERIFY( x == 3 );
  33   VERIFY( y == 4 );
  34   VERIFY( z == 4 );
  35
  36   const int& xc = std::max({1, 2, 3}, std::greater<int>());
  37   const int& yc = std::max({4, 3, 2}, std::greater<int>());
  38   const int& zc = std::max({2, 4, 3}, std::greater<int>());
  39   VERIFY( xc == 1 );
  40   VERIFY( yc == 2 );
  41   VERIFY( zc == 2 );
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }