libstdc++-v3/testsuite/25_algorithms/minmax_element/check_type.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2007 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 // { dg-do compile }
  22
  23 #include <algorithm>
  24 #include <testsuite_iterators.h>
  25
  26 using __gnu_test::forward_iterator_wrapper;
  27
  28 struct S { };
  29
  30 bool
  31 operator<(const S&, const S&) {return true;}
  32
  33 struct X { };
  34
  35 bool
  36 predicate(const X&, const X&) {return true;}
  37
  38 std::pair<forward_iterator_wrapper<S>, forward_iterator_wrapper<S> >
  39 test1(forward_iterator_wrapper<S>& s)
  40 { return std::minmax_element(s,s); }
  41
  42 std::pair<forward_iterator_wrapper<X>, forward_iterator_wrapper<X> >
  43 test2(forward_iterator_wrapper<X>& x)
  44 { return std::minmax_element(x,x,predicate); }