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

   1 // 2008-06-25  Paolo Carlini  <paolo.carlini@oracle.com>
   2
   3 // Copyright (C) 2008-2021 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // { dg-do compile { target c++11 } }
  21
  22 #include <algorithm>
  23 #include <testsuite_iterators.h>
  24
  25 struct X { };
  26
  27 using __gnu_test::input_iterator_wrapper;
  28
  29 bool
  30 pred_function(const X&)
  31 { return true; }
  32
  33 struct pred_obj
  34 {
  35   bool
  36   operator()(const X&)
  37   { return true; }
  38 };
  39
  40 bool
  41 test1(input_iterator_wrapper<X>& begin,
  42       input_iterator_wrapper<X>& end)
  43 { return std::none_of(begin, end, pred_function); }
  44
  45 bool
  46 test2(input_iterator_wrapper<X>& begin,
  47       input_iterator_wrapper<X>& end)
  48 { return std::none_of(begin, end, pred_obj()); }