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

   1 // 2008-06-25  Paolo Carlini  <paolo.carlini@oracle.com>
   2
   3 // Copyright (C) 2008-2019 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 using __gnu_test::input_iterator_wrapper;
  26 using __gnu_test::output_iterator_wrapper;
  27
  28 struct X { };
  29
  30 struct Z
  31 {
  32   Z&
  33   operator=(const X&)
  34   { return *this; }
  35 };
  36
  37 bool
  38 pred_function(const X&)
  39 { return true; }
  40
  41 struct pred_obj
  42 {
  43   bool
  44   operator()(const X&)
  45   { return true; }
  46 };
  47
  48 output_iterator_wrapper<Z>
  49 test1(input_iterator_wrapper<X>& begin,
  50       input_iterator_wrapper<X>& end,
  51       output_iterator_wrapper<Z>& output)
  52 { return std::copy_if(begin, end, output, pred_function); }
  53
  54 output_iterator_wrapper<Z>
  55 test2(input_iterator_wrapper<X>& begin,
  56       input_iterator_wrapper<X>& end,
  57       output_iterator_wrapper<Z>& output)
  58 { return std::copy_if(begin, end, output, pred_obj()); }