libstdc++-v3/testsuite/25_algorithms/copy/34595.cc

   1 // Copyright (C) 2007 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without Pred the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 25.2.1 [lib.alg.copy] Copy.
  20
  21 #include <algorithm>
  22 #include <testsuite_hooks.h>
  23
  24 class Counting_output_iterator
  25 : public std::iterator< std::output_iterator_tag, void, void, void, void >
  26 {
  27   std::size_t c;
  28 public:
  29   Counting_output_iterator() : c(0) {}
  30   Counting_output_iterator& operator++() { return *this; }
  31   Counting_output_iterator& operator*() { return *this; }
  32
  33   template <typename T>
  34   void operator=(const T&) { ++c; }
  35
  36   std::size_t current_counter() const { return c; }
  37 };
  38
  39 // libstdc++/34595
  40 void test01()
  41 {
  42   bool test __attribute__((unused)) = true;
  43
  44   int t[10] = {0,};
  45   Counting_output_iterator cnt;
  46   std::size_t res = std::copy(t+0, t+5, cnt).current_counter();
  47
  48   VERIFY( res == 5 );
  49 }
  50
  51 int main()
  52 {
  53   test01();
  54   return 0;
  55 }