libstdc++-v3/testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc

   1 // Copyright (C) 2019-2020 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 3, 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 even 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 xfail *-*-* } }
  19 // { dg-require-debug-mode { } }
  20
  21 #include <algorithm>
  22 #include <sstream>
  23 #include <iterator>
  24
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   std::stringstream ss("12345");
  30
  31   std::string ostr(10, '0');
  32   typedef std::istreambuf_iterator<char> istrb_ite;
  33   std::copy_n(istrb_ite(ss), 10, ostr.begin());
  34 }
  35
  36 int main()
  37 {
  38   test01();
  39   return 0;
  40 }