libstdc++-v3/testsuite/25_algorithms/advance/istreambuf_iterators/char/2_neg.cc

   1 // Copyright (C) 2017-2018 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 { xfail *-*-* } }
  19 // { dg-require-debug-mode "" }
  20
  21 #include <iterator>
  22 #include <algorithm>
  23
  24 void test01()
  25 {
  26   using namespace std;
  27
  28   typedef istreambuf_iterator<char> in_iterator_type;
  29   in_iterator_type end1;
  30
  31   advance(end1, 0); // Ok.
  32
  33   advance(end1, 1); // Invalid.
  34 }
  35
  36 int main()
  37 {
  38   test01();
  39   return 0;
  40 }