libstdc++-v3/testsuite/22_locale/time_put/put/char/12439_3.cc

   1 // Copyright (C) 2003-2021 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 // 22.2.5.3.1 time_put members
  19
  20 // { dg-require-time "" }
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <ctime>
  25 #include <testsuite_hooks.h>
  26
  27 class TP : public std::time_put<char>
  28 {
  29 public:
  30   mutable std::string format_chars;
  31
  32 protected:
  33   iter_type do_put(iter_type s, std::ios_base&, char_type,
  34                    const std::tm*, char format, char) const
  35   {
  36     format_chars.push_back(format);
  37     return s;
  38   }
  39 };
  40
  41 // libstdc++/12439
  42 // time_put::put reads past end of format string
  43 void test03()
  44 {
  45   using namespace std;
  46
  47   ostringstream stream;
  48   time_t tt = time(0);
  49
  50   const char* fmt = "%c";
  51
  52   TP tp;
  53   tp.put(TP::iter_type(stream), stream, stream.fill(), localtime(&tt),
  54          fmt, fmt + 1);
  55   VERIFY( tp.format_chars.empty() );
  56 }
  57
  58 int main()
  59 {
  60   test03();
  61   return 0;
  62 }