libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/char/4.cc

   1 // 1999-08-16 bkoz
   2
   3 // Copyright (C) 1999-2021 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 // 27.6.2.5.4 basic_ostream character inserters
  21
  22 #include <string>
  23 #include <ostream>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 // stringstream and large strings
  28 void
  29 test04()
  30 {
  31   std::string str_01;
  32   std::string str_tmp;
  33   const int i_max=250;
  34
  35   std::ostringstream oss_02(str_01, std::ios_base::out);
  36
  37   // template<_CharT, _Traits>
  38   //  basic_ostream& operator<<(ostream&, const char*)
  39   for (int i = 0; i < i_max; ++i)
  40     oss_02 << "Test: " << i << std::endl;
  41   str_tmp = oss_02.str();
  42   VERIFY( !oss_02.bad() );
  43   VERIFY( oss_02.good() );
  44   VERIFY( str_tmp != str_01 );
  45   VERIFY( str_tmp.size() == 2390 );
  46 }
  47
  48 int main()
  49 {
  50   test04();
  51   return 0;
  52 }