libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/char/5.cc

   1 // 1999-08-16 bkoz
   2
   3 // Copyright (C) 1999-2022 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 // ostringstream and large strings number 2
  28 void
  29 test05()
  30 {
  31   std::string str05, str10;
  32
  33   typedef std::ostream::pos_type        pos_type;
  34   typedef std::ostream::off_type        off_type;
  35   std::string str01;
  36   const int size = 1000;
  37
  38   // initialize string
  39   for(int i=0 ; i < size; i++) {
  40     str01 += '1';
  41     str01 += '2';
  42     str01 += '3';
  43     str01 += '4';
  44     str01 += '5';
  45     str01 += '6';
  46     str01 += '7';
  47     str01 += '8';
  48     str01 += '9';
  49     str01 += '\n';
  50   }
  51
  52   // test 1: out
  53   std::ostringstream sstr01(str01, std::ios_base::out);
  54   std::ostringstream sstr02;
  55   sstr02 << str01;
  56   str05 = sstr01.str();
  57   str10 = sstr02.str();
  58   VERIFY( str05 == str01 );
  59   VERIFY( str10 == str01 );
  60
  61   // test 2: in | out
  62   std::ostringstream sstr04(str01,  std::ios_base::out | std::ios_base::in);
  63   std::ostringstream sstr05(std::ios_base::in | std::ios_base::out);
  64   sstr05 << str01;
  65   str05 = sstr04.str();
  66   str10 = sstr05.str();
  67   VERIFY( str05 == str01 );
  68   VERIFY( str10 == str01 );
  69 }
  70
  71 int main()
  72 {
  73   test05();
  74   return 0;
  75 }