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

   1 // Copyright (C) 2005-2020 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 // 27.6.2.5.4 basic_ostream character inserters
  19
  20 #include <string>
  21 #include <ostream>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 // ostringstream and large strings number 2
  26 void
  27 test05()
  28 {
  29   std::wstring str05, str10;
  30
  31   typedef std::wostream::pos_type       pos_type;
  32   typedef std::wostream::off_type       off_type;
  33   std::wstring str01;
  34   const int size = 1000;
  35
  36   // initialize string
  37   for(int i=0 ; i < size; i++) {
  38     str01 += L'1';
  39     str01 += L'2';
  40     str01 += L'3';
  41     str01 += L'4';
  42     str01 += L'5';
  43     str01 += L'6';
  44     str01 += L'7';
  45     str01 += L'8';
  46     str01 += L'9';
  47     str01 += L'\n';
  48   }
  49
  50   // test 1: out
  51   std::wostringstream sstr01(str01, std::ios_base::out);
  52   std::wostringstream sstr02;
  53   sstr02 << str01;
  54   str05 = sstr01.str();
  55   str10 = sstr02.str();
  56   VERIFY( str05 == str01 );
  57   VERIFY( str10 == str01 );
  58
  59   // test 2: in | out
  60   std::wostringstream sstr04(str01,  std::ios_base::out | std::ios_base::in);
  61   std::wostringstream sstr05(std::ios_base::in | std::ios_base::out);
  62   sstr05 << str01;
  63   str05 = sstr04.str();
  64   str10 = sstr05.str();
  65   VERIFY( str05 == str01 );
  66   VERIFY( str10 == str01 );
  67 }
  68
  69 int main()
  70 {
  71   test05();
  72   return 0;
  73 }