old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_stringstream/str/wchar_t/3.cc

   1 // Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.7.6 member functions (stringstream_members)
  20
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test03()
  26 {
  27   bool test __attribute__((unused)) = true;
  28
  29   //
  30   // 1: Automatic formatting of a compound string
  31   //
  32   int i = 1024;
  33   int *pi = &i;
  34   double d = 3.14159;
  35   double *pd = &d;
  36   std::wstring blank;
  37   std::wostringstream ostrst01;
  38   std::wostringstream ostrst02(blank);
  39
  40   // No buffer, so should be created.
  41   ostrst01 << L"i: " << i << L" i's address:  " << pi << L'\n'
  42              << L"d: " << d << L" d's address: " << pd << std::endl;
  43   // Buffer, so existing buffer should be overwritten.
  44   ostrst02 << L"i: " << i << L" i's address:  " << pi << L'\n'
  45              << L"d: " << d << L" d's address: " << pd << std::endl;
  46
  47   std::wstring msg01 = ostrst01.str();
  48   std::wstring msg02 = ostrst02.str();
  49   VERIFY( msg01 == msg02 );
  50   VERIFY( msg02 != blank );
  51 }
  52
  53 int main()
  54 {
  55   test03();
  56   return 0;
  57 }