libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/wchar_t/8.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 void test08()
  28 {
  29   char* pt = 0;
  30
  31   // 2
  32   std::wostringstream woss;
  33   woss << pt;
  34   VERIFY( woss.bad() );
  35   VERIFY( woss.str().size() == 0 );
  36
  37   woss.clear();
  38   woss << "";
  39   VERIFY( woss.good() );
  40
  41   // 3
  42   wchar_t* wt = 0;
  43   woss.clear();
  44   woss << wt;
  45   VERIFY( woss.bad() );
  46   VERIFY( woss.str().size() == 0 );
  47
  48   woss.clear();
  49   woss << L"";
  50   VERIFY( woss.good() );
  51 }
  52
  53 int main()
  54 {
  55   test08();
  56   return 0;
  57 }