libstdc++-v3/testsuite/27_io/basic_istream/sentry/wchar_t/3.cc

   1 // Copyright (C) 2004-2024 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
  19 // 27.6.1.1.2 class basic_istream::sentry
  20
  21 #include <istream>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/9562
  26 void
  27 test03()
  28 {
  29   std::wstringbuf strbuf01;
  30   std::wistream strm1(&strbuf01);
  31   const std::wistream::sentry sentry1(strm1);
  32
  33   VERIFY( bool(sentry1) == false );
  34 }
  35
  36 int main()
  37 {
  38   test03();
  39   return 0;
  40 }