libstdc++-v3/testsuite/27_io/basic_istream/peek/wchar_t/12296.cc

   1 // Copyright (C) 2004-2021 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 // 27.6.1.3 unformatted input functions
  19
  20 #include <sstream>
  21 #include <testsuite_hooks.h>
  22
  23 // libstdc++/12296
  24 void test01()
  25 {
  26   using namespace std;
  27
  28   wistringstream stream;
  29   VERIFY( stream.rdstate() == ios_base::goodbit );
  30   wistringstream::int_type c = stream.peek();
  31   VERIFY( c == wistringstream::traits_type::eof() );
  32   VERIFY( stream.rdstate() == ios_base::eofbit );
  33 }
  34
  35 int main()
  36 {
  37   test01();
  38   return 0;
  39 }