libstdc++-v3/testsuite/27_io/basic_istream/ignore/wchar_t/96161.cc

   1 // Copyright (C) 2020-2023 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 // { dg-do run }
  19
  20 // PR libstdc++/96161
  21 // basic_istream::ignore sets eofbit too soon
  22
  23 #include <sstream>
  24 #include <limits>
  25 #include <testsuite_hooks.h>
  26
  27 typedef wchar_t C;
  28
  29 void
  30 test01()
  31 {
  32   std::basic_istringstream<C> s(L"  ");
  33   s.ignore(2, L'+');
  34   VERIFY( s.gcount() == 2 );
  35   VERIFY( s.good() );
  36   VERIFY( s.get() == std::char_traits<C>::eof() );
  37   VERIFY( s.eof() );
  38 }
  39
  40 void
  41 test02()
  42 {
  43   std::basic_istringstream<C> s(L"  ");
  44   s.ignore(2);
  45   VERIFY( s.gcount() == 2 );
  46   VERIFY( s.good() );
  47   VERIFY( s.get() == std::char_traits<C>::eof() );
  48   VERIFY( s.eof() );
  49 }
  50
  51 void
  52 test03()
  53 {
  54   std::basic_istringstream<C, __gnu_cxx::char_traits<C> > s(L"  ");
  55   s.ignore(2, L'+');
  56   VERIFY( s.gcount() == 2 );
  57   VERIFY( s.good() );
  58   VERIFY( s.get() == __gnu_cxx::char_traits<C>::eof() );
  59   VERIFY( s.eof() );
  60 }
  61
  62 void
  63 test04()
  64 {
  65   std::basic_istringstream<C, __gnu_cxx::char_traits<C> > s(L"  ");
  66   s.ignore(2);
  67   VERIFY( s.gcount() == 2 );
  68   VERIFY( s.good() );
  69   VERIFY( s.get() == __gnu_cxx::char_traits<C>::eof() );
  70   VERIFY( s.eof() );
  71 }
  72
  73 int main()
  74 {
  75   test01();
  76   test02();
  77   test03();
  78   test04();
  79 }