libstdc++-v3/testsuite/27_io/basic_istream/readsome/wchar_t/8258.cc

   1 // Copyright (C) 2004 Free Software Foundation
   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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // 27.6.1.3 unformatted input functions
  20
  21 #include <istream>
  22 #include <streambuf>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/8258
  26 class mybuf : public std::basic_streambuf<wchar_t>
  27 { };
  28
  29 void test11()
  30 {
  31   bool test __attribute__((unused)) = true;
  32   using namespace std;
  33   wchar_t arr[10];
  34   mybuf sbuf;
  35   basic_istream<wchar_t, char_traits<wchar_t> > istr(&sbuf);
  36
  37   VERIFY( istr.rdstate() == ios_base::goodbit );
  38   VERIFY( istr.readsome(arr, 10) == 0 );
  39   VERIFY( istr.rdstate() == ios_base::goodbit );
  40 }
  41
  42 int
  43 main()
  44 {
  45   test11();
  46   return 0;
  47 }