libstdc++-v3/testsuite/27_io/basic_istream/get/wchar_t/2.cc

   1 // Copyright (C) 2004-2020 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 // @require@ %-*.tst %-*.txt
  20 // @diff@ %-*.tst %-*.txt
  21
  22 // { dg-require-fileio "" }
  23
  24 #include <istream>
  25 #include <sstream>
  26 #include <fstream>
  27 #include <testsuite_hooks.h>
  28
  29 //libstdc++/92: Bug in istream::get(basic_streambuf*)
  30 // bug reported by bgarcia@laurelnetworks.com
  31 // http://gcc.gnu.org/ml/libstdc++-prs/2000-q3/msg00041.html
  32 void
  33 test07()
  34 {
  35   const char* tfn = "istream_unformatted-1.txt";
  36   std::wifstream infile;
  37   infile.open(tfn);
  38   VERIFY( !(!infile) );
  39   while (infile)
  40     {
  41       std::wstring line;
  42       std::wostringstream line_ss;
  43       while (infile.peek() == L'\n')
  44         infile.get();
  45       infile.get(*(line_ss.rdbuf()));
  46       line = line_ss.str();
  47       VERIFY( line == L"1234567890" || line == L"" );
  48     }
  49 }
  50
  51 int
  52 main()
  53 {
  54   test07();
  55   return 0;
  56 }