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

   1 // 1999-08-11 bkoz
   2
   3 // Copyright (C) 1999-2023 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 27.6.1.3 unformatted input functions
  21 // @require@ %-*.tst %-*.txt
  22 // @diff@ %-*.tst %-*.txt
  23
  24 // { dg-require-fileio "" }
  25
  26 #include <istream>
  27 #include <sstream>
  28 #include <fstream>
  29 #include <testsuite_hooks.h>
  30
  31 //libstdc++/92: Bug in istream::get(basic_streambuf*)
  32 // bug reported by bgarcia@laurelnetworks.com
  33 // http://gcc.gnu.org/ml/libstdc++-prs/2000-q3/msg00041.html
  34 void
  35 test07()
  36 {
  37   const char* tfn = "istream_unformatted-1.txt";
  38   std::ifstream infile;
  39   infile.open(tfn);
  40   VERIFY( !(!infile) );
  41   while (infile)
  42     {
  43       std::string line;
  44       std::ostringstream line_ss;
  45       while (infile.peek() == '\n')
  46         infile.get();
  47       infile.get(*(line_ss.rdbuf()));
  48       line = line_ss.str();
  49       VERIFY( line == "1234567890" || line == "" );
  50     }
  51 }
  52
  53 int
  54 main()
  55 {
  56   test07();
  57   return 0;
  58 }