libstdc++-v3/testsuite/27_io/basic_istream/getline/char/3.cc

   1 // 1999-08-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 27.6.1.3 unformatted input functions
  22 // @require@ %-*.tst %-*.txt
  23 // @diff@ %-*.tst %-*.txt
  24
  25 #include <cstring> // for strncmp,...
  26 #include <istream>
  27 #include <sstream>
  28 #include <fstream>
  29 #include <testsuite_hooks.h>
  30
  31 // [bug] istream::getline(char*,streamsize) still broken
  32 // http://gcc.gnu.org/ml/libstdc++/2000-07/msg00126.html
  33 // brent verner <brent at rcfile dot org
  34 void
  35 test06()
  36 {
  37   using namespace std;
  38
  39   bool test __attribute__((unused)) = true;
  40   const streamsize it = 5;
  41   char tmp[it];
  42   const char* str_lit = "abcd\n";
  43
  44   stringbuf strbuf(str_lit, std::ios_base::in);
  45   istream istr(&strbuf);
  46
  47   istr.getline(tmp,it);
  48   VERIFY( istr.gcount() == it );  // extracted whole string
  49   VERIFY( strlen(tmp) == 4 );     // stored all but '\n'
  50   VERIFY( !istr.eof() );          // extracted up to but not eof
  51   VERIFY( !istr.fail() );         // failbit not set
  52
  53   char c = 'z';
  54   istr.get(c);
  55   VERIFY( c == 'z' );
  56   VERIFY( istr.eof() );
  57 }
  58
  59 int
  60 main()
  61 {
  62   test06();
  63   return 0;
  64 }