old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_istream/getline/wchar_t/3.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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.6.1.3 unformatted input functions
  20
  21 #include <cwchar> // for wcslen
  22 #include <istream>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 // [bug] istream::getline(char*,streamsize) still broken
  27 // http://gcc.gnu.org/ml/libstdc++/2000-07/msg00126.html
  28 // brent verner <brent at rcfile dot org
  29 void
  30 test06()
  31 {
  32   using namespace std;
  33
  34   bool test __attribute__((unused)) = true;
  35   const streamsize it = 5;
  36   wchar_t tmp[it];
  37   const wchar_t* str_lit = L"abcd\n";
  38
  39   wstringbuf strbuf(str_lit, std::ios_base::in);
  40   wistream istr(&strbuf);
  41
  42   istr.getline(tmp,it);
  43   VERIFY( istr.gcount() == it );  // extracted whole string
  44   VERIFY( wcslen(tmp) == 4 );     // stored all but '\n'
  45   VERIFY( !istr.eof() );          // extracted up to but not eof
  46   VERIFY( !istr.fail() );         // failbit not set
  47
  48   wchar_t c = L'z';
  49   istr.get(c);
  50   VERIFY( c == L'z' );
  51   VERIFY( istr.eof() );
  52 }
  53
  54 int
  55 main()
  56 {
  57   test06();
  58   return 0;
  59 }