old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_stringbuf/str/char/2.cc

   1 // 981208 bkoz test functionality of basic_stringbuf for char_type == char
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 // http://gcc.gnu.org/ml/libstdc++/2003-02/msg00269.html
  26 // Growing and then seeking to ios_base::beg triggered a bug in str(),
  27 // which didn't notice the grow.
  28 void test07()
  29 {
  30   bool test __attribute__((unused)) = true;
  31
  32   std::stringbuf strb_01;
  33   strb_01.sputc('s');
  34   strb_01.pubseekoff(0, std::ios_base::beg);
  35   std::string tmp = strb_01.str();
  36   VERIFY( tmp == "s" );
  37
  38   std::string str("strivi,");
  39   std::stringbuf strb_02(str);
  40   strb_02.pubseekoff(0, std::ios_base::end);
  41   strb_02.sputn(" no better!", 11);
  42   strb_02.pubseekoff(0, std::ios_base::beg);
  43   tmp = strb_02.str();
  44   VERIFY( tmp == "strivi, no better!" );
  45 }
  46
  47 int main()
  48 {
  49   test07();
  50   return 0;
  51 }
  52
  53
  54
  55 // more candy!!!