libstdc++-v3/testsuite/27_io/basic_filebuf/setbuf/char/2.cc

   1 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
   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 // 27.8.1.4 Overridden virtual functions
  23
  24 // { dg-require-fileio "" }
  25
  26 #include <fstream>
  27 #include <cstring>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   using namespace std;
  33
  34   bool test __attribute__((unused)) = true;
  35   char buf[512];
  36   const char* strlit = "how to tell a story and other essays: mark twain";
  37   const size_t strlitsize = std::strlen(strlit);
  38   filebuf fbuf;
  39   fbuf.pubsetbuf(buf, 512);
  40   fbuf.open("tmp_setbuf2", ios_base::out);
  41   fbuf.sputn(strlit, strlitsize);
  42   VERIFY( std::strncmp(strlit, buf, strlitsize) == 0 );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }