libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc

   1 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001 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 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 // 27.8.1.4 Overridden virtual functions
  22
  23 #include <fstream>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   bool test = true;
  31   char buf[512];
  32   const char* strlit = "how to tell a story and other essays: mark twain";
  33   const size_t strlitsize = std::strlen(strlit);
  34   filebuf fbuf01;
  35
  36   fbuf01.pubsetbuf(buf, 512);
  37   fbuf01.sputn(strlit, strlitsize);
  38   VERIFY( std::strncmp(strlit, buf, strlitsize) != 0 );
  39 }
  40
  41 void test02()
  42 {
  43   using namespace std;
  44
  45   bool test = true;
  46   char buf[512];
  47   const char* strlit = "how to tell a story and other essays: mark twain";
  48   const size_t strlitsize = std::strlen(strlit);
  49   filebuf fbuf01;
  50   fbuf01.open("tmp", ios_base::out);
  51
  52   fbuf01.pubsetbuf(buf, strlitsize);
  53   fbuf01.sputn(strlit, strlitsize);
  54   VERIFY( std::strncmp(strlit, buf, strlitsize) == 0 );
  55 }
  56
  57 main()
  58 {
  59   test01();
  60   test02();
  61   return 0;
  62 }