libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/char/3.cc

   1 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2020 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 27.8.1.4 Overridden virtual functions
  21
  22 #include <sstream>
  23 #include <cstring>
  24 #include <testsuite_hooks.h>
  25
  26 void test02()
  27 {
  28   using namespace std;
  29
  30   char buf[512];
  31   const char* strlit = "how to tell a story and other essays: mark twain";
  32   const size_t strlitsize = std::strlen(strlit);
  33   string s("tmp");
  34   stringbuf sbuf(s, ios_base::out);
  35   sbuf.pubsetbuf(buf, strlitsize);
  36   sbuf.sputn(strlit, strlitsize);
  37   VERIFY( std::strncmp(strlit, buf, strlitsize) == 0 );
  38 }
  39
  40 int main()
  41 {
  42   test02();
  43   return 0;
  44 }