libstdc++-v3/testsuite/27_io/basic_filebuf/sputn/char/9339.cc

   1 // Copyright (C) 2003-2020 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-require-fileio "" }
  19
  20 #include <fstream>
  21 #include <testsuite_hooks.h>
  22
  23 // libstdc++/9339
  24 void test01()
  25 {
  26   using namespace std;
  27
  28   filebuf fbuf01;
  29   int len = 35;
  30   fbuf01.pubsetbuf(0, 0);
  31   fbuf01.open("tmp_9339", ios_base::out | ios_base::trunc);
  32   streamsize s1 = fbuf01.sputn("Pete Goldlust @ Carl Hammer Gallery", len);
  33   VERIFY( s1 == len );
  34   fbuf01.close();
  35
  36   filebuf fbuf02;
  37   char buf[256];
  38   fbuf02.open("tmp_9339", ios_base::in);
  39   streamsize s2 = fbuf02.sgetn(buf, 256);
  40   VERIFY( s2 == len );
  41   fbuf02.close();
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }