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

   1 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2014 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 // { dg-require-fileio "" }
  23
  24 #include <fstream>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_io.h>
  27
  28 // @require@ %-*.tst %-*.txt
  29 // @diff@ %-*.tst %*.txt
  30
  31 const char name_02[] = "tmp_sputc_2out.tst"; // empty file, need to create
  32
  33 void test05()
  34 {
  35   using namespace std;
  36   using namespace __gnu_test;
  37
  38   typedef filebuf::int_type     int_type;
  39   typedef filebuf::traits_type  traits_type;
  40
  41   bool test __attribute__((unused)) = true;
  42   int_type                      c1, c2;
  43
  44   // int_type sputc(char_type c)
  45   // if out_cur not avail, return overflow(traits_type::to_int_type(c))
  46   // else, stores c at out_cur,
  47   // increments out_cur, and returns c as int_type
  48
  49   // out
  50   {
  51     constraint_filebuf fb_02;
  52     fb_02.pubsetbuf(0, 0);
  53     fb_02.open(name_02, ios_base::out | ios_base::trunc);
  54     VERIFY( fb_02.unbuffered() );
  55     VERIFY( !fb_02.read_position() );
  56     c1 = fb_02.sputc('a');
  57     VERIFY( c1 == 'a' );
  58     c2 = fb_02.sputc('c');
  59     VERIFY( c2 == 'c' );
  60     for (int i = 50; i <= 90; ++i)
  61       c2 = fb_02.sputc(char(i));
  62     VERIFY( fb_02.unbuffered() );
  63     VERIFY( !fb_02.read_position() );
  64   }
  65 }
  66
  67 int main()
  68 {
  69   test05();
  70   return 0;
  71 }