libstdc++-v3/testsuite/24_iterators/ostreambuf_iterator/2.cc

   1 // 2001-04-30  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 // 24.5.4 template class ostreambuf_iterator
  21
  22 #include <sstream>
  23 #include <iterator>
  24 #include <testsuite_hooks.h>
  25
  26 void test02(void)
  27 {
  28   typedef std::ostreambuf_iterator<char> costreambuf_iter;
  29   typedef costreambuf_iter::streambuf_type cstreambuf_type;
  30   const char slit01[] = "playa hermosa, liberia, guanacaste";
  31   const char slit02[] = "bodega bay, lost coast, california";
  32   std::string str01(slit01);
  33   std::string str02(slit02);
  34   std::string tmp;
  35   std::stringbuf     strbuf01;
  36   std::stringbuf     strbuf02(str01);
  37   std::ostringstream ostrs00(str01);
  38   std::ostringstream ostrs01(str01);
  39
  40   // ctor sanity checks
  41   costreambuf_iter ostrb_it01(ostrs00);
  42   VERIFY( !ostrb_it01.failed() );
  43   ostrb_it01++;
  44   ++ostrb_it01;
  45   VERIFY( !ostrb_it01.failed() );
  46   ostrb_it01 = 'a';
  47   VERIFY( !ostrb_it01.failed() );
  48   *ostrb_it01;
  49   VERIFY( !ostrb_it01.failed() );
  50
  51   costreambuf_iter ostrb_it02(0);
  52   VERIFY( ostrb_it02.failed() );
  53   ostrb_it02++;
  54   ++ostrb_it02;
  55   VERIFY( ostrb_it02.failed() );
  56   *ostrb_it02;
  57   VERIFY( ostrb_it02.failed() );
  58   ostrb_it02 = 'a';
  59   VERIFY( ostrb_it02.failed() );
  60
  61   // charT operator*() const
  62   // ostreambuf_iterator& operator++();
  63   // ostreambuf_iterator& operator++(int);
  64   costreambuf_iter ostrb_it27(ostrs01);
  65   VERIFY( !ostrb_it27.failed() );
  66   int j = str02.size();
  67   for (int i = 0; i < j; ++i)
  68     ostrb_it27 = str02[i];
  69   VERIFY( !ostrb_it27.failed() );
  70   tmp = ostrs01.str();
  71   VERIFY ( tmp != str01 );
  72   VERIFY ( tmp == str02 );
  73
  74   costreambuf_iter ostrb_it28(ostrs00);
  75   VERIFY( !ostrb_it28.failed() );
  76   j = ostrs00.str().size();
  77   for (int i = 0; i < j + 2; ++i)
  78     ostrb_it28 = 'b';
  79   VERIFY( !ostrb_it28.failed() );
  80   tmp = ostrs00.str();
  81   VERIFY ( tmp != str01 );
  82   VERIFY ( tmp != str02 );
  83 }
  84
  85 int main()
  86 {
  87   test02();
  88   return 0;
  89 }