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

   1 // 2001-04-30  Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2003 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 // 24.5.4 template class ostreambuf_iterator
  22
  23 #include <sstream>
  24 #include <iterator>
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   using namespace std;
  30
  31   // Check for required base class.
  32   typedef ostreambuf_iterator<char> test_iterator;
  33   typedef iterator<output_iterator_tag, void, void, void, void> base_iterator;
  34   ostringstream osstream("this tag");
  35   test_iterator  r_it(osstream);
  36   base_iterator* base __attribute__((unused)) = &r_it;
  37
  38   // Check for required typedefs
  39   typedef test_iterator::value_type value_type;
  40   typedef test_iterator::difference_type difference_type;
  41   typedef test_iterator::pointer pointer;
  42   typedef test_iterator::reference reference;
  43   typedef test_iterator::iterator_category iteratory_category;
  44
  45   typedef test_iterator::char_type char_type;
  46   typedef test_iterator::traits_type traits_type;
  47   typedef test_iterator::ostream_type ostream_type;
  48   typedef test_iterator::streambuf_type streambuf_type;
  49 }
  50
  51 bool test02(void)
  52 {
  53   typedef std::ostreambuf_iterator<char> costreambuf_iter;
  54   typedef costreambuf_iter::streambuf_type cstreambuf_type;
  55   bool test __attribute__((unused)) = true;
  56   const char slit01[] = "playa hermosa, liberia, guanacaste";
  57   const char slit02[] = "bodega bay, lost coast, california";
  58   std::string str01(slit01);
  59   std::string str02(slit02);
  60   std::string tmp;
  61   std::stringbuf     strbuf01;
  62   std::stringbuf     strbuf02(str01);
  63   std::ostringstream ostrs00(str01);
  64   std::ostringstream ostrs01(str01);
  65
  66   // ctor sanity checks
  67   costreambuf_iter ostrb_it01(ostrs00);
  68   VERIFY( !ostrb_it01.failed() );
  69   ostrb_it01++;
  70   ++ostrb_it01;
  71   VERIFY( !ostrb_it01.failed() );
  72   ostrb_it01 = 'a';
  73   VERIFY( !ostrb_it01.failed() );
  74   *ostrb_it01;
  75   VERIFY( !ostrb_it01.failed() );
  76
  77   costreambuf_iter ostrb_it02(NULL);
  78   VERIFY( ostrb_it02.failed() );
  79   ostrb_it02++;
  80   ++ostrb_it02;
  81   VERIFY( ostrb_it02.failed() );
  82   *ostrb_it02;
  83   VERIFY( ostrb_it02.failed() );
  84   ostrb_it02 = 'a';
  85   VERIFY( ostrb_it02.failed() );
  86
  87   // charT operator*() const
  88   // ostreambuf_iterator& operator++();
  89   // ostreambuf_iterator& operator++(int);
  90   costreambuf_iter ostrb_it27(ostrs01);
  91   VERIFY( !ostrb_it27.failed() );
  92   int j = str02.size();
  93   for (int i = 0; i < j; ++i)
  94     ostrb_it27 = str02[i];
  95   VERIFY( !ostrb_it27.failed() );
  96   tmp = ostrs01.str();
  97   VERIFY ( tmp != str01 );
  98   VERIFY ( tmp == str02 );
  99
 100   costreambuf_iter ostrb_it28(ostrs00);
 101   VERIFY( !ostrb_it28.failed() );
 102   j = ostrs00.str().size();
 103   for (int i = 0; i < j + 2; ++i)
 104     ostrb_it28 = 'b';
 105   VERIFY( !ostrb_it28.failed() );
 106   tmp = ostrs00.str();
 107   VERIFY ( tmp != str01 );
 108   VERIFY ( tmp != str02 );
 109   return test;
 110 }
 111
 112 int main()
 113 {
 114   test01();
 115   test02();
 116
 117   return 0;
 118 }