libstdc++-v3/testsuite/25_algorithms/copy/streambuf_iterators/char/3.cc

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006-2014 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 #include <iterator>
  21 #include <sstream>
  22 #include <algorithm>
  23 #include <testsuite_hooks.h>
  24
  25 // In the occasion of libstdc++/25482
  26 void test01()
  27 {
  28   bool test __attribute__((unused)) = true;
  29   using namespace std;
  30
  31   typedef ostreambuf_iterator<char> out_iterator_type;
  32
  33   const char data1[] = "Drei Phantasien nach Friedrich Holderlin";
  34   const string str1(data1);
  35   const char* beg1 = data1;
  36   const char* end1 = beg1 + str1.size();
  37
  38   ostringstream oss1;
  39   out_iterator_type out1(oss1);
  40
  41   out1 = copy(beg1, beg1, out1);
  42   VERIFY( oss1.str().empty() );
  43
  44   out1 = copy(end1, end1, out1);
  45   VERIFY( oss1.str().empty() );
  46
  47   out1 = copy(beg1, end1, out1);
  48   VERIFY( oss1.str() == str1 );
  49   *out1 = 'x';
  50   VERIFY( oss1.str() == str1 + 'x' );
  51   oss1.str("");
  52
  53   oss1.seekp(0);
  54   oss1.str("");
  55   out1 = copy(beg1, end1, out1);
  56   VERIFY( oss1.str() == str1 );
  57   *out1 = 'y';
  58   VERIFY( oss1.str() == str1 + 'y' );
  59   oss1.str("");
  60   out1 = copy(beg1, end1, out1);
  61   VERIFY( oss1.str() == str1 );
  62
  63   out1 = copy(beg1, end1, out1);
  64   VERIFY( oss1.str() == str1 + str1 );
  65 }
  66
  67 int main()
  68 {
  69   test01();
  70   return 0;
  71 }