libstdc++-v3/testsuite/27_io/basic_ostream/ends/char/2.cc

   1 // 1999-07-22 bkoz
   2
   3 // Copyright (C) 1994, 1999, 2000, 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 // 27.6.2.7 standard basic_ostream manipulators
  22
  23 #include <ostream>
  24 #include <sstream>
  25 #include <stdexcept>
  26 #include <testsuite_hooks.h>
  27
  28 // based vaguely on this:
  29 // http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00109.html
  30 void test02()
  31 {
  32   using namespace std;
  33   typedef ostringstream::int_type int_type;
  34
  35   bool test __attribute__((unused)) = true;
  36   ostringstream osst_01;
  37   const string str_00("herbie_hancock");
  38   int_type len1 = str_00.size();
  39   osst_01 << str_00;
  40   VERIFY( static_cast<int_type>(osst_01.str().size()) == len1 );
  41
  42   osst_01 << ends;
  43
  44   const string str_01("speak like a child");
  45   int_type len2 = str_01.size();
  46   osst_01 << str_01;
  47   int_type len3 = osst_01.str().size();
  48   VERIFY( len1 < len3 );
  49   VERIFY( len3 == len1 + len2 + 1 );
  50
  51   osst_01 << ends;
  52
  53   const string str_02("+ inventions and dimensions");
  54   int_type len4 = str_02.size();
  55   osst_01 << str_02;
  56   int_type len5 = osst_01.str().size();
  57   VERIFY( len3 < len5 );
  58   VERIFY( len5 == len3 + len4 + 1 );
  59 }
  60
  61 int main()
  62 {
  63   test02();
  64   return 0;
  65 }