libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/9.cc

   1 // 1999-07-01 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 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 // 21.3.7.9 inserters and extractors
  22
  23 // NB: This file is predicated on sstreams, istreams, and ostreams
  24 // working, not to mention other major details like char_traits, and
  25 // all of the string class.
  26
  27 #include <string>
  28 #include <sstream>
  29 #include <iomanip>
  30 #include <testsuite_hooks.h>
  31
  32 // libstdc++/2830
  33 void test09()
  34 {
  35   bool test __attribute__((unused)) = true;
  36   std::string blanks( 3, '\0');
  37   std::string foo = "peace";
  38   foo += blanks;
  39   foo += "& love";
  40
  41   std::ostringstream oss1;
  42   oss1 << foo;
  43   VERIFY( oss1.str() == foo );
  44
  45   std::ostringstream oss2;
  46   oss2.width(20);
  47   oss2 << foo;
  48   VERIFY( oss2.str() != foo );
  49   VERIFY( oss2.str().size() == 20 );
  50 }
  51
  52 int main()
  53 {
  54   test09();
  55   return 0;
  56 }