libstdc++-v3/testsuite/22_locale/num_put/put/char/2.cc

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2013 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 // 22.2.2.2.1  num_put members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 void test02()
  27 {
  28   using namespace std;
  29   typedef ostreambuf_iterator<char> iterator_type;
  30
  31   bool test __attribute__((unused)) = true;
  32
  33   // basic construction
  34   locale loc_c = locale::classic();
  35
  36   // sanity check the data is correct.
  37   const string empty;
  38   string result1;
  39   string result2;
  40
  41   bool b1 = true;
  42   bool b0 = false;
  43   unsigned long ul1 = 1294967294;
  44   unsigned long ul2 = 0;
  45
  46   // cache the num_put facet
  47   ostringstream oss;
  48   oss.imbue(loc_c);
  49   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  50
  51   // C
  52   // bool, more twisted examples
  53   oss.str(empty);
  54   oss.width(20);
  55   oss.setf(ios_base::right, ios_base::adjustfield);
  56   np.put(oss.rdbuf(), oss, '+', b0);
  57   result1 = oss.str();
  58   VERIFY( result1 == "+++++++++++++++++++0" );
  59
  60   oss.str(empty);
  61   oss.width(20);
  62   oss.setf(ios_base::left, ios_base::adjustfield);
  63   oss.setf(ios_base::boolalpha);
  64   np.put(oss.rdbuf(), oss, '+', b1);
  65   result2 = oss.str();
  66   VERIFY( result2 == "true++++++++++++++++" );
  67
  68   // unsigned long, in a locale that does not group
  69   oss.imbue(loc_c);
  70   oss.str(empty);
  71   oss.clear();
  72   np.put(oss.rdbuf(), oss, '+', ul1);
  73   result1 = oss.str();
  74   VERIFY( result1 == "1294967294" );
  75
  76   oss.str(empty);
  77   oss.clear();
  78   oss.width(20);
  79   oss.setf(ios_base::left, ios_base::adjustfield);
  80   np.put(oss.rdbuf(), oss, '+', ul2);
  81   result1 = oss.str();
  82   VERIFY( result1 == "0+++++++++++++++++++" );
  83 }
  84
  85 int main()
  86 {
  87   test02();
  88   return 0;
  89 }
  90
  91