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

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003 Free Software Foundation
   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 // 22.2.2.2.1  num_put members
  22
  23 #include <locale>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 void test02()
  28 {
  29   using namespace std;
  30   typedef ostreambuf_iterator<wchar_t> iterator_type;
  31
  32   bool test = true;
  33
  34   // basic construction
  35   locale loc_c = locale::classic();
  36   locale loc_hk("en_HK");
  37   locale loc_fr("fr_FR@euro");
  38   locale loc_de("de_DE");
  39   VERIFY( loc_c != loc_de );
  40   VERIFY( loc_hk != loc_fr );
  41   VERIFY( loc_hk != loc_de );
  42   VERIFY( loc_de != loc_fr );
  43
  44   // cache the numpunct facets
  45   const numpunct<wchar_t>& numpunct_c = use_facet<numpunct<wchar_t> >(loc_c);
  46   const numpunct<wchar_t>& numpunct_de = use_facet<numpunct<wchar_t> >(loc_de);
  47   const numpunct<wchar_t>& numpunct_hk = use_facet<numpunct<wchar_t> >(loc_hk);
  48
  49   // sanity check the data is correct.
  50   const wstring empty;
  51   wstring result1;
  52   wstring result2;
  53   char c;
  54
  55   bool b1 = true;
  56   bool b0 = false;
  57   long l1 = 2147483647;
  58   long l2 = -2147483647;
  59   unsigned long ul1 = 1294967294;
  60   unsigned long ul2 = 0;
  61   double d1 =  1.7976931348623157e+308;
  62   double d2 = 2.2250738585072014e-308;
  63   long double ld1 = 1.7976931348623157e+308;
  64   long double ld2 = 2.2250738585072014e-308;
  65   const void* cv = &ld1;
  66
  67   // cache the num_put facet
  68   wostringstream oss;
  69   oss.imbue(loc_c);
  70   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  71
  72   // C
  73   // bool, more twisted examples
  74   oss.str(empty);
  75   oss.width(20);
  76   oss.setf(ios_base::right, ios_base::adjustfield);
  77   np.put(oss.rdbuf(), oss, '+', b0);
  78   result1 = oss.str();
  79   VERIFY( result1 == L"+++++++++++++++++++0" );
  80
  81   oss.str(empty);
  82   oss.width(20);
  83   oss.setf(ios_base::left, ios_base::adjustfield);
  84   oss.setf(ios_base::boolalpha);
  85   np.put(oss.rdbuf(), oss, '+', b1);
  86   result2 = oss.str();
  87   VERIFY( result2 == L"true++++++++++++++++" );
  88
  89   // unsigned long, in a locale that does not group
  90   oss.imbue(loc_c);
  91   oss.str(empty);
  92   oss.clear();
  93   np.put(oss.rdbuf(), oss, '+', ul1);
  94   result1 = oss.str();
  95   VERIFY( result1 == L"1294967294" );
  96
  97   oss.str(empty);
  98   oss.clear();
  99   oss.width(20);
 100   oss.setf(ios_base::left, ios_base::adjustfield);
 101   np.put(oss.rdbuf(), oss, '+', ul2);
 102   result1 = oss.str();
 103   VERIFY( result1 == L"0+++++++++++++++++++" );
 104 }
 105
 106 int main()
 107 {
 108   test02();
 109   return 0;
 110 }
 111
 112