libstdc++-v3/testsuite/22_locale/num_get/get/char/3.cc

   1 // 2001-11-21 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 // 22.2.2.1.1  num_get members
  22
  23 #include <locale>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 void test03()
  28 {
  29   using namespace std;
  30   typedef istreambuf_iterator<char> 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<char>& numpunct_c = use_facet<numpunct<char> >(loc_c);
  46   const numpunct<char>& numpunct_de = use_facet<numpunct<char> >(loc_de);
  47   const numpunct<char>& numpunct_hk = use_facet<numpunct<char> >(loc_hk);
  48
  49   // sanity check the data is correct.
  50   const string empty;
  51   char c;
  52
  53   bool b1 = true;
  54   bool b0 = false;
  55   long l1 = 2147483647;
  56   long l2 = -2147483647;
  57   long l;
  58   unsigned long ul1 = 1294967294;
  59   unsigned long ul2 = 0;
  60   unsigned long ul;
  61   double d1 =  1.02345e+308;
  62   double d2 = 3.15e-308;
  63   double d;
  64   long double ld1 = 6.630025e+4;
  65   long double ld2 = 0.0;
  66   long double ld;
  67   void* v;
  68   const void* cv = &ul2;
  69
  70   // cache the num_get facet
  71   istringstream iss;
  72   iss.imbue(loc_hk);
  73   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc());
  74   const ios_base::iostate goodbit = ios_base::goodbit;
  75   const ios_base::iostate eofbit = ios_base::eofbit;
  76   ios_base::iostate err = ios_base::goodbit;
  77
  78   // HK
  79   // long, in a locale that expects grouping
  80   iss.str("2,147,483,647 ");
  81   iss.clear();
  82   err = goodbit;
  83   ng.get(iss.rdbuf(), 0, iss, err, l);
  84   VERIFY( l == l1 );
  85   VERIFY( err == goodbit );
  86
  87   iss.str("-2,147,483,647++++++");
  88   iss.clear();
  89   err = goodbit;
  90   ng.get(iss.rdbuf(), 0, iss, err, l);
  91   VERIFY( l == l2 );
  92   VERIFY( err == goodbit );
  93 }
  94
  95 int main()
  96 {
  97   test03();
  98   return 0;
  99 }
 100
 101
 102 // Kathleen Hannah, humanitarian, woman, art-thief