libstdc++-v3/testsuite/22_locale/num_get/get/char/4.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 // 2002-01-10  David Seymour  <seymour_dj@yahoo.com>
  28 // libstdc++/5331
  29 void test04()
  30 {
  31   using namespace std;
  32   bool test = true;
  33
  34   // Check num_get works with other iterators besides streambuf
  35   // output iterators. (As long as output_iterator requirements are met.)
  36   typedef string::const_iterator iter_type;
  37   typedef num_get<char, iter_type> num_get_type;
  38   const ios_base::iostate goodbit = ios_base::goodbit;
  39   const ios_base::iostate eofbit = ios_base::eofbit;
  40   ios_base::iostate err = ios_base::goodbit;
  41   const locale loc_c = locale::classic();
  42   const string str("20000106 Elizabeth Durack");
  43   const string str2("0 true 0xbffff74c Durack");
  44
  45   istringstream iss; // need an ios, add my num_get facet
  46   iss.imbue(locale(loc_c, new num_get_type));
  47
  48   // Iterator advanced, state, output.
  49   const num_get_type& ng = use_facet<num_get_type>(iss.getloc());
  50
  51   // 01 get(long)
  52   // 02 get(long double)
  53   // 03 get(bool)
  54   // 04 get(void*)
  55
  56   // 01 get(long)
  57   long i = 0;
  58   err = goodbit;
  59   iter_type end1 = ng.get(str.begin(), str.end(), iss, err, i);
  60   string rem1(end1, str.end());
  61   VERIFY( err == goodbit );
  62   VERIFY( i == 20000106);
  63   VERIFY( rem1 == " Elizabeth Durack" );
  64
  65   // 02 get(long double)
  66   long double ld = 0.0;
  67   err = goodbit;
  68   iter_type end2 = ng.get(str.begin(), str.end(), iss, err, ld);
  69   string rem2(end2, str.end());
  70   VERIFY( err == goodbit );
  71   VERIFY( ld == 20000106);
  72   VERIFY( rem2 == " Elizabeth Durack" );
  73
  74   // 03 get(bool)
  75   bool b = 1;
  76   iss.clear();
  77   err = goodbit;
  78   iter_type end3 = ng.get(str2.begin(), str2.end(), iss, err, b);
  79   string rem3(end3, str2.end());
  80   VERIFY( err == goodbit );
  81   VERIFY( b == 0 );
  82   VERIFY( rem3 == " true 0xbffff74c Durack" );
  83
  84   iss.clear();
  85   err = goodbit;
  86   iss.setf(ios_base::boolalpha);
  87   iter_type end4 = ng.get(++end3, str2.end(), iss, err, b);
  88   string rem4(end4, str2.end());
  89   VERIFY( err == goodbit );
  90   VERIFY( b == true );
  91   VERIFY( rem4 == " 0xbffff74c Durack" );
  92
  93   // 04 get(void*)
  94   void* v;
  95   iss.clear();
  96   err = goodbit;
  97   iss.setf(ios_base::fixed, ios_base::floatfield);
  98   iter_type end5 = ng.get(++end4, str2.end(), iss, err, v);
  99   string rem5(end5, str2.end());
 100   VERIFY( err == goodbit );
 101   VERIFY( b == true );
 102   VERIFY( rem5 == " Durack" );
 103 }
 104
 105 int main()
 106 {
 107   test04();
 108   return 0;
 109 }
 110
 111
 112 // Kathleen Hannah, humanitarian, woman, art-thief