libstdc++-v3/testsuite/22_locale/num_get/get/char/1.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 test01()
  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_de);
  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   // bool, simple
  79   iss.str("1");
  80   iterator_type os_it00 = iss.rdbuf();
  81   iterator_type os_it01 = ng.get(os_it00, 0, iss, err, b1);
  82   VERIFY( b1 == true );
  83   VERIFY( err & ios_base::eofbit );
  84
  85   iss.str("0");
  86   err = goodbit;
  87   ng.get(iss.rdbuf(), 0, iss, err, b0);
  88   VERIFY( b0 == false );
  89   VERIFY( err & eofbit );
  90
  91   // ... and one that does
  92   iss.imbue(loc_de);
  93   iss.str("1.294.967.294+++++++");
  94   iss.clear();
  95   iss.width(20);
  96   iss.setf(ios_base::left, ios_base::adjustfield);
  97   err = goodbit;
  98   ng.get(iss.rdbuf(), 0, iss, err, ul);
  99   VERIFY( ul == ul1 );
 100   VERIFY( err == goodbit );
 101
 102   iss.str("+1,02345e+308");
 103   iss.clear();
 104   iss.width(20);
 105   iss.setf(ios_base::right, ios_base::adjustfield);
 106   iss.setf(ios_base::scientific, ios_base::floatfield);
 107   err = goodbit;
 108   ng.get(iss.rdbuf(), 0, iss, err, d);
 109   VERIFY( d == d1 );
 110   VERIFY( err == eofbit );
 111
 112   iss.str("3,15E-308 ");
 113   iss.clear();
 114   iss.width(20);
 115   iss.precision(10);
 116   iss.setf(ios_base::right, ios_base::adjustfield);
 117   iss.setf(ios_base::scientific, ios_base::floatfield);
 118   iss.setf(ios_base::uppercase);
 119   err = goodbit;
 120   ng.get(iss.rdbuf(), 0, iss, err, d);
 121   VERIFY( d == d2 );
 122   VERIFY( err == goodbit );
 123
 124   // long double
 125   iss.str("6,630025e+4");
 126   iss.clear();
 127   err = goodbit;
 128   ng.get(iss.rdbuf(), 0, iss, err, ld);
 129   VERIFY( ld == ld1 );
 130   VERIFY( err == eofbit );
 131
 132   iss.str("0 ");
 133   iss.clear();
 134   iss.precision(0);
 135   iss.setf(ios_base::fixed, ios_base::floatfield);
 136   err = goodbit;
 137   ng.get(iss.rdbuf(), 0, iss, err, ld);
 138   VERIFY( ld == 0 );
 139   VERIFY( err == goodbit );
 140
 141   // const void
 142   iss.str("0xbffff74c,");
 143   iss.clear();
 144   err = goodbit;
 145   ng.get(iss.rdbuf(), 0, iss, err, v);
 146   VERIFY( &v != &cv );
 147   VERIFY( err == goodbit );
 148
 149 #ifdef _GLIBCPP_USE_LONG_LONG
 150   long long ll1 = 9223372036854775807LL;
 151   long long ll2 = -9223372036854775807LL;
 152   long long ll;
 153
 154   iss.str("9.223.372.036.854.775.807");
 155   iss.clear();
 156   err = goodbit;
 157   ng.get(iss.rdbuf(), 0, iss, err, ll);
 158   VERIFY( ll == ll1 );
 159   VERIFY( err == eofbit );
 160 #endif
 161 }
 162
 163 int main()
 164 {
 165   test01();
 166   return 0;
 167 }
 168
 169
 170 // Kathleen Hannah, humanitarian, woman, art-thief