gomp-20050608-branch/libstdc++-v3/testsuite/22_locale/num_get/get/char/1.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // 22.2.2.1.1  num_get members
  24
  25 #include <locale>
  26 #include <sstream>
  27 #include <testsuite_hooks.h>
  28
  29 void test01()
  30 {
  31   using namespace std;
  32   typedef istreambuf_iterator<char> iterator_type;
  33
  34   bool test __attribute__((unused)) = true;
  35
  36   // basic construction
  37   locale loc_c = locale::classic();
  38   locale loc_de = locale("de_DE");
  39   VERIFY( loc_c != loc_de );
  40
  41   // sanity check the data is correct.
  42   const string empty;
  43
  44   bool b1 = true;
  45   bool b0 = false;
  46   unsigned long ul1 = 1294967294;
  47   unsigned long ul2 = 0;
  48   unsigned long ul;
  49   double d1 =  1.02345e+308;
  50   double d2 = 3.15e-308;
  51   double d;
  52   long double ld1 = 6.630025e+4;
  53   long double ld;
  54   void* v;
  55   const void* cv = &ul2;
  56
  57   // cache the num_get facet
  58   istringstream iss;
  59   iss.imbue(loc_de);
  60   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc());
  61   const ios_base::iostate goodbit = ios_base::goodbit;
  62   const ios_base::iostate eofbit = ios_base::eofbit;
  63   ios_base::iostate err = ios_base::goodbit;
  64
  65   // bool, simple
  66   iss.str("1");
  67   iterator_type os_it00 = iss.rdbuf();
  68   iterator_type os_it01 = ng.get(os_it00, 0, iss, err, b1);
  69   VERIFY( b1 == true );
  70   VERIFY( err & ios_base::eofbit );
  71
  72   iss.str("0");
  73   err = goodbit;
  74   ng.get(iss.rdbuf(), 0, iss, err, b0);
  75   VERIFY( b0 == false );
  76   VERIFY( err & eofbit );
  77
  78   // ... and one that does
  79   iss.imbue(loc_de);
  80   iss.str("1.294.967.294+++++++");
  81   iss.clear();
  82   iss.width(20);
  83   iss.setf(ios_base::left, ios_base::adjustfield);
  84   err = goodbit;
  85   ng.get(iss.rdbuf(), 0, iss, err, ul);
  86   VERIFY( ul == ul1 );
  87   VERIFY( err == goodbit );
  88
  89   iss.str("+1,02345e+308");
  90   iss.clear();
  91   iss.width(20);
  92   iss.setf(ios_base::right, ios_base::adjustfield);
  93   iss.setf(ios_base::scientific, ios_base::floatfield);
  94   err = goodbit;
  95   ng.get(iss.rdbuf(), 0, iss, err, d);
  96   VERIFY( d == d1 );
  97   VERIFY( err == eofbit );
  98
  99   iss.str("3,15E-308 ");
 100   iss.clear();
 101   iss.width(20);
 102   iss.precision(10);
 103   iss.setf(ios_base::right, ios_base::adjustfield);
 104   iss.setf(ios_base::scientific, ios_base::floatfield);
 105   iss.setf(ios_base::uppercase);
 106   err = goodbit;
 107   ng.get(iss.rdbuf(), 0, iss, err, d);
 108   VERIFY( d == d2 );
 109   VERIFY( err == goodbit );
 110
 111   // long double
 112   iss.str("6,630025e+4");
 113   iss.clear();
 114   err = goodbit;
 115   ng.get(iss.rdbuf(), 0, iss, err, ld);
 116   VERIFY( ld == ld1 );
 117   VERIFY( err == eofbit );
 118
 119   iss.str("0 ");
 120   iss.clear();
 121   iss.precision(0);
 122   iss.setf(ios_base::fixed, ios_base::floatfield);
 123   err = goodbit;
 124   ng.get(iss.rdbuf(), 0, iss, err, ld);
 125   VERIFY( ld == 0 );
 126   VERIFY( err == goodbit );
 127
 128   // const void
 129   iss.str("0xbffff74c,");
 130   iss.clear();
 131   err = goodbit;
 132   ng.get(iss.rdbuf(), 0, iss, err, v);
 133   VERIFY( &v != &cv );
 134   VERIFY( err == goodbit );
 135
 136 #ifdef _GLIBCXX_USE_LONG_LONG
 137   long long ll1 = 9223372036854775807LL;
 138   long long ll;
 139
 140   iss.str("9.223.372.036.854.775.807");
 141   iss.clear();
 142   err = goodbit;
 143   ng.get(iss.rdbuf(), 0, iss, err, ll);
 144   VERIFY( ll == ll1 );
 145   VERIFY( err == eofbit );
 146 #endif
 147 }
 148
 149 int main()
 150 {
 151   test01();
 152   return 0;
 153 }
 154
 155
 156 // Kathleen Hannah, humanitarian, woman, art-thief