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, 2006, 2007
   6 // Free Software Foundation
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 2, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING.  If not, write to the Free
  21 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22 // USA.
  23
  24 // 22.2.2.1.1  num_get members
  25
  26 #include <locale>
  27 #include <sstream>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   using namespace std;
  33   typedef istreambuf_iterator<char> iterator_type;
  34
  35   bool test __attribute__((unused)) = true;
  36
  37   // basic construction
  38   locale loc_c = locale::classic();
  39   locale loc_de = locale("de_DE");
  40   VERIFY( loc_c != loc_de );
  41
  42   // sanity check the data is correct.
  43   const string empty;
  44
  45   bool b1 = true;
  46   bool b0 = false;
  47   unsigned long ul1 = 1294967294;
  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 = 0;
  55
  56   // cache the num_get facet
  57   istringstream iss;
  58   iss.imbue(loc_de);
  59   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc());
  60   const ios_base::iostate goodbit = ios_base::goodbit;
  61   const ios_base::iostate eofbit = ios_base::eofbit;
  62   ios_base::iostate err = ios_base::goodbit;
  63
  64   // bool, simple
  65   iss.str("1");
  66   iterator_type os_it00 = iss.rdbuf();
  67   iterator_type os_it01 = ng.get(os_it00, 0, iss, err, b1);
  68   VERIFY( b1 == true );
  69   VERIFY( err & ios_base::eofbit );
  70
  71   iss.str("0");
  72   err = goodbit;
  73   ng.get(iss.rdbuf(), 0, iss, err, b0);
  74   VERIFY( b0 == false );
  75   VERIFY( err & eofbit );
  76
  77   // ... and one that does
  78   iss.imbue(loc_de);
  79   iss.str("1.294.967.294+++++++");
  80   iss.clear();
  81   iss.width(20);
  82   iss.setf(ios_base::left, ios_base::adjustfield);
  83   err = goodbit;
  84   ng.get(iss.rdbuf(), 0, iss, err, ul);
  85   VERIFY( ul == ul1 );
  86   VERIFY( err == goodbit );
  87
  88   iss.str("+1,02345e+308");
  89   iss.clear();
  90   iss.width(20);
  91   iss.setf(ios_base::right, ios_base::adjustfield);
  92   iss.setf(ios_base::scientific, ios_base::floatfield);
  93   err = goodbit;
  94   ng.get(iss.rdbuf(), 0, iss, err, d);
  95   VERIFY( d == d1 );
  96   VERIFY( err == eofbit );
  97
  98   iss.str("3,15E-308 ");
  99   iss.clear();
 100   iss.width(20);
 101   iss.precision(10);
 102   iss.setf(ios_base::right, ios_base::adjustfield);
 103   iss.setf(ios_base::scientific, ios_base::floatfield);
 104   iss.setf(ios_base::uppercase);
 105   err = goodbit;
 106   ng.get(iss.rdbuf(), 0, iss, err, d);
 107   VERIFY( d == d2 );
 108   VERIFY( err == goodbit );
 109
 110   // long double
 111   iss.str("6,630025e+4");
 112   iss.clear();
 113   err = goodbit;
 114   ng.get(iss.rdbuf(), 0, iss, err, ld);
 115   VERIFY( ld == ld1 );
 116   VERIFY( err == eofbit );
 117
 118   iss.str("0 ");
 119   iss.clear();
 120   iss.precision(0);
 121   iss.setf(ios_base::fixed, ios_base::floatfield);
 122   err = goodbit;
 123   ng.get(iss.rdbuf(), 0, iss, err, ld);
 124   VERIFY( ld == 0 );
 125   VERIFY( err == goodbit );
 126
 127   // void*
 128   iss.str("0xbffff74c,");
 129   iss.clear();
 130   err = goodbit;
 131   ng.get(iss.rdbuf(), 0, iss, err, v);
 132   VERIFY( v != 0 );
 133   VERIFY( err == goodbit );
 134
 135 #ifdef _GLIBCXX_USE_LONG_LONG
 136   long long ll1 = 9223372036854775807LL;
 137   long long ll;
 138
 139   iss.str("9.223.372.036.854.775.807");
 140   iss.clear();
 141   err = goodbit;
 142   ng.get(iss.rdbuf(), 0, iss, err, ll);
 143   VERIFY( ll == ll1 );
 144   VERIFY( err == eofbit );
 145 #endif
 146 }
 147
 148 int main()
 149 {
 150   test01();
 151   return 0;
 152 }
 153
 154
 155 // Kathleen Hannah, humanitarian, woman, art-thief