libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/1.cc

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2001-2019 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 22.2.2.1.1  num_get members
  23
  24 #include <locale>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 void test01()
  29 {
  30   using namespace std;
  31   typedef istreambuf_iterator<wchar_t> iterator_type;
  32
  33   // basic construction
  34   locale loc_c = locale::classic();
  35   locale loc_de = locale(ISO_8859(15,de_DE));
  36   VERIFY( loc_c != loc_de );
  37
  38   // sanity check the data is correct.
  39   const wstring empty;
  40
  41   bool b1 = true;
  42   bool b0 = false;
  43   unsigned long ul1 = 1294967294;
  44   unsigned long ul;
  45   double d1 =  1.02345e+308;
  46   double d2 = 3.15e-308;
  47   double d;
  48   long double ld1 = 6.630025e+4;
  49   long double ld;
  50   void* v = 0;
  51
  52   // cache the num_get facet
  53   wistringstream iss;
  54   iss.imbue(loc_de);
  55   const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc());
  56   const ios_base::iostate goodbit = ios_base::goodbit;
  57   const ios_base::iostate eofbit = ios_base::eofbit;
  58   ios_base::iostate err = ios_base::goodbit;
  59
  60   // bool, simple
  61   iss.str(L"1");
  62   iterator_type os_it00 = iss.rdbuf();
  63   ng.get(os_it00, 0, iss, err, b1);
  64   VERIFY( b1 == true );
  65   VERIFY( err & ios_base::eofbit );
  66
  67   iss.str(L"0");
  68   err = goodbit;
  69   ng.get(iss.rdbuf(), 0, iss, err, b0);
  70   VERIFY( b0 == false );
  71   VERIFY( err & eofbit );
  72
  73   // ... and one that does
  74   iss.str(L"1.294.967.294+++++++");
  75   iss.clear();
  76   iss.width(20);
  77   iss.setf(ios_base::left, ios_base::adjustfield);
  78   err = goodbit;
  79   ng.get(iss.rdbuf(), 0, iss, err, ul);
  80   VERIFY( ul == ul1 );
  81   VERIFY( err == goodbit );
  82
  83   iss.str(L"+1,02345e+308");
  84   iss.clear();
  85   iss.width(20);
  86   iss.setf(ios_base::right, ios_base::adjustfield);
  87   iss.setf(ios_base::scientific, ios_base::floatfield);
  88   err = goodbit;
  89   ng.get(iss.rdbuf(), 0, iss, err, d);
  90   VERIFY( d == d1 );
  91   VERIFY( err == eofbit );
  92
  93   iss.str(L"3,15E-308 ");
  94   iss.clear();
  95   iss.width(20);
  96   iss.precision(10);
  97   iss.setf(ios_base::right, ios_base::adjustfield);
  98   iss.setf(ios_base::scientific, ios_base::floatfield);
  99   iss.setf(ios_base::uppercase);
 100   err = goodbit;
 101   ng.get(iss.rdbuf(), 0, iss, err, d);
 102   VERIFY( d == d2 );
 103   VERIFY( err == goodbit );
 104
 105   // long double
 106   iss.str(L"6,630025e+4");
 107   iss.clear();
 108   err = goodbit;
 109   ng.get(iss.rdbuf(), 0, iss, err, ld);
 110   VERIFY( ld == ld1 );
 111   VERIFY( err == eofbit );
 112
 113   iss.str(L"0 ");
 114   iss.clear();
 115   iss.precision(0);
 116   iss.setf(ios_base::fixed, ios_base::floatfield);
 117   err = goodbit;
 118   ng.get(iss.rdbuf(), 0, iss, err, ld);
 119   VERIFY( ld == 0 );
 120   VERIFY( err == goodbit );
 121
 122   // void*
 123   iss.str(L"0xbffff74c,");
 124   iss.clear();
 125   err = goodbit;
 126   ng.get(iss.rdbuf(), 0, iss, err, v);
 127   VERIFY( v != 0 );
 128   VERIFY( err == goodbit );
 129
 130 #ifdef _GLIBCXX_USE_LONG_LONG
 131   long long ll1 = 9223372036854775807LL;
 132   long long ll;
 133
 134   iss.str(L"9.223.372.036.854.775.807");
 135   iss.clear();
 136   err = goodbit;
 137   ng.get(iss.rdbuf(), 0, iss, err, ll);
 138   VERIFY( ll == ll1 );
 139   VERIFY( err == eofbit );
 140 #endif
 141 }
 142
 143 int main()
 144 {
 145   test01();
 146   return 0;
 147 }
 148
 149
 150 // Kathleen Hannah, humanitarian, woman, art-thief