libstdc++-v3/testsuite/22_locale/num_get/get/char/11.cc

   1 // Copyright (C) 2003-2013 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 22.2.2.1.1  num_get members
  19
  20 #include <locale>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 struct Punct1: std::numpunct<char>
  25 {
  26   std::string do_grouping() const { return "\1"; }
  27   char do_thousands_sep() const { return '2'; }
  28   char do_decimal_point() const { return '4'; }
  29 };
  30
  31 struct Punct2: std::numpunct<char>
  32 {
  33   std::string do_grouping() const { return "\1"; }
  34   char do_thousands_sep() const { return '2'; }
  35   char do_decimal_point() const { return '2'; }
  36 };
  37
  38 // http://gcc.gnu.org/ml/libstdc++/2003-12/msg00201.html
  39 void test01()
  40 {
  41   using namespace std;
  42   typedef istreambuf_iterator<char> iterator_type;
  43
  44   bool test __attribute__((unused)) = true;
  45
  46   istringstream iss1, iss2;
  47   iss1.imbue(locale(iss1.getloc(), new Punct1));
  48   iss2.imbue(locale(iss2.getloc(), new Punct2));
  49   const num_get<char>& ng1 = use_facet<num_get<char> >(iss1.getloc());
  50   const num_get<char>& ng2 = use_facet<num_get<char> >(iss2.getloc());
  51
  52   ios_base::iostate err = ios_base::goodbit;
  53   iterator_type end;
  54   double d = 0.0;
  55   double d1 = 13.0;
  56   double d2 = 1.0;
  57   double d3 = 30.0;
  58   long l = 0l;
  59   long l1 = 13l;
  60   long l2 = 10l;
  61
  62   iss1.str("1234");
  63   err = ios_base::goodbit;
  64   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  65   VERIFY( err == ios_base::eofbit );
  66   VERIFY( d == d1 );
  67
  68   iss1.str("142");
  69   iss1.clear();
  70   err = ios_base::goodbit;
  71   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  72   VERIFY( err == ios_base::goodbit );
  73   VERIFY( d == d2 );
  74
  75   iss1.str("3e14");
  76   iss1.clear();
  77   err = ios_base::goodbit;
  78   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  79   VERIFY( err == ios_base::goodbit );
  80   VERIFY( d == d3 );
  81
  82   iss1.str("1234");
  83   iss1.clear();
  84   err = ios_base::goodbit;
  85   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
  86   VERIFY( err == ios_base::goodbit );
  87   VERIFY( l == l1 );
  88
  89   iss2.str("123");
  90   err = ios_base::goodbit;
  91   end = ng2.get(iss2.rdbuf(), 0, iss2, err, d);
  92   VERIFY( err == ios_base::eofbit );
  93   VERIFY( d == d1 );
  94
  95   iss2.str("120");
  96   iss2.clear();
  97   err = ios_base::goodbit;
  98   end = ng2.get(iss2.rdbuf(), 0, iss2, err, l);
  99   VERIFY( err == ios_base::eofbit );
 100   VERIFY( l == l2 );
 101 }
 102
 103 int main()
 104 {
 105   test01();
 106   return 0;
 107 }