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

   1 // Copyright (C) 2003-2021 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   istringstream iss1, iss2;
  45   iss1.imbue(locale(iss1.getloc(), new Punct1));
  46   iss2.imbue(locale(iss2.getloc(), new Punct2));
  47   const num_get<char>& ng1 = use_facet<num_get<char> >(iss1.getloc());
  48   const num_get<char>& ng2 = use_facet<num_get<char> >(iss2.getloc());
  49
  50   ios_base::iostate err = ios_base::goodbit;
  51   iterator_type end;
  52   double d = 0.0;
  53   double d1 = 13.0;
  54   double d2 = 1.0;
  55   double d3 = 30.0;
  56   long l = 0l;
  57   long l1 = 13l;
  58   long l2 = 10l;
  59
  60   iss1.str("1234");
  61   err = ios_base::goodbit;
  62   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  63   VERIFY( err == ios_base::eofbit );
  64   VERIFY( d == d1 );
  65
  66   iss1.str("142");
  67   iss1.clear();
  68   err = ios_base::goodbit;
  69   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  70   VERIFY( err == ios_base::goodbit );
  71   VERIFY( d == d2 );
  72
  73   iss1.str("3e14");
  74   iss1.clear();
  75   err = ios_base::goodbit;
  76   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  77   VERIFY( err == ios_base::goodbit );
  78   VERIFY( d == d3 );
  79
  80   iss1.str("1234");
  81   iss1.clear();
  82   err = ios_base::goodbit;
  83   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
  84   VERIFY( err == ios_base::goodbit );
  85   VERIFY( l == l1 );
  86
  87   iss2.str("123");
  88   err = ios_base::goodbit;
  89   end = ng2.get(iss2.rdbuf(), 0, iss2, err, d);
  90   VERIFY( err == ios_base::eofbit );
  91   VERIFY( d == d1 );
  92
  93   iss2.str("120");
  94   iss2.clear();
  95   err = ios_base::goodbit;
  96   end = ng2.get(iss2.rdbuf(), 0, iss2, err, l);
  97   VERIFY( err == ios_base::eofbit );
  98   VERIFY( l == l2 );
  99 }
 100
 101 int main()
 102 {
 103   test01();
 104   return 0;
 105 }